Conspicuous, ultraviolet-rich mouth colours in begging chicks
Hunt, Sarah; Kilner, Rebecca; Langmore, Naomi; Bennett, Andrew TD
Description
There is as yet no clear consensus on the function of vivid mouth colours in begging chicks. A major obstacle to our understanding has been that no studies have measured gape colours independently of human colour perception. Here, we present the first study, to our knowledge, to use UV-VIS spectrometry to quantify the gape colour, background nest colour and nest light environment of eight European passerines. Both mouths and the surrounding flanges show striking and previously unreported peaks...[Show more]
Collections | ANU Research Publications |
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Date published: | 2003 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/75430 |
Source: | Proceedings of the Royal Society of London Series B: Biological Sciences |
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