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Squirrel cuckoo
The squirrel cuckoo (''Piaya cayana'') is a large and active species of cuckoo found in wooded habitats from northwestern Mexico to northern Argentina and Uruguay, and on Trinidad. Some authorities have split off the western Mexican form as the Mexican squirrel-cuckoo (''Piaya mexicana'').〔
==Description==
This large and extremely long-tailed cuckoo is long and weighs .〔 The adult has mainly chestnut upperparts and head, becoming paler on the throat. The lower breast is grey and the belly is blackish. The central tail feathers are rufous, but the outer are black with white tips. The bill is yellow and the iris is red. Immature birds have a grey bill and eyering, brown iris, and less white in the tail. It resembles the little cuckoo, but that species is smaller and has a darker throat.
There are a number of subspecies with minor plumage variations. For example, ''P. c. mehleri'', one of the South American subspecies, has mainly brown (not black) outer tail feathers. Additionally, the subspecies from Mexico, Central America, and northern and western South America have a yellow eye-ring, but this is red in the remaining part of South America.
It makes explosive ''kip!'' and ''kip! weeuu'' calls, and the song is a whistled ''wheep wheep wheep wheep''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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