Scientists have pieced together the skull of a strange ancient bird, revealing a primitive beak lined with teeth. The "transitional" bird sheds light on a pivotal point in the pathway from ...

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.

“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 flowers are said to resemble small birds, with curved beaks and crown-like heads. With its bright green and yellow petals ...