1. Crested ill-smelling South American bird whose young have claws on the first and second digits of the wings
   "The Opisthocomus hoazin's unique wing claws in its young fascinated evolutionary biologists";
   - hoatzin, hoactzin, stinkbird

Type of: gallinacean, gallinaceous bird

Part of: genus Opisthocomus, Opisthocomus

Encyclopedia: Opisthocomus hoazin