An ant that disappears into the forest floor, a bird that demands attention from mates—for these animals, an inky black ...

Black and white coloration is visually striking. A deep contrast in colors can draw the eye and make birds and other animals stand out. But sometimes, it helps them blend in. Birds can be black ...

“I thought it was A.I.,” says fish biologist Kory Evans. Black seadevil anglerfish (Melanocetus johnsonii) are deep-sea creatures that have rarely been spotted swimming in the wild. Their name ...