River by the Quarry Area Quarry Area Entrance Petroglyphs Petroglyphs Blue-Winged Teal Ring-Billed Gulls House Sparrow Red-Tailed Hawk Snowy Egret Great Tailed Grackle Shoe Line Gadwall Gadwall Pair Gadwall Yellow-Headed Blackbirds Mallard Mallards Mallard Mallard Ring-Billed Gull Jailhouse and Courthouse Rocks Chimney Rock National Historic Site Sunflower Rafters on the River Below View from the Canyon Area View from the Canyon Area View from the Canyon Area View from the Canyon Area Dinosaur National Monument Eurasian Collared Dove Great Horned Owl Great Horned Owl Great Horned Owl Great Horned Owl Pre-Dawn 2 Pre-Dawn Panorama Pre-Dawn 1 Ring-Billed Gull Ferruginous Hawk A Taste of Autumn Brewer's Blackbird American Robin American Robin European Starling American Avocet