Peer-reviewed papers

*postdoc, **graduate student, ***undergraduate student


198. Custode, LB**, Pither, R, Moola, F & Norris, DR. 2023. A Canada-wide assessment of protected area connectivity. In press: Biological Conservation

197. Siemens, A***, Bogart, JP, Linton, JE & Norris, DR. 2023. Predicting the occurrence of an endangered salamander in a highly developed landscape. In press: Endangered Species Research

196. Van Drunen, S, Linton, JE, Bogart, JP  & Norris, DR. 2023. Environmental drivers of juvenile dispersal and adult non-breeding movements in Ambystoma salamanders. In press: Canadian Journal of Zoology

195. Burant, JB** & Norris, DR. 2023. Demographic signals of population decline and time to extinction in a seasonal, density-dependent model. In press: Theoretical Ecology

194. Fuirst, M**, Strickland, D, Freeman, NE**, Sutton, AO** & Norris, DR. 2023. Early-life sibling conflict in Canada jays has lifetime inclusive fitness consequences. Proceedings of the Royal Society, London: Biological Sciences 290:20221863. [PDF]

193. Heide, KT**, Friesen, LE, Martin, V, Cheskey, E, Cadman, M & Norris, DR. 2023. Before-and-after evidence that urbanization contributes to the decline of a migratory songbird. Avian Conservation & Ecology 18(1):15. [PDF]

192. Demarse, A**, Trendos, E**, Linton, JE, Flockhart, DTT, Brewster, A, Keyghobadi, N, Custode, L & Norris, DR. 2023. Phenology, population size, and factors influencing variation in density of an endangered butterfly, the Mottled Duskywing (Erynnis martialis). Endangered Species Research 50: 195–208. [PDF]

191. Reich, MS, Kindra, M, Dargent, F, Hu, L, Flockhart, DTT, Norris, DR, Kharouba, H, Talavera, G & Bataille, C. 2023. Metals and metal isotopes in insect wings: implications for diet, geolocations and pollution exposure. Frontiers in Ecology & Evolution 11:1085903. [PDF]


190. vanVliet, HEJ, Horn, LC, Norris, DR & Stutchbury, BJM. 2022. Migratory behavior of Ontario-breeding Savannah sparrows (Passerculus sandwichensis) revealed by automated radio-telemetry. Wilson Journal of Ornithology 134(4): 595–603.

189. Williams, H, Scharf, A, Ryba, A, Norris, DR, Mennill DJ, Newman, AEM, Doucet, S & Blackwood, J. 2022. Cumulative cultural evolution and mechanisms for cultural selection in wild bird songs. Nature Communications 13:4001. [PDF]

188. Kroeze, S, Brewster, A, Linton, JE, Norris, DR, Otis, G, Young, Y & Keyghobadi, N. 2022. Microsatellites for the at-risk Mottled Duskywing butterfly, Erynnis martialis. Conservation Genetics Resources 1:1. [PDF]

187. Van Drunen, SG, Linton, JE, Kuwahra, G & Norris, DR. 2022. Flower plantings promote pollinator abundance and native bee richness in Canadian agricultural landscapes. Journal of Insect Conservation 26:375-386. [PDF]

186. Hensel, ALJ, Dobney, S, Moran, IG, Thomas, IP, Burant, JB**, Woodworth, BK**, Doucet, SM, Newman, AEM, Norris, DR, Williams, H & Mennill, DJ. 2022. Passive acoustic monitoring provides predictable underestimates of population size and demographic rates in a wild bird. Ornithological Applications 124(3), duac018.

185. Meehan, TD, Sanders, SP, DeLuca, WV, Michel, NL, Grand, J, Deppe, JL, Jimenez, MF, Knight, EJ, Seavy, NE, Smith MA, Taylor, L, Witko, C, Akresh, ME, Barber, DR, Bayne, EM, Beasley, JC, Belant, JL, Bierregaard, RO, Bildstein, KL, Boves, TJ, Brzorad, JN, Campbell, SP, Celis, Murilla, A, Cooke, HA, Domenech, R, Goodrich, L, Gow, EA*, Haines, A, Hallworth, MT, Hill, JM, Holland, AE, Jennings, S, Kays, R, King, DT, MacKenzie, SA, Marra, PP, McCabe, RA, McFarland, KP, McGrady, MJ, Melcer Jr., R, Norris, DR, Norvell, RE, Rhodes Jr., OE, Rimmer, CC, Scarpignato, AL, Shreading, A, Watson, JL, Wilsey, C. 2022. Integrating data types to estimate spatial patterns of avian migration across the Western Hemisphere. Ecological Applications 32(7): e2679. [PDF]

184. Henault, J, Linton, JE, Norris, DR & Westwood, R. 2022. Egg laying behavior and larval-shelter-construction of the endangered Mottled Duskwing (Erynnis martialis). Journal of the Lepidopterists’ Society 76(1):43-55. 

183. Hensel, ALJ, Dobney, S, Doucet, SM, Norris, DR, Newman, AEM, Williams, H & Mennill, DJ. 2022. Microgeographic variation in bird song: Savannah Sparrows exhibit microdialects in an island population. Animal Behaviour 188:119-131. [PDF]

182. Clyde, HE**, Norris, DR, Lupton, E***, & Gow, EA*. 2022. Estimating habitat characteristics associated with the abundance of free-roaming cats across the annual cycle. In press: Wildlife Research

181. Fuirst, M**, McLeod, J***, & Norris, DR. 2022. Habitat preferences of adult Canada jays (Perisoreus canadensis) during the post-breeding period in Algonquin Park, Ontario. Canadian Journal of Zoology 100(6):355-262.

180. Jetz, W, Teritski, G, Kays, R, Mueller, U, Wikelski, M & 50 other authors. 2022. Biological earth observation with animal sensors. Trends in Ecology & Evolution 37(4):293-298.

179. Stevens, M & Norris, DR. 2022. A mixed methodology for evaluating use of evidence in conservation planning. Conservation Biology 36(4):e13876. 

178. Sorenson, MC*, Strickland, D, Freeman, NE**, Sutton, AO** & Norris, DR. 2022. Early-life experience shapes patterns of senescence in a food-caching passerine. Biology Letters 18(1):20210532.

177. Quarrell, NJ**, Strickland, D, & Norris, DR. 2022. Investigating the factors that set the lower elevation limit of Canada Jays (Perisoreous canadensis) on Vancouver Island. Canadian Journal of Zoology 100(1):64-76.

176. Burant, JB**, Heisey, EW***, Wheelwright, NT, Newman, AEM, Whelan, S**, Mennill, DJ, Doucet, SM, Mitchell, GW**, Woodworth, BK** & Norris, DR. 2022. Natal experience and pre-breeding environmental conditions affect lay date plasticity in Savannah sparrows. Ecology 103(2):e03575.

175. Brlik, V, Pipek, P, Brandis, K, Chernetsov, N, Costa, FJV, Herrera, LG, Kiat, Y, Lanctot, R, Marra, PP, Norris, DR, Nwaogu, CJ, Quillfeldt, P, Saalfeld, ST, Stricker, CA, Thomson, RL, Zhao, T & Prochazka, P. 2021. The reuse of avian samples: opportunities, pitfalls, and a solution. Ibis 164(1):343-349.


