Great grey owls are the longest owl species, measuring 24 to 33 inches in length. Females are slightly longer than males, measuring 28 inches on average while males measure 26 inches.

The great grey owl can not only pick up the swish of a vole’s footfall coming from a passage cored into a snowbank, but also figure out the elevation of the sound source, so as to strike through ...

With ore docks in the background, photographers work to capture images of a great grey owl near the Two Harbors Lighthouse in Two Harbors, Minnesota, on Monday, Feb. 3, 2025.

Bird enthusiasts are flocking to Minnesota in hopes of catching a glimpse of a great gray owl. They're one of North America's largest owl species and many have flown down from Canada to find food.