[hoh-at-sin, waht-sin] 
| a blue-faced, crested bird, Opisthocomus hoazin, of the Amazon and Orinoco forests, having as a nestling a large, temporary claw on the second and third digits of the forelimb, for climbing among the tree branches. |
| hoactzin | |
noun | |
| crested ill-smelling South American bird whose young have claws on the first and second digits of the wings [syn: hoatzin] |