174. Fuirst, M**, Strickland, D & Norris, DR. 2022. Patterns and causes of breeding dispersal in a declining population of Canada Jays (Perisoreus canadensis) over 55 years. Animal Behviour 182:31-84.

173. Bayly, NJ, Norris, DR, Taylor, PD, Rosenberg, KV & Hobson, KA. 2022. Rapid recovery by fat- and muscle-depleted Blackpoll Warblers following trans-oceanic migration is driven by time-minimization. In press: Ornithology 138(4):ukab05.

172. Reich, MS, Flockhart, DTT, Norris, DR, Hu, L & Bataille, C. 2021. Continuous-surface geographic assignment of migratory insects using strontium isotopes: a case study with monarch butterflies. Methods in Ecology & Evolution 12(12):2445-2457.

171. Wilcox, AE**, Newman, AEM, Raine, NE, Mitchell, GW & Norris, DR. 2021. Captive-reared migratory monarch butterflies show natural orientation when released in the wild: reply to Davis (2021). Conservation Physiology 9(1):coab064.

170. Grahame, ERM**, Martin, KD***, Gow, EA* & Norris, DR. 2021. Diurnal and nocturnal habitat preference of Eastern Whip-poor-wills (Antrostomus vociferous) in the northern portion of their breeding range. Avian Conservation & Ecology 16(2):14.

169. Fuirst, M**, Strickland, D & Norris, DR. 2021. Breeding dispersal can lead to short- and long-term fitness benefits in a boreal passerine. Ecosphere 12(9): e03747.

168. Custode, L***, Guzzo, MM, Bush, N, Ewing, C, Procko, M, Knight, SM, Rousseau-Clair, M-M & Norris, DR. 2021. Canadian private protected areas are located in regions of higher vertebrate species richness than government-protected areas. Facets 6(1):1323-1336.

167. Freeman, NE**, Norris, DR, Sutton, AO**, Strickland, D & Newman, AEM. 2021. Early-life corticosterone and body condition influence social status and survival in Canada jays. Integrative and Comparative Biology 61(1):9-19.

166. Thomas, IP, Doucet, SM, Norris, DR, Newman, AEM, Williams, H & Mennill, DJ. 2021. Choice and consequence in avian vocal learning: acoustic similarity to neighbours shapes selective attrition and territorial aggression in Savannah sparrows. Animal Behaviour 176:77-86.

165. Knight, SM, Flockhart DTT*, Derbyshire, R, Bosco, MG*** & Norris, DR. 2021. Experimental field evidence shows milkweed contaminated with a common neonicotinoid decreases the survival of monarch butterflies. Journal of Animal Ecology 90(7)1742-1752.

164. Wilcox, AE**, Newman, AEM, Raine, NE, Mitchell, GW & Norris, DR. 2021. Captive-reared migratory monarch butterflies show natural orientation when released in the wild. Conservation Physiology 9(1):coab032.

163. Burant, JB**, Park, C***, Betini, GS* & Norris, DR. 2021. Early warning indicators of population collapse in a seasonal environment. Journal of Animal Ecology 90(6):1538-1549.

162. Wilcox, AE**, Newman, AEM & Norris, DR. 2021. Developmental and reproductive effects of neonicotinoid exposure in monarch butterflies (Danaus plexippus). Canadian Entomologist 153(3):327-342.

161. Wilcox, AE**, Newman, AEM, Raine, NE, Mitchell, GW & Norris, DR. 2021. Effects of early-life exposure to sublethal levels of a common neonicotinoid on the orientation and migration of monarch butterflies (Danaus plexippus). Journal of Experimental Biology 224(4).


160. Freeman, NE**, Newman, AEM, Sutton, AO**, Kyser TK & Norris, DR. 2021. Causes and consequences of variation in diet composition of nestling Canada Jays. Journal of Avian Biology 52(1):e02623.

159. Sutton, AO**, Strickland, D, Freeman, NK** & Norris, DR. 2021. Climate-driven carry-over effects negatively influence population growth in a food-caching boreal passerine. Global Change Biology 27(5):983-992.

158. Sutton, AO**, Strickland, D, Freeman, NK** & Norris, DR. 2021. Environmental conditions modulate the compensatory effects of site-dependence in a food-caching passerine. Ecology 102(1): e03203.

157. Van Drunen, S**, Linton, JE, Bogart, JP & Norris, DR. 2021. Post-emergence survival and dispersal of juvenile Jefferson salamander (Ambystoma jeffersonianum) and their unisexual dependants. Amphibia-Reptilia 42(1):29-41.


156. Burant, JB**, Griffin, A***, Betini, GS & Norris, DR. 2020. An experimental test of the ecological mechanisms driving density-mediated carry-over effects in a seasonal population. Canadian Journal of Zoology 98(7):425-432

155. Grant, TJ, Flockhart, DTT, Blader, TR, Hellmich, RL, Pitman, GM**, Tyner, S, Norris, DR & Bradbury, SP. 2020. Estimating arthropod survival probability from field counts: a case study with monarch butterflies. Ecosphere 11(4):e03082.

154. Cooke, SJ, Nguyen, VM, Anastakis, D, Scott, SD, Turetsky, MR, Amirfazli, A, Hearn, A, Milton, C, Loewen, L, Smith, EE, Norris, DR, Lavoie, KL, Aiken, A, Ansari, D, Antle, AN, Babel, M, Bailey, J, Bernstein, DM, Birnbaum, R, Bourassa, C, Calcagno, A, Campana, A, Chen, B, Collins, K, Connelly, CE, Denov, M, Dupont, B, George, E, Gregory-Eaves, I, High, S, Hill, JM, Jackson, PL, Jette, N, Jurdjevic, M, Kothari, A, Khairy, P, Lamoureux, SA, Ladner, K, Landry, CR, Legare, F, Lehoux, N, Leuprecht, C, Lieverse, AR, Luczak, Mallory, ML, Manning, E, Mazalek, A, Murray, SJ, Newman, LL, Ooterveld, V, Potwin, P, Reimer-Kirkham, S, Roswell, J, Stacey, D, Tighe, SL, Vocadlo, DJ, Wilson, AE & Woolford, A. 2020. Perspectives on interdisciplinarity from members of the Canadian College of New Scholars, Artists, and Scientists. Facets 5(1):138-165.

153. Birnie-Gauvin, K, Lennox, RL, Gugliemo, CG, Teffer, AK, Crossin, GT, Norris, DR, Aarestrup, K & Cooke, SJ. 2020. The value of experimental approaches in migration biology.Physiological and Biochemical Zoology 93(3):210-226.

152. Bayly, NJ, Norris, DR, Taylor, PD, Hobson, KA, Morales,-Rozo, AM. 2020. There’s no place like home – a tropical overwintering site fuels half the spring migration of blackpoll warblers. Animal Behaviour 162:95-104.

151. Van Drunen, S**, Linton, JE, Bogart, JP, McCarter, J, Fotherby, H, Sandilands, A & Norris, DR. 2020. Estimating critical habitat based on year-round movements of the endangered Jefferson salamander (Ambystoma jeffersonianum) and their unisexual dependents. Canadian Journal of Zoology 98(2):117-126.

