The only species of grebe recorded in Galapagos is the Pied-billed Grebe. This is a small, rather plump diving bird with a short neck; very short tail; straight, stout bill; and lobed toes. The sexes are alike. It is a vagrant species; recorded regularly, mainly on brackish lagoons, particularly on San Cristobal Island where it may have bred.
The only grebe recorded. Told from other water birds by aquatic habits, frequently diving. Small size; short-necked and large-headed appearance with very short tail; uniform grey-brown plumage with white undertail-coverts; and stout, pale bill which, during the breeding season, has a vertical black band.