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 ...

but purple finches have more color, described by Roger Tory Peterson as a “sparrow dipped in raspberry juice,” via All About ...

Gouldian finches are one of Australia’s most colorful birds, squeezing bright blue, green, yellow, and purple onto their small bodies. Living in open, tropical woodland that is threatened by ...

There are now at least 13 species of finches on the Galapagos Islands ... from an original paucity of birds in this archipelago, one species had been taken and modified for different ends." ...

“When there is not enough food, or when crops get depleted through the winter, these birds will migrate (or irrupt) outside of their usual wintering grounds and into the Great Lakes region, including ...