150. Freeman. NE**, Norris, DR, Sutton, AO** & Newman AEM. 2020. Raising young with limited resources: supplementation improves body condition and advances fledging date of Canada Jays. Ecology 101(1):e02909. [PDF]

149. vanVliet, HEJ., Stutchbury, BJM, Newman, AEM & Norris, DR. 2020. The impacts of agricultural intensification on an obligate grassland bird of North America. Agriculture, Ecosystems & Environment 287:106696. [PDF]

148. Brlik, V, Kolecek, J, Burgess, M, Hahn, S, Humple, D, Krist, M, Ouwehand, J, Weiser, EL, Adamik, P, Alves, JA, Arit, D, Barisic, S, Becker, D, Belda, EJ, Both, C, Bravo, SP, Briedis, M, Chutny, B, Cikovic, D, Cooper, NW, Costa, JS, Cueto, VR, Emmenegger, T, Fraser, K, Gilg, O, Guerrero, M, Hallworth, MT, Hewson, C, Jiguet, F, Johnson, JA, Kelly, T, Kishkinev, D, Leconte, M, Lislevand, T, Lisovski, S, Lopez, C, McFarland, KP, Marra, PP, Matsuoka, SM, Matyjasiak, P, Meier, CM, Metzger, B, Monros, JS, Neumann, R, Newman, AEM, Norris, DR, Part, T, Pavel, V, Perlut, N, Piha, M, Reneerkens, J, Takenaka, M, Tolkmitt, D, van Oosten, H, Wellbrock, AHJ, Wheeler, H, van der Winden, J, Witte, K, Woodworth, BK** & Prochazka, P. 2020. Weak effects of geolocators on small birds: a meta-analysis controlled for phylogeny and publication bias.  Journal of Animal Ecology 89(1): 207-220. [PDF]

147. Kilgour, RJ**, Norris, DR & McAdam. 2019. Carry-over effects of resource competition and social environment on aggression. Behavioural Ecology 31(1):140-151. [PDF]


146. Burant, JB**, Betini, GS & Norris, DR. 2019. Simple signals indicate which period of the annual cycle drives declines in seasonal populations. Ecology Letters 22(12): 2141-2150. [PDF]

145. Gow, EA*, Knight, SM, Bradley, DW*, Clark, RG, Winkler, DW, Belise, M, Berzins, L, Blake, T, Bridge, ES, Burke, L, Dawson, RD, Dunn, PO, Garant, D, Holroyd, G, Hussell, DJT, Lansdorp, O, Laughlin, AJ, Leonard, ML, Pelletier, F, Shutler, D, Siefferman, L, Taylor, CM, Trefry, H, Vleck, CM, Vleck, D, Whittingham, LA, & Norris, DR. 2019. Effects of spring migration distance on tree swallow reproductive success within and between flyways. Frontiers in Ecology & Evolution 7:art380. [PDF]

144. Mennill, DJ, Doucet, SM, Newman, AEM, Williams, H, Moran, IG, Thomas, IP, Woodworth, BK**, Bormais, M & Norris, DR. 2019. Social eavesdropping on adult vocal interactions does not enhance juvenile song learning: a playback experiment on a wild songbird population. Animal Behaviour 155:67-75.

143. Moran, IG, Lukianchuk, KC, Doucet, SM, Newman, AEM, Williams, H, Norris, DR & Mennill, DJ. 2019. Diel and seasonal patterns of variation in the singing behavior of Savannah sparrows (Passerculus sandwichensis). Avian Research 10:26. [PDF]

142. Ralston, J, Lorenc, L, Montes, M, DeLuca, WV, Kirchman, JJ, Woodworth, BK**, MacKenzie, SA, Newman, AEM, Cooke, H, Freeman, NE**, Sutton, AO**, Tauzer, L & Norris, DR. 2019. Length polymorphisms at two candidate genes explain variation in migratory behaviors of blackpoll warblers. Ecology & Evolution 9(15):8840-8855. [PDF]

141. Knight, SM, Pitman, GM**, Flockhart, DTT* & Norris, DR. 2019. Radio-tracking reveals how wind and temperature influence the pace of insect migration. Biology Letters 15:20190327. [PDF]

140. Knight, SM, Norris, DR, Derbyshire, R, Flockhart, DTT*. 2019. Strategic mowing of roadside milkweeds increases monarch butterfly oviposition. Global Ecology & Conservation 19:e00678. [PDF]

139. Flockhart, DTT*, Larrivee, M, Prudic, KL & Norris, DR. 2019. Estimating the annual distribution of monarch butterflies in Canada over 16 years using citizen science data. Facets 4:238-253.  [PDF]

138. Knight, SM**, Gow, EA*, Bradley, DW*, Clark, RG, Belise, M, Berzins, L, Blake, T, Bridge, ES, Burke, L, Dawson, RD, Dunn, PO, Garant, D, Holroyd, G, Hussell, DJT, Lansdorp, O, Laughlin, AJ, Leonard, ML, Pelletier, F, Shutler, D, Siefferman, L, Taylor, CM, Trefry, H, Vleck, CM, Vleck, D, Whittingham, LA, Winkler, DW & Norris, DR. 2019. Non-breeding season movements of a migratory songbird are related to declines in resource availability. The Auk: Ornithological Advances 136(3): ukz028. [PDF]

137. Sutton, AO**, Strickland, D, Freeman, NE**, Newman, AEM & Norris, DR. 2019. Fall freeze-thaw events carry over to depress late-winter reproductive performance in Canada Jays. Royal Society, Open Science 6:181754. [PDF]

136. Derbyshire, R**, Norris, DR, Hobson KA & Strickland, D. 2019. Isotopic spiking and food dye experiments provide evidence that Canada Jay nestlings receive cached food from their parents. Canadian Journal of Zoology 97:368-375. [PDF]

135. Wilcox, AE**, Flockhart, DTT, Newman AEM & Norris, DR. 2019. An evaluation of studies on the potential threats contributing to the decline of eastern migratory North American monarch butterflies (Danaus plexippus). Frontiers in Ecology & Evolution 7:art99. [PDF]

134. DeLuca, WV, Woodworth, BK**, Mackenzie, SA, Newman, AEM, Cooke, H, Phillips, LM, Freeman, NE**, Sutton, AO**, Tauzer, L, McIntyre, C, Stenhouse, I, Weidensaul, S, Taylor, PD & Norris, DR. 2019. A boreal songbird’s 20,000 km migration across North America and the Atlantic Ocean. Ecology 100(5):e02651. [PDF]

133. Flockhart, DTT*, Acron, JH, Hobson, KA & Norris, DR. 2019. Documenting successful recruitment of monarch butterflies at the extreme northern edge of their range. Canadian Entomologist 151(1): 49-57. [PDF]

