page_title: Greater ani
hierarchical_section_title: Greater ani
caption_attribution_description: English: Canopy Camp Darien, Panama
context_page_description: The greater ani is a large bird in the cuckoo family. It is a breeding species from Panama and Trinidad through tropical South America to northern Argentina. It is sometimes referred to as the black cuckoo.
  This ani is found in mangrove swamps, semi-open woodland near water, and the edges of forests. It is a seasonal migrant in at least some parts of its range. The nest, built communally by several pairs, is a deep cup lined with leaves and placed usually 2–5 m high in a tree. A number of females lay their chalky deep blue eggs in the nest and then share incubation and feeding. These breeding groups may also include non-breeding helpers. Nests have been found containing 3–10 eggs. In a recent longterm study, it was found that around 15% of females lay their eggs in the nest of another nesting group. This conspecific brood parasitism happens primarily when a female has lost her own clutch to predation.
  The greater ani is about 48 cm long and weighs 170 g. The adult is mainly blue-glossed black, with a long tail, massive ridged black bill, and a white iris. Immature birds have a dark iris.
  This is a very gregarious species, always found in noisy groups.
context_section_description: 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. It is sometimes referred to as the black cuckoo.
  This ani is found in mangrove swamps, semi-open woodland near water, and the edges of forests. It is a seasonal migrant in at least some parts of its range. The nest, built communally by several pairs, is a deep cup lined with leaves and placed usually 2–5 m (6.6–16.4 ft) high in a tree. A number of females lay their chalky deep blue eggs in the nest and then share incubation and feeding. These breeding groups may also include non-breeding helpers. Nests have been found containing 3–10 eggs. In a recent longterm study, it was found that around 15% of females lay their eggs in the nest of another nesting group. This conspecific brood parasitism happens primarily when a female has lost her own clutch to predation.
  The greater ani is about 48 cm (19 in) long and weighs 170 g (6.0 oz). The adult is mainly blue-glossed black, with a long tail, massive ridged black bill, and a white iris. Immature birds have a dark iris.
  This is a very gregarious species, always found in noisy groups. The calls include croaking and turkey-like gobbling kro-koro. The greater ani feeds on large insects and even lizards and frogs.
caption: Juvenile has black eyes. Canopy Camp - Darien Panama
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