Identifying and locating carotenoids in supra‐orbital combs of male black grouse (Lyurus tetrix) using Raman and transmission electron microscopy: A histological study using rehydrated tissue samples
Jessica L. Dobson,
Thomas W. Pike,
Jose Gonzalez‐Rodriguez
et al.
Abstract:Colourful signals have long been implicated as indicators of individual quality in animals. Bare‐skin signals are an understudied aspect of avian colouration compared with plumage studies, despite displaying rapid changes in size and colour in response to different environmental or physiological stressors. Even fewer studies have focused on the underlying histology of these structures and the importance this plays in the resulting skin colour. Using the Black Grouse (Lyrurus tetrix), we identified the underlyi… Show more
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