Passeriformesperching birds


    • western bluebird
      Sialia mexicana
    • western bluebird
      Sialia mexicana
    • western bluebird
      Sialia mexicana
    • western bluebird
      Sialia mexicana
    • eastern bluebird
      Sialia sialis
    • eastern bluebird
      Sialia sialis
    • eastern bluebird
      Sialia sialis
    • eastern bluebird
      Sialia sialis
    • eastern bluebird
      Sialia sialis
    • saffron finch
      Sicalis flaveola
    • saffron finch
      Sicalis flaveola
    • Wallace's fairy-wren
      Sipodotus wallacii
    • great spinetail
      Siptornopsis hypochondriaca
    • red-breasted nuthatch
      Sitta canadensis
    • red-breasted nuthatch
      Sitta canadensis