The hoatzin (/hoʊˈætsɪn/ hoh-AT-sin) or hoactzin (/hoʊˈæktsɪn/ hoh-AKT-sin) (Opisthocomus hoazin) is a species of tropical bird found in swamps, riparian forests, and mangroves of the Amazon and the Orinoco basins in South America.
It is notable for having chicks that have claws on two of their wing digits.
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It is notable for having chicks that have claws on two of their wing digits.
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