Assertion: great horned owl's nest | /r/CreatedBy | squirrel
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Source sentences:
text: Finally, the Great Horned Owl nests in the trees from which it can acquire an abandoned nest made by other predatory birds, an American Crow or even a squirrel.
text: They might also utilize the nests made by other creatures (like squirrels, hawks, crows etc) or nest boxes made by the human.