132. Gow, EA*, Burke, L, Winkler, DW, Knight, SM**, Bradley, DW*, Clark, RG, Belise, M, Berzins, L, Blake, T, Bridge, ES, Dawson, RD, Dunn, PO, Garant, D, Holroyd, G, Hussell, DJT, Lansdorp, O, Laughlin, AJ, Leonard, ML, Pelletier, F, Shutler, D, Siefferman, L, Taylor, CM, Trefry, H, Vleck, CM, Vleck, D, Whittingham, LA & Norris, DR. 2019. A range-wide domino effect and resetting of the annual cycle in a migratory songbird. Proceedings of the Royal Society, London: Biological Sciences 286: 20181916. [PDF]

131. Williams, H, Robbins, CW, Norris, DR, Newman, AEM, Freeman-Gallant, CR, Wheelwright, NT & Mennill, DJ. 2019. The buzz segment of savannah sparrow song is a population marker. Journal of Ornithology 160: 217-227. [PDF]


130. Vander Zanden, HB, Chaffe, CL, Gonzalez-Rodriquez, A, Flockhart, DTT*, Norris, DR & Wayne, ML. 2018. Alternate migration strategies of eastern monarch butterflies revealed by stable isotopes. Animal Migration 5: 74-83. [PDF]

129. Hobson, KA, Norris, DR, Kardynal, KJ, Yohannes, E. 2018. Animal migration: a context for using new techniques and approaches. Pages 1-23 In: Tracking Animal Migration using Stable Isotopes, 2nd Edition (Eds. KA Hobson & LI Wassenaar). Elsevier, New York.

128. Wunder, MB & Norris, DR. 2018. Design and analysis of isotope-based studies of migratory animals. Pages 191-206 In: Tracking Animal Migration using Stable Isotopes, 2nd Edition (Eds. KA Hobson & LI Wassenaar). Elsevier, New York.

127. Mennill, DJ, Doucet, SM, Newman, AEM, Williams, H, Moran, I, Woodworth, BK**, Thomas, I & Norris, DR. 2018. Wild birds learn songs from experimental vocal tutors. Current Biology 28: 3273-3278. [PDF]

*See also “Dispatches” article: Podos, J. 2018. Animal Behaviour: Song learning out of the box. Current Biology 28: R1190-R1211. [PDF] 


126. Satterfield, DA, Maerz, JC, Hunter, MD, Flockhart DTT*, Hobson, KA, Norris, DR, Streit, H, de Roode, J, Altizer, S. 2018. Migratory monarchs that encounter resident monarchs show life-history changes and higher rates of parasite infection. Ecology Letters 21(11): 1670-1680. [PDF]

125. Moran, I, Doucet, SM, Newman, AEM, Norris, DR & Mennill, DJ. 2018. Quiet violence: Savannah sparrows respond to playback-simulated rivals using soft songs as aggressive signals. Ethology 124(10): 724-732. [PDF]

124. Woodworth, BK**, Norris, DR, Graham, BA, Kahn, ZA & Mennill, DJ. 2018. Hot temperatures during the dry season reduce the survival of a resident tropical bird. Proceedings of the Royal Society, London: Biological Sciences 285: 20180176. [PDF]

123. Knight, SM**, Bradley, DW*, Clark, RG, Gow, EA*, Belise, M, Berzins, L, Blake, T, Bridge, ES, Burke, L, Dawson, RD, Dunn, PO, Garant, D, Holroyd, G, Hussell, DJT, Lansdorp, O, Laughlin, AJ, Leonard, ML, Pelletier, F, Shutler, D, Siefferman, L, Taylor, CM, Trefry, H, Vleck, CM, Vleck, D, Winkler, DW, Whittingham, LA & Norris, DR. 2018. Constructing and evaluating a continent-wide migratory songbird network across the annual cycle. Ecological Monographs 88(3): 445-460. [PDF]

122. Kilgour, RJ**, McAdam, AG, Betini, GS, Norris, DR. 2018. Experimental evidence that density mediates negative frequency-dependent selection on aggression. Journal of Animal Ecology 87(4):  1091-1101. [PDF]

121. Sample, C, Frxyell, JM, Bieri, J, Federico, P, Earl, J, Wiederholt, R, Mattsson, BJ, Flockhart, DTT*, Nicol, S, Diffendorfer, JE, Thogmartin, WE, Erickson & Norris, DR. 2018. A general modeling framework for describing spatio-temporal population dynamics. Ecology & Evolution 8: 493-508. [PDF]

120. Pitman, G**, Flockhart, DTT* & Norris, DR. 2018. Patterns and causes of oviposition in monarch butterflies: implications for milkweed restoration. Biological Conservation 217: 54-65. [PDF]

119. Flockhart, DTT*, Dabydeen, A***, Satterfield, D, Hobson, KA, Wassenaar, LI & Norris, DR. 2018. Patterns of parasitism in monarch butterflies during the breeding season in eastern North America. Ecological Entomology 43: 28-36. [PDF]

118. Earl, JE, Nicol, S, Weinderholt, R, Diffendorfer, JE, Semmens, D, Flockhart, DTT*, Mattson, BJ, McCracken, G, Norris, DR, Rodriquez-McGoffin, MS, Thogmartin, WE & Lopez-Hoffman, L. 2018. Quantitative tools for implementing the new “significant portion of the range” definition for the Endangered Species Act. Conservation Biology 32: 35-49. [PDF]

117. Erickson, RA, Diffendorfer, JE, Norris, DR, Bieri, JA, Earl, JE, Federico, P, Fryxell, JM, Long, KR, Mattsson, BJ, Sample, C, Wiederholt, R & Thogmartin, WE. 2018. Defining and classifying migratory habitats as sources and sinks: the migratory pathway approach. Journal of Applied Ecology 55: 108-117. [PDF]

116. Weinderholt, R, Mattson, BJ, Thogmartin, WE, Runge, MC, Diffendorfer, JE, Erickson, RA, Federico, P, Lopez-Hoffman, L, Fryxell, JM, Norris, DR & Sample, C. 2018. Estimating the per-capita contribution of habitats and pathways in a migratory network: a modeling approach. Ecography 45: 815-824. [PDF]


115. Woodworth, BK**, Wheelwright, NT, Newman, AEM, & Norris, DR. 2017. Local density regulates songbird reproductive success through effects on double-brooding and nest predation. Ecology 98: 2039-2048. [PDF]

114. Elliott, KH*, Betini, GS* & Norris, DR. 2017. Fear creates an Allee effect: experimental evidence from seasonal populations. Proceedings of the Royal Society, London: Biological Sciences 284: 20170878. [PDF]

113. Newman, AEM, Hess, H*, Woodworth, BK* & Norris, DR. 2017. Time as a tyrant: the minute, hour and day make a difference for corticosterone concentrations in wild nestlings. General & Comparative Endocrinology 250: 80-84. [PDF]

112. Gomez, C, Bayly, N, Norris, DR, McKenzie, SA, Taylor, PD, Hobson, KA, Rosenberg, KV & Cadena, CD. 2017. Fuel loads acquired at a single stopover site carry over to influence the pace of intercontinental migration in a boreal songbird. Scientific Reports 7: 3405. [PDF]

