Eric Heisey

Undergraduate Thesis Student (2019-Present)

Studies that examine plastic variation in lay date in response to a changing climate in birds are in short supply as a long-term dataset is required to analyze this interaction. Of these, most studies have focused on long-distance migrants and resident species that nest in boxes. Savannah Sparrows (Passerculus sandwichensis), a ground-nesting, short-distance migrant therefore present an opportunity to further our knowledge of plastic response. Further, it is important to understand how plastic response affects fitness. My honors thesis aims to examine how pre-breeding temperature affects lay date plasticity and the effects of plasticity on individual fitness in Savannah Sparrows using a long-term study population on Kent Island, New Brunswick.

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