- 24–33.1 in
- 53.9–60.2 in
- 24.7–60 oz
- Chouette lapone (French)
- Cárabo lapòn (Spanish)
- Although the Great Gray Owl is the tallest American owl with the largest wingspan, it is just a ball of feathers. It preys on small mammals and has relatively small feet. Both the Great Horned and Snowy owls weigh half again as much, and have larger feet and talons.
Small mammals, especially rodents.
- Egg Description
- Condition at Hatching
- Helpless, eyes closed, covered in gray and white down.
Broken-topped dead tree or existing nest of other bird species.
Locates mice below snow by hearing, then plunges down through surface to capture them.
Negatively affected by logging and clearcutting.
- Bull, E. L. and J. R. Duncan. 1993. Great Gray Owl (Strix nebulosa). In The Birds of North America, No.41 (A. Poole and F. Gill, Eds.). Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists' Union.