I remember looking out at the birdfeeder and seeing it crammed full of evening grosbeaks — large, black-and-yellow finches with large bills. They reminded me of big wasps, in a way. They would show up ...
A highly endangered rainbow-colored Australian finch is breaking all the rules when it comes to avian evolution, according to new research published today by scientists from CU Boulder, the Cornell ...
If you've ever seen an Australian finch, you know that it has a brightly colored red, orange, or yellow bill. But how and why do these birds develop one color over another? A new study has revealed ...
4monon MSN
Researchers discover genetic reason for the red, yellow and orange bills of Australian finches
When red-billed and yellow-billed finches mate, their offspring have orange bills. By studying the exact shade of orange in ...
Red Dominates Black: Agonistic Signalling among Head Morphs in the Colour Polymorphic Gouldian Finch
This is a preview. Log in through your library . Abstract Recent sexual selection studies on the evolution of bird colouration have mainly focused on signals with a high level of condition-dependent ...
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