from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A crested brownish bird (Opisthocomus hoazin) of tropical South America whose young have claws on the first and second digits of the wings.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A bird, Opisthocomus hoazin, with claws on the wing fingers of the juvenile and an enlarged crop used as a rumen.

from the GNU version of the Collaborative International Dictionary of English

  • n. Same as hoazin.

from The Century Dictionary and Cyclopedia

  • n. Same as hoactzin.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. crested ill-smelling South American bird whose young 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, Fourth Edition)
From Nahuatl huāctzin (which probably designated a different bird). (Wiktionary)



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  • Neat article, mollusque--thanks!

    September 3, 2008

  • Alimentary, my dear hoatzin !

    September 3, 2008

  • Nicknamed "stinkbird." Hoatzins use bacterial fermentation in the front part of the gut to break down the vegetable material they consume. With ruminants, this occurs in the rumen (a specialized stomach); in the hoatzin, it occurs in the crop. Aromatic compounds in the leaves the hoatzin consumes and the fermentation process itself give the bird its characteristic manure-like odor.

    September 3, 2008

  • I hope I'm not the only one who played EcoQuest when I was little.

    April 17, 2007