Sarcopterygiilobe-finned fishes and terrestrial vertebrates


    • whooper swan
      Cygnus cygnus
    • whooper swan
      Cygnus cygnus
    • whooper swan
      Cygnus cygnus
    • whooper swan
      Cygnus cygnus
    • black-necked swan
      Cygnus melancoryphus
    • black-necked swan
      Cygnus melancoryphus
    • black-necked swan
      Cygnus melancoryphus
    • black-necked swan
      Cygnus melancoryphus
    • black-necked swan
      Cygnus melancoryphus
    • black-necked swan
      Cygnus melancoryphus
    • black-necked swan
      Cygnus melancoryphus
    • mute swan
      Cygnus olor
    • mute swan
      Cygnus olor
    • mute swan
      Cygnus olor
    • mute swan
      Cygnus olor