In the avian world, birds showcase an incredible diversity of beaks—some enormous, others unusually long, and some even lethal. All hornbill species have a unique structure called a casque on ...

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 ...

"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 ...

A newly studied Vegavis iaai skull from Antarctica confirms that modern bird lineages, like ducks and geese, were evolving ...

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.