Either taking it easy or feeling too tired: old Cory?s Shearwaters display reduced activity levels while at sea

• Published in: Journal of Ornithology
• Language: English
• Published: Springer-Verlag 2011
• Subjects: Calonectris diomedea; Senescence; Age; Long-lived bird; Selvagem; Alte; Alten; Antarctic; Ramos; Rua; Antarc*; British Antarctic Survey
• Online Access: http://hdl.handle.net/2262/61011; https://doi.org/10.1007/s10336-010-0616-7

Abstract It has long been known that birds change their behaviour, reproductive performance and survival as they mature, including in the first few years after recruitment into the breeding population. However, and contrasting with the description of patterns of actuarial and reproductive senescence...