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Great Horned Owl
- University of Iowa Press
- Chapter
- Additional Information
+64+ Great horned owl Bubo virginianus This common permanent resident and common nester is one of our most efficient predators. It likely nests in every Iowa county because it utilizes a variety of nest structures, preys on a wide variety of birds and mammals, and is not bothered by the presence of humans and human habitation. Its low, melodious call—common in Iowa—is often heard in movies when a spooky night scene is required. Occasionally individuals of the very pale northern subspecies are found as far south as central Iowa. qr +65+ ...