Grebe

A grebe ( /ˈɡriːb/) is a member of the Podicipediformes order, a widely distributed order of freshwater diving birds, some of which visit the sea when migrating and in winter. This order contains only a single family, the Podicipedidae, containing 22 species in 6 extant genera.

Read more about Grebe:  Description, Systematics and Evolution, Taxonomy