: a crested large South American bird (Opisthocomos hoazin) with blue facial skin, red eyes, brown plumage marked with white above, and claws on the first and second digits of the wing when young
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A little way down the bank, a hoatzin flapped awkwardly in dense foliage.—
Stanley Stewart,
Travel + Leisure,
10 Jan. 2026
Word History
Etymology
ultimately from Nahuatl huāctzin the laughing falcon (Herpetotheres cachinnans)