A few things you ought to know about purple finches: They’re not really purple, they’re easily confused with another, colorful type of finch, and they’re hard to find. This time o… ...

“Orange County seems to be the epicenter for these birds, though they are widespread,” Willick said. These small, chestnut or reddish-brown finches from Asia have dark heads and thick bills.

When red-billed and yellow-billed finches mate, their offspring have orange bills. By studying the exact shade of orange in ...

Birds categorize colors just like humans do Zebra finches perceive only red or orange, even when the truth falls somewhere in between Date: August 1, 2018 ...