A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.

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 ...

In September, as summer yields to fall, most of the colorful birds that breed in our region during spring and summer head south for warmer locales. The departure of ruby-throated hummingbirds, ...

Out of the thousands of bird species worldwide, the finch is just one of them, and its subspecies are found across the globe. In North America alone, there are 17 subspecies of finch, including the ...

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 ...

I think there is no better way to start a column about purple finches than to quote Roger Tory Peterson’s description of this bird, he called them “sparrows dipped in raspberry juice.” I saw my first ...

The typically streaked brownish plumage of fledglings of many species of Passerine birds makes it difficult to discriminate the sexes. Here discriminant analysis on a set of plumage color and ...

Driven south due to a poor conifer crop up north, evening grosbeaks, redpolls and bohemian waxwings will be looking for food ...