The owl has dish-shaped feathers that surround its face, funneling sound to its ears. Its sense of hearing is so acute that the great gray owl can hunt by sound alone, hearing the motion of voles ...

The great gray owl is one of the world's largest owls ... Their secret lies in their face, the largest among owl species. It serves as a parabolic antenna to catch the slightest sounds of rodents ...

5. Owls have extremely acute hearing, developed because they largely hunt at night. The Great Grey Owl can locate its rodent prey, hidden beneath 2 feet of snow, from a distance of half a mile away.