111. Taylor, PD, Crewe, TL, Mackenzie, SA, Lepage, D, Crysler, Z, Guglielmo, CG, Hamilton, DJ, Holberton, RL, Loring, PH, Norris, DR, Paquet, J, Ronconi, RA, Smetzer, J, Welch, L & Woodworth, BK**. 2017. The Motus Wildlife Tracking System: A collaborative research network to enhance the understanding of wildlife movement. Avian Conservation & Ecology 12(1): 8. [PDF]

110. Flockhart, DTT*, Fitz-gerald, B***, Brower, LP, Derbyshire, R, Hobson, KA, Wassenaar, LI, Altizer, S & Norris, DR. 2017. Migration distance as a selective episode for wing morphology in a migratory insect. Movement Ecology 5: 7. [PDF]

109. Elliott, KH*, Norris, DR, Betini, GS & Dworkin, I. 2017. Scared fitless: context-dependent response of fear to loss of predators over evolutionary time. Facets 2: 342-354. [PDF]

108. Whelan, S**, Strickland, D, Morand-Ferron, J & Norris, DR. 2017. Reduced reproductive performance associated with warmer ambient temperatures during incubation in a winter-breeding, food-storing passerine. Ecology & Evolution 00: 1-8. [PDF]

107. Woodworth, BK**, Wheelwright, NT, Newman, AEM, Schaub, M & Norris, DR. 2017. Winter temperatures limit population growth rate of a migratory songbird. Nature Communications 8: 14812. [PDF]

106. Betini, GS*, McAdam, AG, Griswold, CK & Norris, DR. 2017. A fitness trade-off between seasons causes multigenerational cycles in phenotype and population size. eLife 6: e18770. [PDF]

105. Flockhart, DTT*, Brower, LP, Ramirez, MI, Hobson, KA, Wassenaar, LI, Altizer, S & Norris, DR. 2017. Regional climate on the breeding grounds predicts variation in the natal origin of monarch butterflies overwintering in Mexico over 38 years. Global Change Biology 23: 2565-2576. [PDF]



104. Sutton, AO**, Strickland, D & Norris, DR. 2016. Food storage in a changing world: implications of climate change for food-caching species. Climate Change Responses 3: 12. [PDF]

103. Kishkinev, D*, Heyers, D, Woodworth, BK**, Mitchell, GW, Hobson, KA & Norris, DR. 2016. Experienced migratory songbirds do not display goal-ward orientation after release following a cross-continental displacement: an automated telemetry study. Scientific Reports 6: 37336. [PDF]

102. Handrigan, SA, Shummer, ML, Petrie, SA & Norris, DR. 2016. Range expansion and migration of Trumpeter swans Cygnus bicolour re-introduced in southwest and central Ontario. Wildfowl 66: 60-74. [PDF]

101. Flockhart, DTT*, Norris, DR & Coe, J. 2016. Predicting free-roaming cat density in urban areas. Animal Conservation 19: 472-483. [PDF]

100. Whelan, S**, Strickland, D, Morand-Ferron, J & Norris, DR. 2016. Male experience buffers female laying date plasticity in a winter-breeding, food-storing passerine. Animal Behaviour 121: 61-70. [PDF]

99. Knight, S** & Norris, DR. 2016. Light-logging archival geolocators: opening the door to a new era of songbird migration science. Ontario Birds 34: 134-139. [PDF]

98. Nicol, S, Wiederholt, R, Diffendorfer, JE, Mattson, BJ, Thogmartin, WE, Semmens, D, Lopez-Hoffman,L & Norris, DR. 2016. A management-oriented framework for selecting metrics used to assess habitat- and path-specific quality in spatially structured populations. Ecological Indicators 69:792-802. [PDF]

97. Bairlein, F, Norris, DR, Voight, C, Dunn, EH & Hussell, DJT. 2016. Using stable-hydrogen isotopes to reveal immigration in an Arctic-breeding songbird population. Movement Ecology 4: 16. [PDF]

96. Woodworth, BK**, Newman, AEM, Turbek, SP***, Dossman, BC***, Hobson, KA, Wassenaar, LI, Mitchell, GW**, Wheelwright, NT & Norris, DR. 2016. Differential migration and the link between winter latitude, timing of migration and breeding in a songbird. Oecologia 181: 413-422. [PDF]

95. Pakkala, JJ**, Norris, DR, Sedinger, JS & Newman, AEM. 2016. Experimental effects of early-life corticosterone on the HPA axis and pre-migratory behaviour in a wild songbird. Functional Ecology 30: 1149-1160. [PDF]

94. Dossman, B, Mitchell, GW*, Norris, DR, Taylor, PD, Guglielmo, CG, Matthews, SN & Rodewald, PG. 2016. The effects of wind and fuel stores on the stopover departure behaviour across a migratory barrier. Behavioral Ecology 27: 567-574. [PDF]

93. Elliott, KH*, Betini, GS*, Dworkin, I & Norris, DR. 2016. Experimental evidence for within- and cross-seasonal effects of fear on survival and reproduction. Journal of Animal Ecology 85: 507-515. [PDF]


92. Betini, GS*, Pardy, A***, Griswold, CK & Norris, DR. 2015. Causes and consequences of density-dependent dispersal: the role of seasonality and carry-over effects. Ecosphere 6(12): art 272. [PDF]

91. Derbyshire, R**, Strickland, D & Norris, DR. 2015. Experimental evidence and 43 years of monitoring data support the food limitation hypothesis in a boreal food-caching songbird. Ecology  96: 3005-3015. [PDF]

90. Strickland, D & Norris, DR. 2015. An example of phenotypic adherence to the island rule? – Anticosti gray jays are heavier but not structurally larger than mainland conspecifics. Ecology & Evolution5:3687-3694.[PDF]

89. Mitchell, GW**, Woodworth, BK**, Taylor, PD & Norris, DR. 2015. Automated telemetry reveals age specific differences in flight duration and groundspeed are driven by wind conditions. Movement Ecology 3: 19. [PDF] 

88. Sechley, TH**, Strickland, D & Norris, DR. 2015. Linking the availability of cached food to climate change: an experimental test of the hoard-rot hypothesis. Canadian Journal of Zoology 93: 411-419. [PDF]

87. Flockhart, DTT*, Kyser, TK, Chipley, D, Miller, N** & Norris, DR. 2015. Experimental evidence shows no fractionation of strontium isotopes (87Sr/86Sr) among soil, plants, and herbivores: implications for tracking wildlife and forensic science. Isotopes in Environmental & Health Studies 51(3): 372-381. [PDF]

86. Betini, GS*, Fitzpatrick, MJ & Norris, DR. 2015. Experimental evidence for the effects of habitat loss on the dynamics of migratory networks. Ecology Letters 18: 526-534. [PDF]

85. Fairhurst, G, Berzins, LL, Bradley, DW*, Romano, A, Romano, M, Ambrosini, R, Dawson, RD, Dunn, PO, Hobson, KA, Liechti, F, Marchant, TA, Norris, DR, Rubolini, D, Saino, N, Shutler, D, Whittingham, LA & Clark RG. 2015. Assessing costs of carrying geolocators using feather corticosterone in two species of aerial insectivore. Royal Society Open Science 2: 150004. [PDF]

