Grebes
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Infraclass:	Neognathae
Order:	Podicipediformes Fürbringer, 1888
Family:	Podicipedidae Bonaparte, 1831
Genera
Aechmophorus Podiceps Podilymbus Poliocephalus Rollandia Tachybaptus
Diversity
1 Families, 6 Genera, 22 Species

A grebe is a medium sized bird. They are in the family Podicipedidae. There are 22 species of grebe.