The greater ani, also known as the smooth-billed ani, is a species of bird in the family Crotophagidae. It is found in tropical and subtropical regions of the Americas. The greater ani is a medium-sized bird, with a length of about 30 cm (12 in) and a wingspan of about 45 cm (18 in). It has a black plumage, with a slightly iridescent sheen. The greater ani has a long, slender bill and a short tail. It is a gregarious bird, and is often seen in flocks of up to 100 individuals.
The greater ani is an omnivore, and its diet includes fruits, insects, and small vertebrates. It is a ground-feeding bird, and often forages in open areas. The greater ani is a cooperative breeder, and both males and females help to raise the young. The greater ani is a common bird in its range, and is not considered to be threatened.