All three Anis are black and have laterally compressed bills which among lay people have earned them the name of "black parrot".
They all live in flocks and breed cooperatively or in loose colonies. All three species are found in South America, Central America and partially also in North America.
|C. major||Greater Ani|
|C. ani||Smooth-billed Ani|
|C. sulcirostris||Groove-billed Ani|
- Del Hoyo, J, A Elliot, and J Sargatal, eds. 1997. Handbook of the Birds of the World. Volume 4: Sandgrouse to Cuckoos. Barcelona: Lynx Edicions. ISBN 978-8487334221
- BirdForum Opus contributors. (2021) Crotophaga. In: BirdForum, the forum for wild birds and birding. Retrieved 16 May 2021 from https://www.birdforum.net/wiki/Crotophaga