The Greater Ani is sometimes referred to as the Black Cuckoo. The Greater Ani is about 48 cm (19 in) long and weighs 170 g (6 oz). The adult is mainly blue-glossed black, with a long tail, massive ridged black bill, and a white iris.
The Greater Ani (Crotophaga major) is a large bird in the cuckoo family. It is a breeding species from Panama and Trinidad through tropical South America to northern Argentina.