I spotted this rook with a very unusual beak in Galway city lately. Despite the unusual shape it seemed very healthy and was ...

The markings gradually fade as the chicks mature. The sword-billed hummingbird is the only bird with a beak longer than its body, measuring 3 to 4 inches.

“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 ...

yellow beak and brown body — as the national bird. The bald eagle has appeared on the Great Seal of the United States, which is used in official documents, since 1782, when the design was finalized.

From birds of paradise” to platypus to “prairie ... the sexes by the length of their bills and a U.S. dollar bill. Males' beaks typically are less than the width of a US paper currency ...