The delayed effect of climatic conditions on pre‐fledging nestling haematocrit in a suboscine species in Patagonia

• Published in: Journal of Avian Biology
• Main Authors: Joseph E. Churchill, Martje L. M. Birker, Maaike Versteegh, Tomás A. Altamirano, Rodrigo A. Vásquez, Jan Komdeur
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2023
• Subjects: climate breakdown; environmental change; haematocrit; nestlings; precipitation; temperature; Biology (General); QH301-705.5; General. Including nature conservation; geographical distribution; QH1-199.5; Antarctic; Lower Post; Patagonia; Antarc*
• Online Access: https://doi.org/10.1111/jav.03056; https://doaj.org/article/e26ba29ab7f7496895b3e87edca015ea

Haematocrit, the proportion of blood comprising erythrocytes, is often used as a proxy of individual condition. Nestling haematocrit is influenced by several factors but ambient temperature is generally agreed as a key driver. It is unclear which day(s) in embryonic or nestling development are most...