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 ...

“normal” beaks (examples shown of a petrel and a gull) and a bird with a tactile bill-tip organ (a tinamou, close relative of ostriches and emus and which has an ancestral bill-tip organ ...

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 ...

Dragging wings, broken legs… it’s just so distressing ... Beauty when everyone else thought the odds were unbeatable. Birds beaks can regenerate, but only over long periods of time.

But when analyzing the videos of the feeding birds, I observed ... seed and were left with broken bits of kernel and shell, most of them falling out of their beaks. This almost never happened ...

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.

Thousands of eager viewers who have been watching the eagles' nest on camera since the first pip showed over the weekend got ...