The call of the adult Great Gray owl (Strix nebulosa) is a series of very deep, rhythmic whoos, which is usually given in correlation to their territories or in interactions with their offspring. At other times, adults are normally silent. The young may chitter, shriek or hiss. Canyon area, Yellowstone.
Filename: great_grey.jpg
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Yellowstone Ecosystem, Birds of Prey, Great Grey
Copyright All rights reserved to Meg Sommers. No use permitted without written permission. Rights, usage and terms specified by written contract only.
View This Image's Galleries:
Yellowstone Ecosystem, Birds of Prey, Great Grey
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