; class Aves, order Piciformes)
A family of small, black or brown and white birds that have thick necks and large heads. The bill is stout with a hooked, often bifid, tip. There are rictal bristles, and the feet are zygodactylous. They are insectivorous and nest in holes in banks (one of the four species of Notharchus nests in tree-termite nests). There are 10 genera, with 32 species, found in tropical forests in Central and S. America.
Subjects: Zoology and Animal Sciences.