Blank, David


    • common crane
      Grus grus
    • common crane
      Grus grus
    • common crane
      Grus grus
    • common crane
      Grus grus
    • common crane
      Grus grus
    • red-crowned crane
      Grus japonensis
    • red-crowned crane
      Grus japonensis
    • red-crowned crane
      Grus japonensis
    • red-crowned crane
      Grus japonensis
    • red-crowned crane
      Grus japonensis
    • red-crowned crane
      Grus japonensis
    • Siberian crane
      Grus leucogeranus
    • common crane
      Grus grus
    • black-necked crane
      Grus nigricollis
    • black-necked crane
      Grus nigricollis
    • black-necked crane
      Grus nigricollis