From helping them find mates to bettering their ability to camouflage, marks on animals and birds serve various purposes.

These are special lakes, providing a habitat for migrating waterfowl, including the mysterious common loon with its deep red eye, black head, black-and-white patterned neck and back, and white ...

The woodpigeon is mostly grey with a white patch on its neck. You're most likely to spot this bird on the ground underneath bird feeders, picking up dropped seeds! A large black and white bird.

When Jay Falk and Scott Taylor first saw the white-necked Jacobin hummingbird chick in Panama’s dense rainforest, the bird biologists didn’t know what they were looking at. The day-old bird, smaller ...

Cattle egrets are known for being “gregarious,” and experts believe they “pick attached ticks from grazing animals” as they ride, according to Birds of North America. The egrets grow up to ...