Stilt Sandpiper Green-Winged Teal Least Sandpiper Dinosaur National Monument Dinosaur National Monument Ruby-Throated Hummingbird Ruby-Throated Hummingbird Ruby-Throated Hummingbird American Goldfinch Great Egret Snowy and Great Egrets Great Egret Turkey Vulture Turkey Vulture Turkey Vulture Turkey Vulture Horned Lark Colorado Windmills Moo Pawnee Buttes Swainson's Hawk European Starling Snowy Egret American Avocet Northern Shoveler Yellow-Headed Blackbird Yellow-Headed Blackbirds American Coot and Chick American Coot Yellow-Headed Blackbird Yellow-Headed Blackbird Mountain Bluebird Mountain Bluebird Common Loon (Gavia immer) Glaucous-Winged Gull and Black-Legged Kittiwakes Black Legged Kittiwakes Mallard Swainson's Hawk Great-Tailed Grackle Great-Tailed Grackle Swainson's Hawk Violet-Green Swallow Eastern Kingbird Western Kingbird Western Meadowlark