The only species in this family is the crab-plover (Dromas ardeola). The crab-plover lives in the mudflats of countries around the Indian Ocean.

It is white with a black back, flight feathers, and bill. It has long gray legs and a long, pointed black bill. Males and females look alike, but the male has a longer and thicker bill.

Crab-plovers eat crabs and other crustaceans. They usually feed in large groups.

Crab-plovers nest in colonies. Its nest is a burrow made in a sandy bank. The female lays one egg. Both the male and the female take care of the chick.