Waterfowl ___ Snow Goose ___ Greater White-fronted Goose* ___ Brant* ___ Cackling Goose ___ Canada Goose ___ Wood Duck ___ Blue-winged Teal ___ Cinnamon Teal ___ Green-winged Teal ___ Northern Shoveler ___ Gadwall ___ American Widgeon ___ Mallard ___ Northern Pintail ___ Canvasback* ___ Redhead ___ Ring-necked Duck ___ Greater Scaup* ___ Lesser Scaup ___ Bufflehead ___ Common Goldeneye ___ Hooded Merganser ___ Common Merganser ___ Red-breasted Merganser* ___ Ruddy Duck Loons & Grebes ___ Pied-billed Grebe ___ Horned Grebe* ___ Eared Grebe* ___ Western Grebe* ___ Common Loon* Cormorants & Pelicans ___ Double-crested Cormorant ___ American White Pelican Herons, Ibis, & Allies ___ American Biern* ___ Great Blue Heron ___ Great Egret ___ Snowy Egret ___ Cale Egret* ___ Green Heron* ___ Black-crowned Night Heron ___ White-faced Ibis* Vultures, Eagles, & Hawks ___ Turkey Vulture ___ Osprey ___ Northern Harrier ___ Sharp-shinned Hawk ___ Cooper’s Hawk ___ Bald Eagle ___ Broad-winged Hawk* ___ Swainson’s Hawk ___ Red-tailed Hawk ___ Rough-legged Hawk ___ Ferruginous Hawk Rails & Gallinules ___ Virginia Rail ___ Sora ___ American Coot Shorebirds ___ Black-necked Slt ___ American Avocet ___ Killdeer ___ Baird’s Sandpiper ___ Least Sandpiper ___ Pectoral Sandpiper ___ Semipalmated Sandpiper ___ Wilson’s Snipe ___ Wilson’s Phalarope ___ Red-necked Phalarope* ___ Spoed Sandpiper ___ Solitary Sandpiper ___ Greater Yellowlegs ___ Lesser Yellowlegs Gulls & Terns ___ Franklin’s Gull* ___ Ring-billed Gull ___ California Gull* ___ Caspian Tern* Pigeons & Doves ___ Rock Pigeon (Feral Pigeon) ___ Eurasian Collard-Dove ___ White-winged Dove* ___ Mourning Dove Owls ___ Great Horned Owl ___ Burrowing Owl ___ Short-eared Owl* Swiſts ___ Chimney Swiſt Hummingbirds ___ Black-chinned Hummingbird ___ Broad-tailed Hummingbird Kingfishers ___ Belted Kingfisher Woodpeckers ___ Red-headed Woodpecker* ___ Downy Woodpecker ___ Hairy Woodpecker ___ Northern Flicker Falcons & Caracaras ___ American Kestrel ___ Merlin ___ Peregrine Falcon ___ Prairie Falcon Shrikes ___ Loggerhead Shrike* ___ Northern Shrike Tyrant Flycatchers: Pewees, Kingbirds, & Allies ___ Olive-sided Flycatcher ___ Western Wood-Pewee ___ Willow Flycatcher* ___ Least Flycatcher* ___ Gray Flycatcher* ___ Dusky Flycatcher ___ Cordilleran Flycatcher* ___ Eastern Phoebe* ___ Say’s Phoebe ___ Ash-throated Flycatcher ___ Cassin’s Kingbird* ___ Western Kingbird ___ Eastern Kingbird Vireos ___ Cassin’s Vireo ___ Plumbeous Vireo ___ Warbling Vireo ___ Red-eyed Vireo* Jays, Magpies, Crows, & Ravens ___ Blue Jay ___ Woodhouse’s Scrub-Jay* ___ Black-billed Magpie ___ American Crow ___ Common Raven Larks ___ Horned Lark Marns & Swallows ___ Northern Rough-winged Swallow ___ Tree Swallow ___ Violet-green Swallow ___ Bank Swallow ___ Barn Swallow ___ Cliff Swallow Chickadees ___ Black-capped Chickadee Long-tailed Tits ___ Busht Nuthatches & Treecreepers ___ Red-breasted Nuthatch* ___ White-breasted Nuthatch ___ Brown Creeper Wrens ___ Rock Wren ___ House Wren ___ Marsh Wren Gnatcatchers ___ Blue-gray Gnatcatcher THIS CHECKLISTINCLUDESTHE 203 BIRD SPECIES that have been recorded at Bluff Lake Nature Center to date. This total makes Bluff Lake one of the best publicly accessible birdwatching sites in Denver County. Some species are abundant year-round; others have only been seen once. Many more might be added to the list by the intrepid birdwatcher — will you see the 204th species? Use this checklist along with your binoculars and a field guide to idenfy birds at Bluff Lake. Rarity codes tell how likely it is for a species to be present in a given season. Habitat codes tell where each species is likely to be seen. As you walk, make note of a bird’s behavior, shape, coloraon, and voice. Sketch or take photographs. Use a combinaon of your observaons and the informaon in a field guide to idenfy the birds that you discover here. HABITAT CODES L - Bluff Lake C - Sand Creek M - Caail Marsh P - Shortgrass Prairie W - Riparian Woods O - Flying Overhead SEASON CODES s - Spring S - Summer F - Fall W - Winter RARITY CODES a - Abundant (a common species which is numerous) c - Common (likely to be seen in suitable habitat) u - Uncommon (might be seen in suitable habitat) r - Rare (not always seen in a season) o - Occasional (extraordinary; only one or two records) Notes and Sketches s S F W Habitat s S F W Habitat s S F W Habitat r c u c c c c c u a o o u u o u u u u u o u u o o o o c r o u u u o r o r r u r o u c o c u u u u a o c o c u c o c o r u r o u c c r c u c c c c c u a o r u u u u u r u c o o o o u r u u o r r o u o r r u r o u c o o o u a u c c c u a o r r u r u u u u r r o o u r u u c r o LO LO LCO LCO LCO L LC LC LC LC LC LC LC LC L L LC L LC LC LC LC LC L L L L L L L LCO LO M LCM LCM LCM LCM LCM LC L WO LCO MPO WO WO LWO WO WO WO PO PO r r c o u c o o o o r r o u r o o o c o o a u c o o o c o c r c c o o o o o r r c u c o r u c u o a o o r c c r c c o r r c o r c o o o o r o o u u o o c o a u c o o o c c r c c o o o o r r o c o a u o c c r c c r o o r M M LM L L LP L L L L LM L L L L L L LO O LO LO O W WO WO P O MPW MPW LC W W W W PO W PWO PO P PW r u r r o o o o c o o u u o o r o u o c c o u o u u r r a c a o o u r r u r o u c o c u o u c c u o u u r r a c c o u c o r u r r o o o u o o c u o o o o u o c c o r u u r r a c a o o c r r r r o o r o c c o u a o o u u r W W W W PW W W CPW CPW W PW PW PW W W W W W PW W PWO O W P WPO LCMPWO LCMPWO LCMPWO LCMWO LCMPWO LCMPWO W W W W W P CW M W