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The anis are the three species of birds in the genus Crotophaga of the cuckoo family. They are essentially tropical New World birds, although the range of two species just reaches the United States. [1] [2] Unlike some cuckoos, the anis are not brood parasites, but nest communally, the cup nest being built by several pairs from 2–6 m high in ...
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Four species make up the subfamily, namely the guira cuckoo (Guira guira) and the three members of the genus Crotophaga known as anis. Study of the cranial osteology and mitochondrial DNA yield the same phylogeny, namely that the Smooth-billed and groove-billed ani are each other's closest relatives, with the greater ani related and the guira cuckoo an earlier offshoot of the group.
The cuckoo, common cuckoo, European cuckoo or Eurasian cuckoo (Cuculus canorus) is a member of the cuckoo order of birds, Cuculiformes, which includes the roadrunners, the anis and the coucals. This species is a widespread summer migrant to Europe and Asia, and winters in Africa.
The greater ani is about 46 cm (18 in) in length. Males weigh around 162 g (5.7 oz), females 145 g (5.1 oz). The adult is mainly blue-glossed black, with a long tail, massive ridged black bill, and a white iris. Immature birds have a brown iris. [9] The calls include croaking and turkey-like gobbling kro-koro.
The smooth-billed ani is a mid-sized species, larger on average than the groove-billed ani but smaller than the greater ani. It measures approximately 35 cm (14 in) in overall length. Males weigh around 115 g (4.1 oz) while females are lighter and with a weight of around 95 g (3.4 oz).
The cuckoo-finch typically occurs in pairs or small flocks during the breeding season and larger flocks outside the breeding season. It forages on the ground or perched on the flower heads of grasses or herbs. It feeds mainly on grass seeds. [9] The species is an obligate brood parasite, laying its eggs in the nests of cisticolas and prinias ...
The chestnut-breasted malkoha is typical of the Phaenicophaeinae in having brightly coloured skin around the eye.. Cuckoos are medium-sized birds that range in size from the little bronze cuckoo, at 17 g (0.6 oz) and 15 cm (6 in), to moderately large birds, ranging from 60–80 cm (24–31 in) in length, such as the giant coua of Madagascar, the coral-billed ground-cuckoo of Indochina, and ...