hoatzin
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sɪn, ˈwɑt1655–65; ≪ Nahuatl huāctzīn, huāhtzīn name for several hen-sized birds of the Valley of Mexico, apparently applied indiscriminately by early naturalists to similar New World birds
Based on the Random House Dictionary, © Random House, Inc. 2013.
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hoatzin or hoactzin (həʊˈætsɪn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| a unique South American gallinaceous bird, Opisthocomus hoazin, with a brownish plumage, a very small crested head, and clawed wing digits in the young: family Opisthocomidae | |
| [C17: from American Spanish, from Nahuatl uatzin pheasant] | |
| hoactzin or hoactzin | |
| —n | |
| [C17: from American Spanish, from Nahuatl uatzin pheasant] | |
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| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a gadget; dingus; thingumbob. |
hoatzin
primitive chicken-sized bird of South American swamps, principally in the Amazon and Orinoco river basins. The young possess two large claws on each wing, a trait that has led some scientists to link the species with the fossil Archaeopteryx of the dinosaur era. The hoatzin is the only bird with a digestive system that ferments vegetation as a cow does, which enables it to eat leaves and buds exclusively. Hoatzins feed on swamp plants, grinding foliage in a greatly enlarged crop (not the gizzard, as in other birds). Adults can fly clumsily for short distances, but they spend most of their time perched, digesting their leafy food. A large rubbery callus on the bird's breastbone acts as a tripod to keep it from falling over when its stomach is distended.
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