84. DeLuca, WV, Woodworth, BK**, Rimmer, C, Taylor, PD, Marra, PP, McFarland, K, Mackenzie, SA & Norris, DR. 2015. Transoceanic migration by a 12g songbird. Biology Letters 11: 20141045.[PDF]

83. Woodworth, BK**, Mitchell, GW**, Norris, DR, Francis, CM & Taylor, PD. 2015. Patterns and correlates of songbird movements at an ecological barrier assessed using landscape- and regional-scale automated radio-telemetry. Ibis 157: 326-339 [PDF]

82. Flockhart, DTT**, Pichancourt, JB, Norris, DR & Martin TG. 2015. Unravelling the annual cycle in a migratory animal: breeding-season habitat loss drives declines of monarch butterflies. Journal of Animal Ecology 84: 155-165. [PDF]


81. Bradley DW*, Clark RG, Dunn, PO, Laughlin, AJ, Taylor, CM, Vleck, C, Whittingham, L & Norris, DR. 2014. Trans-Gulf of Mexico loop migration of Tree swallows revealed by solar geolocation. Current Zoology 60: 653-659. [PDF]

80. Betini, GS**, Griswold, CG, Prodan, L & Norris, DR. 2014. Body size, carry-over effects, and survival in a seasonal environment: consequences for population dynamics. Journal of Animal Ecology 83: 1313-1321. [PDF]

79. O’Conner, CM, Norris, DR, Crossin, GT & Cooke, SJ. 2014. Biological carry-over effects: linking comment concepts and mechanisms in ecology and evolution. Ecosphere 5(3): art28 [PDF]

78. Sechley, TH**, Strickland, D & Norris, DR. 2014. Causes and consequences of pre-laying weight gain in a food-caching bird that breeds in the late winter. Journal of Avian Biology 45: 85-93. [PDF]

77. Gomez, J, Michelson, CI, Bradley, DW*, Norris, DR, Berzins, L, Dawson, RD & Clark RG. 2014. Effects of geolocators on reproductive performance and annual return rates of a migratory songbird. Journal of Ornithology 155: 37-44. [PDF]


76. Flockhart, DTT**, Wassenaar, LI, Hobson, KA, Martin, TG, Wunder, MB & Norris, DR. 2013. Tracking multi-generational colonization of the breeding grounds by monarch butterflies in eastern North America. Proceedings of the Royal Society, London: Biological Sciences 280 (1768). [PDF]

75. Betini, GS**, Griswold, CG & Norris, DR. 2013. Density-mediated carry-over effects explain variation in breeding output across time in a seasonal population. Biology Letters 9(5): 20130582. [PDF]

74. Norris, DR, Flockhart, DTT** & Strickland, D. 2013. Contrasting patterns of survival and dispersal in multiple habitats reveals an ecological trap in a food-caching bird. Oecologia 173: 827-835. [PDF]

73. Hanley, D*, Miller, N**, Flockhart, DTT** & Norris, DR. 2013. Forewing pigmentation predicts migration distance in wild-caught migratory monarch butterflies. Behavioural Ecology 24: 1108-1113. [PDF]

72. Laughlin, A, Taylor, CM, Bradley, DW*, LeClair, D**, Whittingham, L, Dunn, PO, Horn, A, Leonard, M, Shutler, D, Dawson, R, Clark, RG, Sheldon, DR, Winkler, DW, & Norris, DR. 2013. Integrating information from geolocators, weather radar and citizen science data to confirm a key stopover area during fall migration for an aerial insectivore. The Auk 150: 230-239. [PDF]

71. Mouritsen, H, Derbyshire, R***, Stakkeicken, J, Frost, B, Mouritsen, O & Norris, DR. 2013. An experimental displacement and over 50 years of tagged-recoveries show that monarch butterflies are not true navigators. Proceedings of the National Academy of Sciences, USA 110(18): 7348-7353. [PDF] See also Mouritsen et al. PNAS Letter to the Editor[PDF]

70. Betini, GS**, Griswold, CG & Norris, DR. 2013. Carry-over effects, sequential density dependence and the dynamics of populations in a seasonal environment. Proceedings of the Royal Society, London: Biological Sciences 280: 20130110. [PDF]

69. Williams, H, Levin, I, Norris, DR, Newman, AEM & Wheelwright, NT. 2013. Three decades of cultural evolution in Savannah sparrow song. Animal Behaviour 85: 213-223. [PDF]

68. Pakkala, J***, Norris, DR & Newman, AEM. 2013. An experimental test of the capture-restraint protocol for estimating the acute stress response. Physiological & Biochemical Zoology 86: 279-284. [PDF].


67. Flockhart, DTT**, Martin, TG, & Norris, DR. 2012. Experimental examination of intraspecific density-dependent competition during the breeding period in Monarch butterflies (Danaus plexippus). Public Library of Science, One 7(9): e45080. [PDF]

66. Shutler, D, Hussell, DJT, Norris, DR, Winkler, DW, Robertson, RJ, Bonier, F, Rendell, W, Belisle, M, Clark, RG, Dawson, RD, Wheelwright, NT, Lombardo, MP, Truan, MA, Leonard, ML, Horn, AG, Vleck, CM, Vleck, D, Whittingham, LA, Dunn, PO, Hobson, KA, Stanback, MT & Rose, AP. 2012. Spatiotemporal patterns in nest box occupancy by Tree swallows across North America. Avian Conservation & Ecology 7(1): 3 [HTML] [PDF]

65. Storm-Suke, A**, Wassenaar, LI, Nol, E & Norris, DR. 2012. The influence of metabolic rate on the contribution of stable-hydrogen and -oxygen isotopes in drinking water to Quail blood plasma and feathers. Functional Ecology 26: 1111-1119. [PDF]

64. Storm-Suke, A**, Norris, DR, Wassenaar, LI, Chin, E & Nol, E. 2012. Factors influencing the turnover and net isotopic discrimination of hydrogen isotopes in proteinaceous tissue: experimental results using Japanese quail. Physiological & Biochemical Zoology 85: 376-384. [PDF]

63. Mitchell, GW**, Newman, AEM, Wikelski, M & Norris, DR. 2012. Timing of breeding carries over to influence migratory departure in a songbird: an automated radiotracking study. Journal of Animal Ecology 81: 1024-1033. [PDF]

  • click here to see Journal of Animal Ecology featured youtube video of this paper!

