Great Gray Owl. The Great Gray Owl is both federally and state protected and is considered a sensitive species. A big nightbird, haunting woods of the far north and certain high mountains of the west. Its They’re very large birds with broad wings and long tails — one of the tallest owls in America. Great Gray Owls are found year-round in the eastern half of Washington State. Here are five interesting facts about them: They are the tallest of all owls and only a couple of species are heavier than the great grey owl. Today, I want to write about one of the most beautiful of all raptors, the great grey owl. These include the great gray owl (mountains), burrowing owl (shrub-steppe areas), and the threatened spotted owl (old-growth forests). Also, like other owls, one of its ear holes is higher than the other. Forest fire suppression limits the number of suitable nesting sites (large open snags), limiting population density. Among all predatory birds, it has the largest facial disc and it also lacks ear tufts. Great Gray Owl (Strix Nebulosa) is the largest species of owl in the world. Great gray owls have been found to live at least 13 years in the wild and 27 years in captivity. Image: Kevinsphotos | This big-head owl has the longest tail among all owl species. Length: 24.0-33.1 in Weight: 24.7-60.0 oz Wingspan: 53.9-60.2 in. Great Gray Owl Facts for Kids. This gives it depth perception?the kind of vision you have when you look through two eyes instead of one. Fun facts. Females are larger than males and can grow up to 84 cm tall, with a wingspan of 1.5 metres. It has a gray-colored face with yellow eyes. Like other owls, the great gray owl has eyes that face forward. Male owl hoots like ‘whoo whoo whoo’. The following owl species are seen or heard around wooded rural properties, agricultural areas, and large urban parks. Some owls are uncommon or unlikely to be seen on your property due to their habitat preferences. The harvest of timber from the Great Grey Owl's habitat is, perhaps, the greatest threat to this species. Suitable habitat is negatively effected by logging and clear cutting in many areas.