jacana, any of several species of water birds belonging to the family Jacanidae of the order Charadriiformes. Jacanas are uniquely equipped with long straight claws for walking on floating vegetation. Like certain plovers, some jacanas have wing spurs.
The seven or eight species of the genus Jacana include the American jacana (Jacana spinosa), of the American tropics, variably black or reddish; the African jacana (Actophilornis africanus); the Australian lotus bird (Irediparra gallinacea) of New Guinea and the eastern Australian coast; and the pheasant-tailed jacana (Hydrophasianus chirurgus), of India and the Philippines, a handsome black, yellow, and white bird that acquires long tail feathers in breeding season.