Grack on a Hot Wooden Perch Common Nighthawk (Chordeiles minor) Common Nighthawk (Chordeiles minor) Elisha_A_Hancock_005 Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Steamtown National Historic Site Fish Crow Indigo Bunting Field Sparrow Bonaparte's Gull Warbling Vireo Tallgrass Prairie National Preserve Eastern Meadowlark Tallgrass Prairie National Preserve Plains Pocket Gopher (Geomys bursarius) in memoriam Not one our nation's finest hours. Sand Creek Massacre National Historic Site Twelve-Spotted Skimmer (Libellula pulchella) Twelve-Spotted Skimmer (Libellula pulchella) Roseate Skimmer (Orthemis ferruginea) Widow Skimmer (Libellula luctuosa) Common Nighthawk (Chordeiles minor) Lark Sparrow (Chondestes grammacus) Northern Mockingbird (Mimus polyglottos) Dickcissel (Spiza americana) Colorado Birding Trail 105° Common Nighthawk (Chordeiles minor) Red-Headed Woodpecker (Melanerpes erythrocephalus) Red-Headed Woodpecker (Melanerpes erythrocephalus) Great Crested Flycatcher (Myiarchus crinitus) Plumbeous Vireo (Vireo plumbeus) House Wren (Troglodytes aedon) Cliff Swallow in Nest American Avocet (Recurvirostra americana) Spotted Sandpiper (Actitis macularius)