You probably know what a cardinal looks like, but we bet you've never seen a "leucistic bird." If you haven't heard the term, you're not alone. This rare mutation "results in a total or partial ...

Everybody knows about the bird. Don't you know about the bird? The bright yellow cardinal in Alabama has attracted national attention and a large ornithological following online. "From what I hear, a ...

Thanks to the developmental fusion of male-female bird twins into one individual, this northern cardinal is half red and half tan -- split lengthwise down its middle -- and is half male and half ...

This bi-colored northern cardinal has female plumage on its right, and male plumage on its left. Called a “gynandromorph,” these animals are rare in nature. Rarer still is the chance to study one for ...

Correction: Poison ivy berries are green when immature and yellowish-white when ripe. This article incorrectly described their color. LITTLE ROCK — Every schoolchild knows the red, red cardinal, but ...

Everybody knows about the bird. Don't you know about the bird? The bright yellow cardinal in Alabama has attracted national attention and a large ornithological following online. "From what I hear, a ...

Everybody knows about the bird. Don't you know about the bird? The bright yellow cardinal in Alabama has attracted national attention and a large ornithological following online. "From what I hear, a ...