The Biology of Moult in Birds by Lukas Jenni;Raffael Winkler;

Author:Lukas Jenni;Raffael Winkler;
Language: eng
Format: epub
ISBN: 9781472977236
Publisher: Bloomsbury UK
Published: 2020-07-15T00:00:00+00:00

Fig. 114. Male Eurasian Blue Tits Cyanistes caeruleus held from the beginning of their post-juvenile moult under a rapidly decreasing photoperiod (8 min per day) moulted their body-feathers more rapidly (in 58 days) than conspecifics held under a slowly decreasing photoperiod (2 min per day; 83 days). This accelerated moult strongly reduced the UV reflectance (mean ± SE) of the blue crown feathers, and total reflectance and yellow saturation of the yellow breast feathers. Redrawn from Griggio et al. (2009b) with permission from Wiley.

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