Blue-footed boobies are well known for their name, but their unusually-colored feet serve several purposes in the wild.

Blue-footed boobies are aptly named, and males take great pride in their fabulous feet. During mating rituals, male birds show off their feet to prospective mates with a high-stepping strut.

Greenfinches and blue tits are among some of the most common birds that are spotted in gardens in spring and both of these ...

The bill is thin and pale gray. Breeding male: blue-gray above, including most of head and back. Crown has a black line at the forecrown that extends along the sides of crown; white eye ring ...