you never would imagine that they would turn out to be colorful birds! Once they grow up, they start flaunting their fluorescent green wings, shiny purple underparts, and red beaks with yellow tips.

A bird beak is the most important resource it has, and every species has one solely designed for survival. Birds use beaks for just about everything: building nests, feeding their young, cleaning ...

“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 ...

Purple martins, known for their glossy plumage, have returned to Michigan after wintering in South America. The first sightings, known as "scout" birds, were reported in mid-March, marking the ...

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.

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 ...