Consistency in migration strategies and habitat preferences of brown skuas over two winters, a decade apart

APB Carneiro, Andrea Manica, Thomas Clay, JRD Silk, M King & RA Phillips
At-sea movements and activity patterns of brown skuas Stercorarius antarcticus lonnbergi from South Georgia were analysed in 2 winters, a decade apart, to examine the degree of consistency in migration strategies and habitat preferences during the non-breeding and pre-laying exodus periods. Oceanographic habitat preferences of tracked skuas were determined using a robust model accounting for availability. At the population level, brown skuas were broadly consistent in their choice of wintering areas and habitat preferences, although...
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