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Date: 2015-03-03 11:45:58Owls Strix Great horned owl Glaucidium Barred owl Washington state) Birds of North America North Cascades National Park Spotted owl Northern pygmy owl North Cascades Northern saw-whet owl | National Park Service U.S. Department of the Interior Natural Resource Stewardship and Science Surveying for Spotted Owls in the Upper SkagitAdd to Reading ListSource URL: www.birdpop.orgDownload Document from Source WebsiteFile Size: 3,86 MBShare Document on Facebook |