What is "pied-billed grebe"

Dabchick \Dab"chick`\ (d[a^]b"ch[i^]k`), n. [For dabchick. See Dap, Dip, cf. Dipchick.] (Zo["o]l.) A small water bird ( Podilymbus podiceps), allied to the grebes, remarkable for its quickness in diving; -- called also dapchick, dobchick, dipchick, didapper, dobber, devil-diver, hell-diver, and pied-billed grebe. [1913 Webster] ||

n. American grebe having a black-banded whitish bill [syn: Podilymbus podiceps]

The pied-billed grebe (Podilymbus podiceps) is a species of the grebe family of water birds. Since the Atitlán grebe (Podilymbus gigas) has become extinct, it is the sole extant member of the genus Podilymbus. The pied-billed grebe is primarily found in ponds throughout the Americas. Other names of this grebe include American dabchick, dabchick, Carolina grebe, devil-diver, dive-dapper, dipper, hell-diver, pied-billed dabchick, pied-bill, thick-billed grebe, and water witch.