Eric Walker added The Bizarre Bird That’s Breaking the Tree of Life | The New Yorker and Hoatzin - Wikipedia to Opisthocomus hoazin, and added Opisthocomus hoazin to Opisthocomus

Eric Walker added Opisthocomus hoazin to Opisthocomus, and added Opisthocomus to Opisthocomidae

Eric Walker added Opisthocomus to Opisthocomidae, and added Opisthocomidae to Opisthocomiformes