62. Miller, NG**, Wassenaar, LI, Hobson, KA & Norris, DR. 2012. Migratory connectivity in the Monarch butterfly: patterns of spring re-colonization in eastern North America. Public Library of Science, One 3: e39891. [PDF]

61. Franks, SE, Norris, DR, Kyser, TK, Fernandez, GJ, Schwarz, B, Carmona, R, Colwell, MA, Correa Sandoval, J, Dondua, A, Gates, HR, Hasse, B, Hodkinson, DJ, Jiminez, A, Lanctot, RB, Ortego, B, Sandercock, BK, Sanders, F, Takekawa, JY, Warnock, N, Ydenberg, RC & Lank, DB. 2012. Range-wide patterns of migratory connectivity in the Western Sandpiper. Journal of Avian Biology 43: 155-167. [PDF]

60. Bairlein, F, Norris, DR, Nagel, R, Butle, M., Voigt, CC, Fox, JW, Hussell, DJT & Schmaljohann, H. 2012. Cross-hemisphere migration of a 25-gram songbird. Biology Letters 8: 505-507. [PDF]

59. Mitchell, GW**, Guglielmo, CG, Wheelwright, NT & Norris, DR. 2012. Short- and long-term costs of reproduction in a migratory songbird. Ibis 154: 325-337 [PDF]

58. Wheelwright, NT, Graf, ES & Norris DR. 2012. Consistency in the size, shape, and colouration of Savannah Sparrow eggs within and between breeding seasons. Condor 114: 412-420. [PDF]

57. Betini, GS** & Norris, DR. 2012. The relationship between personality and plasticity in Tree swallow aggression and the consequences for reproductive success. Animal Behaviour 83: 137-143. [PDF]


56. Mitchell, GW**, Guglielmo, CG, Wheelwright, NT, Freeman-Gallant, CR & Norris, DR. 2011. Early life events carry-over to influence pre-migratory condition in a free-living songbird. Public Library of Science, One 6(12): e28838. [PDF]

55. Griswold, CG, Taylor, CM, & Norris, DR. 2011. The equilibrium population size of a partially migratory species and its response to environmental change. Oikos 120: 1847-1859. [PDF]

54. Strickland, D, Kielstra, B*** & Norris, DR. 2011. Experimental evidence for a  novel mechanism driving variation in habitat quality in a food caching bird. Oecologia 167: 943-950. [PDF]

  • click here to read story on this paper in the UK Guardian

53. Janssen, MH**,  Arcese, P, Kyser, TK, Bertram, DF & Norris, DR. 2011. Stable isotopes reveal strategic allocation of resources during juvenile development in a cryptic and threatened seabird, the Marbled murrelet. Canadian Journal of Zoology  89: 859-868. [PDF]

52. Boyle, WA*, Guglielmo, CG, Hobson, KA & Norris, DR. 2011. Lekking birds in a tropical forest forego sex for migration. Biology Letters 7: 661-663. [PDF]

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51. Sheehy, J**, Taylor, CM & Norris, DR. 2011. The importance of stopover habitat for developing effective conservation strategies in migratory animals. Journal of Ornithology 152(S1): S161-S168. [PDF]

*special issue on 100th Anniversary of the Institute of Avian Research

50. Harrison, XA, Blount, JD, Inger, R, Norris, DR, Bearhop, S. 2011. Carry-over effects as drivers of fitness differences in animals. Journal of Animal Ecology 80: 4-18. [PDF]

49. Miller, NG**, Wassenaar, LI, Hobson, KA & Norris, DR. 2011. Monarch butterflies cross the Appalachians from the west to re-colonize eastern North America. Biology Letters 7: 43-46. [PDF]


48. Imlay TI, Crowley, JF, Argue, AM, Steiner, JC, Norris, DR & Stutchbury, BJM. 2010. Survival, dispersal and early migration movements of captive-bred juvenile eastern loggerhead shrikes. Biological Conservation 143: 2578-2582. [PDF]

47. Griswold, CG, Taylor, CM & Norris, DR. 2010. The evolution of migration in a seasonal environment. Proceedings of the Royal Society, London: Biological Sciences 277: 2711-2720. [PDF]

46. Sheehy, J**, Taylor, CM, McCann, KS & Norris, DR. 2010. Optimal conservation of migratory animals: integrating demographic information across seasons. Conservation Letters 3: 192-202. [PDF]

45. Boyle, WA*, Norris, DR & Guglielmo, CG. 2010. Storms drive altitudinal migration in a tropical bird. Proceedings of the Royal Society, London: Biological Sciences 277:2511-2519. [PDF]

  • click here to listen to CBC Quirks & Quarks interview about this paper!
  • click here to see article in Science Now

44. Gutowsky, SE***, Janssen, MH** & Norris DR. 2010. The partial prebasic I molt of marbled murrelets. Northwestern Naturalist 91:333-336. [PDF]

43. Taylor, CM & Norris, DR. 2010. Population dynamics in migratory networks. Theoretical Ecology 3: 65-73. [PDF]

42. Sorenson, MC**, Hipfner, JM, Kyser, TK & Norris, DR. 2010. Pre-breeding diet quality influences ornament size in the Rhinoceros auklet. Ibis 152: 29-37. [PDF]


41. Gutowsky, SE***, Janssen, MH**, Arcese, P, Kyser, TK, Ethier, D***, Wunder, MB, Bertram, DF, McFarlane Tranquilla, L, Loughheed, C & Norris, DR. 2009. Concurrent declines in nestling diet quality and reproductive success in a threatened seabird over 150 years. Endangered Species Research 9: 247-254. [PDF]

40. Norris, DR, Kleven, O, Johnsen, A. & Kyser, TK. 2009. Melanin-based plumage and moulting latitude in a migratory songbird. Ethology 115: 1009-1014. [PDF]

39. Rae, L***, Mitchell, GW**, Guglielmo, CG, Mauck, R & Norris, DR. 2009. Radio transmitters do not affect the body condition of Savannah sparrows during the fall pre-migratory period. Journal of Field Ornithology 80: 434-441. [PDF]

38. Janssen, MH**, Arcese, P, Kyser, TK, Bertram, DF, Williams, TD, McFarlane-Tranquilla, L & Norris, DR. 2009. Pre-breeding diet quality and timing of breeding in a threatened seabird, the Marbled murrelet. Marine Ornithology 37: 33-40. [PDF]

37. Betini, GS**, Hobson, KA, Wassenaar, L & Norris, DR. 2009. Stable-hydrogen isotope values in songbird nestlings: effects of temperature, body size, and diet. Canadian Journal of Zoology  87: 767-772. [PDF]

36. Sellick, MJ**, Kyser, TK, Wunder, MB, Chipley, D & Norris, DR. 2009. Geographic variation in strontium and hydrogen isotopes in avian tissues: implications for tracking migration. Public Library of Science, One 4(3): e4735. [PDF]

35. Sorenson, MC**, Hipfner, JM, Kyser, TK & Norris, DR. 2009. Carry-over effects in a Pacific seabird: stable isotope evidence that non-breeding diet quality influences reproductive success. Journal of Animal Ecology 78: 460-467.[PDF]

34. Franks, SE, Lank, D, Norris, DR, Taylor, CM & Kyser TK. 2009. Stable isotope analysis discriminates age classes of Western, Least, and Semipalmated Sandpipers when plumage methods are unreliable. Journal of Field Ornithology 80: 51-63. [PDF]


33. Wunder, MB & Norris DR. 2008. Improved estimates of certainty in stable isotope based geographic assignments for tracking migratory animals. Ecological Applications 18: 549-559. [PDF].

32. Jones, J, Norris, DR, Girvan, MK, Barg, JJ, Kyser, TK & Robertson, RJ. 2008. Migratory connectivity and population trend in a vulnerable songbird. Condor 110: 538-544. [PDF]

31. Wunder, MB & Norris, DR. 2008. Analysis and design of isotope-based studies of migratory animals. Pages 107-128 In: Tracking Animal Migration using Stable Isotopes (Eds. KA Hobson & LI Wassenaar). Elsevier, New York.

