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

Once in the water, the birds use their webbed feet to aid swimming. Red-footed boobies appear in a variety of color morphs but, of course, all have feet of the distinctive red color which gives ...

The red buckeye’s showy, red flowers are blooming in the wild now beneath forest canopies in Georgia’s Piedmont and Coastal Plain regions. The plant, typically a small shrub, also has been widely ...

Red-tailed hawks are known for their brick-colored tails, but there are more than a dozen subspecies of various colorations, and not all of them have this characteristic. These birds of prey are ...