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Article
Svana Rogalla, Auteur ; Matthew D. Shawkey, Auteur ; Liliana D'Alba, AuteurPlumage coloration can have substantial effects on a bird's energy budget. This is because different colours reflect and absorb light differently, affecting the heat loads acquired from solar radiation. We examine the thermal effects of feather [...]
Article
Svana Rogalla, Auteur ; Michaël P. J. Nicolaï, Auteur ; Viki Vandomme, Auteur ; Robin Teifel, Auteur ; Susana Clusella-Trullas, Auteur ; Liliana D’Alba, Auteur ; Matthew D. Shawkey, AuteurNest care and brooding in sunbirds (Nectariniidae) is thought to be performed exclusively by females. Here, we provide the first evidence that male sunbirds might help with brooding. During a ringing session in Hoekwil, South Africa, we observed[...]
Article
Svana Rogalla, Auteur ; Juan Arizaga, AuteurDuring migration, birds often need to gain large fuel loads, especially if they must cross large geographic bafflers with poor or absent fuelling opportunities. The Willow Warbler is a songbird associated with woodland that also opportunisticall[...]
