Brad assembling an automated radio telemetry tower

For his MSc, Brad tracked songbirds at stopover sites and during migration using a series of automated VHF radio telemetry towers. Birds were affixed with a small (<1g) transmitter and the towers picked up these signals as birds passed through the area. Combined with information on the condition of birds at capture and prevailing weather conditions, this allowed Brad to examine movement patterns and understand the factors that influenced when birds decided to stopover and refuel.

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