Preferred avian prey includes grebes, alcids, ducks, gulls, coots, herons, egrets, and geese. Groups of coots are called covers or rafts. The lagoon is also home to numerous red-knobbed coots and small antelope. Coots and phalaropes both have lobed toes. Several species of coots and gallinules have been recorded engaging in kleptoparasitism. Much research has been done on the breeding habits of American coots. The family exhibits considerable diversity and includes the crakes, coots, and gallinules.