In the new study, the researchers compared the genome sequences of yellow and red canaries to red siskins in search of the gene responsible for the birds' color differences. Their search led them ...

Hill said that if the bird has any red feathers on its body at all, then it’s not a yellow cardinal, as the mutation makes those birds incapable of having feathers that color. “There’s no ...

Learn what a yellow-headed blackbird looks like and where to find this bird. Also discover facts about their sounds, nests, ...

"There are probably a million bird feeding stations in that area so very very roughly, yellow cardinals are a one in a million mutation." Photo of a yellow cardinal on a fence post in Alabama, Ala.

Two teams of researchers have independently identified a gene-encoded enzyme that converts yellow pigments obtained from the diet into red pigments, which birds use to color their feathers, bills ...

Most birds with bright yellow or red feathers — think goldfinches and cardinals — use pigments ... "So now we know definitely a little bit more about how one of the most colorful groups of ...

These birds normally have red beaks, but some have yellow ones. As Mundy’s team discovered, that’s likely because of mutations in CYP2J19 that stop the gene from activating in the beak.

In the spring and summer, bright yellow-and-black American goldfinches are impossible to miss. To attract more goldfinches, offer thistle feeders. These small backyard birds also love to dine on ...

Catch the movement of a bird in a woodland canopy, a fallow field or at the summer feeder and chances are good that its identity can be told by the presence of yellow in its dress — either ov… ...

Many types of birds (eat its dark red to deep purple fruits. The fruits look like big berries, but they’re actually small cherries with pits and minimal flesh.

The gorgeous, bright lemon yellow Prothonotary Warbler is a little larger than its cousin and forages along the ground, hopping between branches and twigs to search for food.They’re stunning to ...