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 ...

The wide base of the beak provides the necessary strength, while the pointed tip allows for precise handling of seeds. Seed-eating birds require these strong beaks to exert the force needed to ...

“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 ...

The “chicken hawk” of colonial America, this medium-sized accipiter is a common sight at home bird feeders across the ... Eye is close to the beak. Crown merges with forehead and bill in ...

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 ...

The different finch species on the islands are closely related to each other, but show wide variations in beak and body ... but the most obvious differences between the birds are the size and shape of ...