Bird AlbumUnited States · Colorado
Rocky Mountain Arsenal NWR
274 species and 204,274 records in eBird up to 2024-12-31.
Best months: May and September, with up to 190 species seen regularly.
Seen here in November
Black-billed MagpiePica hudsonia
Red-tailed HawkButeo jamaicensis
Ring-billed GullLarus delawarensis
Canada GooseBranta canadensis
MallardAnas platyrhynchos
BuffleheadBucephala albeola
American CootFulica americana
Bald EagleHaliaeetus leucocephalus
GadwallMareca strepera
Northern FlickerColaptes auratus
Common StarlingSturnus vulgaris
Hooded MerganserLophodytes cucullatus
American KestrelFalco sparverius
Northern ShovelerSpatula clypeataSpecies seen regularly, by month
Species with 3 or more records in that month, all years combined.
Nearby hotspots
- Bluff Lake Nature Center7 km236 species
- Barr Lake SP16 km343 species
- Cherry Creek SP20 km324 species
- Wheat Ridge Greenbelt23 km262 species
- Waneka Lake/Greenlee Preserve29 km269 species
- Walden Ponds Wildlife Habitat – Walden & Sawhill Ponds all together37 km295 species
All 274 species recorded here
- Black-billed Magpie Pica hudsonia
- Red-tailed Hawk Buteo jamaicensis
- Western Meadowlark Sturnella neglecta
- Common Starling Sturnus vulgaris
- Canada Goose Branta canadensis
- Red-winged Blackbird Agelaius phoeniceus
- Mallard Anas platyrhynchos
- American Kestrel Falco sparverius
- Northern Flicker Colaptes auratus
- Mourning Dove Zenaida macroura
- American Robin Turdus migratorius
- Killdeer Charadrius vociferus
- Bald Eagle Haliaeetus leucocephalus
- American Coot Fulica americana
- Ring-billed Gull Larus delawarensis
- Double-crested Cormorant Nannopterum auritum
- Gadwall Mareca strepera
- Great Blue Heron Ardea herodias
- Horned Lark Eremophila alpestris
- Western Kingbird Tyrannus verticalis
- Northern Shoveler Spatula clypeata
- Swainson's Hawk Buteo swainsoni
- Barn Swallow Hirundo rustica
- Say's Phoebe Sayornis saya
- Rock Dove Columba livia
- American White Pelican Pelecanus erythrorhynchos
- Song Sparrow Melospiza melodia
- Common Grackle Quiscalus quiscula
- American Crow Corvus brachyrhynchos
- Northern Harrier Circus hudsonius
- Snowy Egret Egretta thula
- Pied-billed Grebe Podilymbus podiceps
- Lark Sparrow Chondestes grammacus
- House Finch Haemorhous mexicanus
- Redhead Aythya americana
- Bufflehead Bucephala albeola
- Lesser Scaup Aythya affinis
- Eurasian Teal Anas crecca
- Ruddy Duck Oxyura jamaicensis
- Common Goldeneye Bucephala clangula
- Hooded Merganser Lophodytes cucullatus
- Bullock's Oriole Icterus bullockiorum
- American Avocet Recurvirostra americana
- Blue-winged Teal Spatula discors
- Ferruginous Hawk Buteo regalis
- Mangrove Warbler Setophaga petechia
- Eastern Kingbird Tyrannus tyrannus
- American Cliff Swallow Petrochelidon pyrrhonota
- Blue Jay Cyanocitta cristata
- Ring-necked Duck Aythya collaris
- Northern House Wren Troglodytes aedon
- American Goldfinch Spinus tristis
- Black-capped Chickadee Poecile atricapillus
- White-crowned Sparrow Zonotrichia leucophrys
- American Wigeon Mareca americana
- Downy Woodpecker Dryobates pubescens
- Great Horned Owl Bubo virginianus
- Vesper Sparrow Pooecetes gramineus
- Lark Bunting Calamospiza melanocorys
- Western Wood Pewee Contopus sordidulus
- Belted Kingfisher Megaceryle alcyon
- Tree Swallow Tachycineta bicolor
- Eurasian Collared Dove Streptopelia decaocto
- Burrowing Owl Athene cunicularia
- Common Merganser Mergus merganser
- Canvasback Aythya valisineria
- Common Yellowthroat Geothlypis trichas
- American Tree Sparrow Spizelloides arborea
- Western Grebe Aechmophorus occidentalis
- Brown-headed Cowbird Molothrus ater
- Cinnamon Teal Spatula cyanoptera
- Chipping Sparrow Spizella passerina
- Dark-eyed Junco Junco hyemalis
- Grasshopper Sparrow Ammodramus savannarum
- Cackling Goose Branta hutchinsii
- Spotted Sandpiper Actitis macularius
- Yellow-headed Blackbird Xanthocephalus xanthocephalus
- Blue Grosbeak Passerina caerulea
- White-breasted Nuthatch Sitta carolinensis
- Loggerhead Shrike Lanius ludovicianus
- Sage Thrasher Oreoscoptes montanus
