Neoavesmodern birds


    • Eurasian golden oriole
      Oriolus oriolus
    • olive-backed oriole
      Oriolus sagittatus
    • ashy tailorbird
      Orthotomus ruficeps
    • common tailorbird
      Orthotomus sutorius
    • African quailfinch
      Ortygospiza atricollis
    • great bustard
      Otis tarda
    • great bustard
      Otis tarda
    • great bustard
      Otis tarda
    • great bustard
      Otis tarda
    • great bustard
      Otis tarda
    • great bustard
      Otis tarda
    • eastern screech owl
      Otus asio
    • eastern screech owl
      Otus asio
    • eastern screech owl
      Otus asio
    • eastern screech owl
      Otus asio