Image 100 of 145
< Prev Next >

Great Gray Owl plunge hole 378_7834.jpg

Great Gray Owls can hear a vole under two feet of snow at a hundred yards. Facial disks focus sound on the asymetrical ear holes on the front of the skull allowing them to triangulate and pinpoint sound [March; Garthus Road, Wrenshall Twp, Carlton County, Minnesota]