Like all owls, Grays are carnivores, and primarily feed on small animals. Most of the Great Gray Owl's diet is made up of small rodents like voles and pocket gophers. Great Gray Owl Strix nebulosa St. Louis, Minnesota, United States Photo © Greg Hottman/Macaulay Library at the Cornell Lab. Once the chicks replace their down with true feathers, they begin learning to fly. This species ranges in size from 24 to 34 in. Zookeepers train many owl species to stand on a glove for educational presentations. Often, the only sign a Great Gray Owl is in the area is a "plunge mark", an imprint in the snow from which the owl has taken its prey. The great grey owl's diet is made up of around 80-90% small rodents. No, Gray Owls do not make good pets. The Gray Owl, also known as the Great Gray Owl, is a large owl species that lives in the Northern Hemisphere. The primary diet of great gray owls is rodents and such other small mammals. Not only do owls poop a lot, but they also spit up pellets of rodent fur and bones that they cannot digest. Pairs of owls are most active at night. In a nest made of sticks, the female lays 2 to 5 white eggs. In the stillness of a cold mountain meadow the elusive giant quietly floats on broad wings across meadows and openings in evergreen forests. They are quite large, and most individuals stand over two feet tall. A big nightbird, haunting woods of the far north and certain high mountains of the west. A black spot on its chin surrounded with white marks on either side makes the Great Gray Owl look like it's wearing a bow tie. Much of their habitat is in higher elevations or mountainous regions. Pollution, rodent poisons, climate change, and more also impact them. They are incredibly large birds, and eat lots of rodents. All photos used are royalty-free, and credits are included in the Alt tag of each image. Gray Owls are large birds with sharp, hooked beaks and sharp talons. Additionally, it is also illegal in most places to own any owl species as a pet. Different populations live in different regions within their overall range. The female incubates the eggs for about 28 days. Occasionally, it will also eat small mammals, such as shrews, and birds. This ‘Phantom of the north’, the largest owl, is a rare but magnificent sight to watch. It takes another week or two before the chicks can fly efficiently. Photo Gallery (17 pictures) It prefers to make a nest in large, old pine and fir trees in spots far from human development. The IUCN lists this species as Least Concern. After three to four weeks, the chicks leave the nest for good. Occasionally, it will also eat small mammals, such as shrews, and birds. Occasionally, it will also eat small mammals, such as shrews, and birds. To hunt, the Great Gray Owl perches on a tree overlooking an open area. These birds live throughout much of the Northern Hemisphere. Some owls even learn to fly from a glove to a perch, or from person to person, for these presentations. It is between 24 and 33 inches and has a wingspan up to five feet! If she accepts the male, the pair defends a territory and finds a suitable nest. The Great Gray Owl is one of the most stealthy birds of prey and is known for its silent, discrete nature and ghostly characteristics. They live primarily in dense forests, usually with pine or fir trees. As a whole, their global population numbers are stable, though regional populations vary in number. Good hearing allows the owl to accurately locate prey below several feet of snow. However, though they are large, they are not particularly heavy for their size, and usually max out at 3.75 lbs. 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