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Hoatzin
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Illustration of a hoatzin (Opisthocomus hoazin), a bird with a spiky crest, blue facial skin, reddish eyes, and brown and buff plumage, perched on a branch with green leaves. Body plans of galliform birds. Body plans of representative Cuculiformes.
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Lion (panthera leo)
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turkey vulture. vulture. Close-up of a head and beak of a Turkey vulture (Cathartes aura).
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Hoatzin: References & Edit History

Article Contributors

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Article title updated for style. Nov 12, 2026
Modified link of Web site: Animal Diversity Web - Hoatzin. May 31, 2020
Text describing the unique foot structure and taxonomy of the hoatzin (Opisthocomus hoazin) added. Feb 23, 2010
Added new Web site: Animal Diversity Web - Hoatzin. May 21, 2008
Article revised. Oct 12, 2001
Article revised. Dec 14, 2000
Article added to new online database. Jul 20, 1998
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