Carotenoids are the underlying pigment for much of the enormous variety in color found across birds and form the basis for the colors red, yellow, and orange. In a study published in Current Biology, ...

There appears to be an underlying selection mechanism at work among Gouldian finches -- a mechanism that allows this species to produce and maintain individuals with red heads, black heads, and yellow ...

If you have a bird feeder in the continental United States, you have almost certainly been visited by house finches. On both sides of the Mississippi their hungry flocks coat feeders like displays of ...

April 23 (UPI) --The heads of Gouldian finches feature one of three different colors: yellow, red and black. Now, scientists know why the pressures of natural selection have failed to erase the ...

House finches are the perfect urban bird. They would willingly trade an empty lot filled with grasses and bushes and trees for a nice new house with a bird feeder. They are fond (understatement) of ...

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 ...

This is a tale of two finches — actually two different finch species — and the American redbud. There’s a certain time of year when the native redbud is blooming, with its tiny pink flowers in ...