(redirected from hoatzins)
Also found in: Thesaurus, Encyclopedia.
Related to hoatzins: Opisthocomiformes


A crested bird (Opisthocomus hoazin) of tropical South America having brown and buff plumage and a blue face. Juveniles have claws on the first and second digits of the wings.

[American Spanish hoazín, from Nahuatl uatzin, pheasant or small game bird.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(həʊˈætsɪn) or


(Animals) 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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(hoʊˈæt sɪn, ˈwɑt sɪn)

a slender, crested gallinaceous bird, Opisthocomus hoatzin, of the Amazon and Orinoco basins, with young having a temporary claw on the wing for grasping branches.
[1655–65; « Nahuatl huāctzīn,huāhtzīn name for several henlike birds of the Valley of Mexico]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hoatzin - crested ill-smelling South American bird whose young have claws on the first and second digits of the wingshoatzin - crested ill-smelling South American bird whose young have claws on the first and second digits of the wings
gallinacean, gallinaceous bird - heavy-bodied largely ground-feeding domestic or game birds
genus Opisthocomus, Opisthocomus - type genus of the Opisthocomidae: hoatzins
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Also of note are intriguing stories about the brine shrimp-eating flamingos of the Atacama Desert, the bone-eating Lammergeiers of the Middle East, Central Asia and Africa, and the leaf-eating Hoatzins of the Amazon, to mention just a small sample on offer.
Woodpeckers, hoatzins, parrots and monkeys appear utterly unperturbed by our slowly drifting presence, nor by the sudden violent downpour that instigates a clattering of lens caps as we retreat under some plastic sheeting, silently watching as the force of the rain turns the water milky.
bandores banjoist Brahmins broadens confuted habitude halutzim hedonist hoatzins hordeins joinders pibrochs spheroid
Two relatively widespread, although not species rich, families are represented at the South American sites, but not in Panama: Opisthocomidae (Hoatzins, Opisthocomus hoazin) and Psophiidae (screamers).
Hoatzins: cooperative breeding in a folivorous neotropical bird, p.
Narrow channels are filled with the sounds of a crowd of whistling sun bitterns and ducks and of hoatzins, a partridge-like bird, sheltered in overhanging branches, while darting spectacled caymans and shad splash ahead of the penero.
But hoatzins have an unusually big crop (food-storage pouch) and esophagus (tube leading from the mouth to the stomach), explains Alejandro Grajal, an ornithologist (bird scientist).
Scientists have disagreed most recently over whether hoatzins are closer to cuckoos or to galliforms such as pheasants, chickens, and turkeys.
Seuss, turkey-like, claw-winged hoatzins vie for attention with azure gallinules; macaws, parrots, and troupials call out overhead.