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The great grey owl (Strix nebulosa) (also great gray owl in American English) is a true owl, and is the world's largest species of owl by length. It is distributed across the Northern Hemisphere , and it is the only species in the genus Strix found in both Eastern and Western Hemispheres.
Great gray owl, Strix nebulosa; Long-eared owl, Asio otus; Short-eared owl, Asio flammeus; ... In size they range from 8 cm (3.1 in) to 1 m (3.3 ft) in length. Old ...
Barred owl, Strix varia; Great gray owl, Strix nebulosa (A) Long-eared owl, Asio otus; ... In size they range from 8 cm (3.1 in) to 1 m (3.3 ft) in length. Most of ...
Barred owl, Strix varia (B) Great gray owl, Strix nebulosa (R) Long-eared owl, Asio otus; ... In size they range from 8 cm (3.1 in) to 1 m (3.3 ft) in length. Most of ...
Both young and adult great grey owls, despite their superficially superior size, are apparently hunted with impunity by great horned owls. In the boreal forests, both the northern hawk owl and great grey owl appear to be in greater danger of great horned owl predation in years where the snowshoe hare have low populations.
This clip of a Great Gray Owl and her owlets is actually part of a longer video made by a family on YouTube a few years ago in which two teenagers observe and document the birth, caretaking, and ...
The largest owl known to have existed was Ornimegalonyx oteroi of Cuba, a uniquely cursorial owl. The giant bird was estimated to stand over 1.1 m (3.6 ft) on the ground and to weigh at least 9.05 kg (20.0 lb). [145] The grey tinamou ranks as the largest species of tinamou.
Cross sectioned great grey owl specimen showing the extent of the body plumage, Zoological Museum, Copenhagen Skeleton of a Strigidae owl. While typical owls (hereafter referred to simply as owls) vary greatly in size, with the smallest species, the elf owl, being a hundredth the size of the largest, the Eurasian eagle-owl and Blakiston's fish owl, owls generally share an extremely similar ...