#genus_Opisthocomus__Opisthocomus  type genus of the Opisthocomidae: hoatzins
  supertype:  bird_genus  a genus of birds
  member of:  family_Opisthocomidae
  member:  hoatzin__hoactzin__stinkbird__Opisthocomus_hoazin  crested ill-smelling South American bird whose young have claws on the first and second digits of the wings

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