30. Hobson, KA & Norris, DR. 2008. Animal migration: a context for using new techniques and approaches. Pages 1-20 In: Tracking Animal Migration using Stable Isotopes  (Eds. KA Hobson & LI Wassenaar). Elsevier, New York.

29. Kelly, JF, Bearhop, S, Bowen, GJ, Hobson, K, Norris, DR, Wassenaar, LI, West, J, Wunder, MB. 2008. Future directions and challenges for using stable isotopes in advancing terrestrial animal migration research. Pages 129-140 In: Tracking Animal Migration using Stable Isotopes (Eds. KA Hobson & LI Wassenaar). Elsevier, New York.

28. Durrant, KL, Marra, PP, Colbeck, GJ, Gibbs, HL, Hobson, KA, Norris DR, Bernik, B, Lloyd, VL, & Fleischer, RC. 2008. Parasite assemblages distinguish populations of a migratory passerine on its breeding grounds. Journal of Zoology 274: 318-326. [PDF]


27. Wilson, S, Norris, DR, Wilson, A & Arcese, P. 2007. Experience and density affect the ability of a temperate songbird to respond to future variation in climate. Proceedings of the Royal Society, London: Biological Sciences 274: 2669-2675.[PDF]

26. Martin, TG, Chades, I, Arcese, P, Marra, PP, Possingham, HP & Norris DR. 2007. Optimal conservation of migratory species. Public Library of Science, One 2(8): e751. [PDF]

25. Taylor, CM & Norris, DR. 2007. Predicting conditions for migration: effects of density-dependence and habitat quality. Biology Letters 3: 280-283. [PDF]

24. Norris, DR, Arcese, P, Preikshot, D, Bertram, DF & Kyser, TK. 2007. Diet reconstruction and historic population dynamics in a threatened seabird. Journal of Applied Ecology 44: 875-884. [PDF]

  • click here here to listen to CBC Quirks & Quarks interview about this paper!

23. Norris, DR, Marra, PP, Ratcliffe, LM, Kyser, TK & Montgomerie, R.  2007. Continent-wide variation in feather colour of a migratory  songbird in relation to body condition and moulting locality. Biology Letters 3: 16-19. [PDF]

22. Norris, DR & Marra, PP. 2007. Seasonal interactions, habitat quality and population dynamics in migratory birds. Condor 109: 535-547. [PDF]

21. Langin, KM, Reudink, MW, Marra, PP, Norris, DR, Kyser, TK & Ratcliffe, LM. 2007. Hydrogen isotopic composition of known-origin migratory birds: implications for geographic assignment. Oecologia 152: 449-457. [PDF]

20. Girvan, MK, Jones, J, Norris, DR, Barg, JJ, Kyser, TK & Robertson, RJ. 2007. Long-distance dispersal patterns of male Cerulean Warblers (Dendroica cerulean) measured by stable-hydrogen isotopes. Avian Conservation & Ecology 2(2): 3. [PDF]

19. Norris, DR, Lank, DB, Pither, J, Chipley, D, Ydenberg, RC & Kyser, TK. 2007. Trace elements identify wintering populations of a migratory shorebird. Canadian Journal of Zoology 85: 579-583. [PDF]


18. Norris, DR & Taylor, CM. 2006. Predicting the consequences of carry-over effects in migratory animals. Biology Letters 2: 148-151. [PDF]

17. Marra, PP, Norris, DR, Haig, SM, Webster, MS & Royle, JA. 2006. Migratory connectivity. Pages 157-183 In: Connectivity Conservation (Eds. KR Crooks & M Sanjayan), Cambridge University Press, New York.

16. Boulet, M & Norris, DR. 2006. The present and past of migratory connectivity. Ornithological Monographs 61: 1-13. [PDF]

15. Norris, DR, Wunder, MB & Boulet, M. 2006. Perspectives on migratory connectivity. Ornithological Monographs 61: 79-88. [PDF]

14. Norris, DR, Marra, PP, Bowen, GJ, Ratcliffe, LM, Royle, JA & Kyser, TK. 2006. Migratory connectivity of a widely distributed Nearctic-Neotropical songbird, the American redstart. Ornithological Monographs 61: 14-28. [PDF]

13. Langin, KM, Norris, DR, Kyser, TK, Marra, PP & Ratcliffe, LM. 2006. Capital versus income breeding in a migratory passerine bird: evidence from stable isotopes. Canadian Journal of Zoology 84: 947-953. [PDF]


12. Stutchbury, BJM, Norris, DR, Pitcher, TE, Tuttle, EM & Gonsar, RE. 2005. Off-territory forays and their relation to extra-pair fertilization success. Journal of Avian Biology 36: 471-477. [PDF]

11. Norris, DR. 2005. Carry-over effects and habitat quality in migratory animals. Oikos 109: 178-186. [PDF]

10. Norris, DR, Marra, PP, Kyser, TK & Ratcliffe, LM. 2005. Tracking habitat use in a long-distance migratory bird using stable-carbon isotopes in blood. Journal of Avian Biology 36: 164-170. [PDF]

9. Norris, DR, Marra, PP, Kyser, TK, Montgomerie, R & Ratcliffe, LM. 2004. Reproductive effort, molting latitude and feather color in a migratory songbird. Science 306: 1249-1250. [PDF]

8. Norris, DR, Marra, PP, Kyser, TK, Sherry, TW & Ratcliffe, LM. 2004. Tropical winter habitat limits reproductive success on the temperate breeding grounds in a migratory bird. Proceedings of the Royal Society, London: Biological Sciences 271: 59-64. [PDF]

  • click here to listen to CBC Quirks & Quarks interview about this paper!

7. Norris, DR & Stutchbury, BJM. 2002. Sexual differences in the gap-crossing ability of a forest songbird in a fragmented landscape revealed through radiotracking. The Auk 119: 528-532. [PDF]

6. Fedy, BC, Norris, DR & Stutchbury, BJM. 2002. Do male Hooded warblers guard their mates when their paternity is most at risk? Journal of Field Ornithology 73: 420-426. [PDF]

5. Buehler, DM, Norris, DR, Stutchbury, BJM & Kopysh, NK. 2002. Food supply and parental feeding rates of Hooded Warblers in forest fragments. Wilson Bulletin 114: 122-127. [PDF]

4. Norris, DR, Theberge, JB & Theberge, MT. 2002. Forest composition around of Wolf dens in eastern Algonquin Provincial Park, Ontario. Canadian Journal of Zoology 80: 866-872. [PDF]

3. Norris, DR & Stutchbury, BJM. 2001. Extra-territorial movements of a forest songbird in a fragmented landscape. Conservation Biology 15: 729-736. [PDF]

2. Norris, DR, Stutchbury, BJM. & Pitcher, T.E. 2000. The spatial response of male Hooded Warblers to edges in isolated fragments. Condor 102: 595-600. [PDF]

1. Cook, SJ, Norris, DR & Theberge, JB. 1999. Winter spatial dynamics of a migratory Wolf population in South-central Ontario, 1990-1995. Canadian Journal of Zoology 77: 1740-1750. [PDF]

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