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Electrocardiogram recordings in free-ranging gannets reveal minimum difference in heart rate during flapping versus gliding flight

Archive ouverte | Ropert‐coudert, Yan | CCSD

International audience. Buoyancy is a major determinant of locomotory cost in diving animals. As seabirds have a large amount of air in their feathers and respiratory system, they should work hard against buoyancy t...

Using behavioural and state variables to identify proximate causes of population change in a seabird.

Archive ouverte | Lewis, S. | CCSD

Changes in animal population size are driven by the interactions between intrinsic processes and extrinsic forces, and identifying the proximate mechanisms behind population change remains a fundamental question in ecology. Here w...

On a wing and a prayer: the foraging ecology of breeding Cape cormorants

Archive ouverte | Ryan, P.G. | CCSD

International audience. The Cape cormorant Phalacrocorax capensis is unusual among cormorants in using aerial searching to locate patchily distributed pelagic schooling fish. It feeds up to 80km offshore, often roos...

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