Birds are some of the most colorful and ... The Tooth-Billed Pigeon has a weird-looking, bright-red beak with tooth-like protrusions on the lower mandible. Sometimes referred to as a Little ...

In Alaska during the mid-1990s, bird experts noticed an uptick in overgrown, warped beaks among black-capped chickadees. Now, using high-throughput RNA sequencing, researchers at the University of ...

Under these drastically changing conditions, the struggle to survive favored the larger birds with deep, strong beaks for opening the hard seeds. Smaller finches with less-powerful beaks perished.

By Brenden Bobby Reader Columnist Birds are fairly odd creatures, but among the odd are the oddest — strange and wacky evolutions that perfectly suit their ecological niche while appearing alien and ...

"Longipteryx is one of my favorite fossil birds, because it's just so weird— it has this long skull, and teeth only at the tip of its beak," says Jingmai O'Connor, associate curator of fossil ...