Long - eared owl: © Joe McDonald / ​ Visuals Unlimited; barn owl sequence: © Andy Harmer / ​ Photo Researchers, Inc.; feather comparison: Courtesy of Eike Wulfmeyer / ​ Wikimedia / ​ GFDL
Kõrvukräts: © Joe McDonald / Visuals Unlimited; loorkaku järjestikused lennuasendid: © Andy Harmer / Photo Researchers, Inc.; võrdluseks toodud kaks sulge: Courtesy of Eike Wulfmeyer / Wikimedia / GFDL