- Greater Yellowlegs Tringa melanoleuca
- Northern Pintail Anas acuta
- Black-necked Grebe Podiceps nigricollis
- Turkey Vulture Cathartes aura
- Rock Wren Salpinctes obsoletus
- Prairie Falcon Falco mexicanus
- Myrtle Warbler Setophaga coronata
- Northern Rough-winged Swallow Stelgidopteryx serripennis
- Black-crowned Night Heron Nycticorax nycticorax
- House Sparrow Passer domesticus
- Cooper's Hawk Astur cooperii
- Brewer's Blackbird Euphagus cyanocephalus
- Brewer's Sparrow Spizella breweri
- Long-billed Dowitcher Limnodromus scolopaceus
- Northern Mockingbird Mimus polyglottos
- Sand Martin Riparia riparia
- American Herring Gull Larus smithsonianus
- Mountain Bluebird Sialia currucoides
- California Gull Larus californicus
- Hairy Woodpecker Leuconotopicus villosus
- Rough-legged Buzzard Buteo lagopus
- Merlin Falco columbarius
- Blue-grey Gnatcatcher Polioptila caerulea
- Savannah Sparrow Passerculus sandwichensis
- Spotted Towhee Pipilo maculatus
- Wilson's Snipe Gallinago delicata
- Northern Raven Corvus corax
- Osprey Pandion haliaetus
- Clay-colored Sparrow Spizella pallida
- Eastern Warbling Vireo Vireo gilvus
- Townsend's Solitaire Myadestes townsendi
- Wood Duck Aix sponsa
- Wilson's Phalarope Phalaropus tricolor
- White-faced Ibis Plegadis chihi
- Marsh Wren Cistothorus palustris
- Violet-green Swallow Tachycineta thalassina
- Northern Shrike Lanius borealis
- Wild Turkey Meleagris gallopavo
- Virginia Rail Rallus limicola
- Solitary Sandpiper Tringa solitaria
- Lesser Black-backed Gull Larus fuscus
- Sora Porzana carolina
- Western Cattle Egret Ardea ibis
- Wilson's Warbler Cardellina pusilla
- Great Egret Ardea alba
- Least Sandpiper Calidris minutilla
- Lazuli Bunting Passerina amoena
- Great-tailed Grackle Quiscalus mexicanus
- Common Nighthawk Chordeiles minor
- Baird's Sandpiper Calidris bairdii
- Franklin's Gull Leucophaeus pipixcan
- Harris's Sparrow Zonotrichia querula
- Lincoln's Sparrow Melospiza lincolnii
- Willet Tringa semipalmata
- Sharp-shinned Hawk Accipiter striatus
- Green-tailed Towhee Pipilo chlorurus
- Broad-tailed Hummingbird Selasphorus platycercus
- American Pipit Anthus rubescens
- Orange-crowned Warbler Leiothlypis celata
- Yellow-breasted Chat Icteria virens
- Cassin's Sparrow Peucaea cassinii
- Grey Catbird Dumetella carolinensis
- Orchard Oriole Icterus spurius
- Greater Scaup Aythya marila
- Western Tanager Piranga ludoviciana
- Black-necked Stilt Himantopus mexicanus
- Red-breasted Merganser Mergus serrator
- Black-headed Grosbeak Pheucticus melanocephalus
- Peregrine Falcon Falco peregrinus
- Sandhill Crane Antigone canadensis
- Common Loon Gavia immer
- Snow Goose Anser caerulescens
- Lesser Goldfinch Spinus psaltria
- Ruby-crowned Kinglet Corthylio calendula
- Common Pheasant Phasianus colchicus
- Red-headed Woodpecker Melanerpes erythrocephalus
- Eastern Phoebe Sayornis phoebe
- Swainson's Thrush Catharus ustulatus
- Hermit Thrush Catharus guttatus
- Long-billed Curlew Numenius americanus
- Brown Creeper Certhia americana
- Brown Thrasher Toxostoma rufum
- American Barn Owl Tyto furcata
- Cedar Waxwing Bombycilla cedrorum
- Eastern Bluebird Sialia sialis
- Dickcissel Spiza americana
- Stilt Sandpiper Calidris himantopus
- Red-necked Phalarope Phalaropus lobatus
- Semipalmated Sandpiper Calidris pusilla
- Clark's Grebe Aechmophorus clarkii
- Bonaparte's Gull Chroicocephalus philadelphia
- Swamp Sparrow Melospiza georgiana
- Willow Flycatcher Empidonax traillii
- Pine Siskin Spinus pinus
- Mississippi Kite Ictinia mississippiensis
- American Bushtit Psaltriparus minimus
- Cassin's Kingbird Tyrannus vociferans
- Red-breasted Nuthatch Sitta canadensis
- Barrow's Goldeneye Bucephala islandica
- Olive-sided Flycatcher Contopus cooperi
- American Dusky Flycatcher Empidonax oberholseri
- Black-chinned Hummingbird Archilochus alexandri
- Surf Scoter Melanitta perspicillata
- Semipalmated Plover Charadrius semipalmatus
- Greater White-fronted Goose Anser albifrons
- Marbled Godwit Limosa fedoa
- Upland Sandpiper Bartramia longicauda
- Forster's Tern Sterna forsteri
- Townsend's Warbler Setophaga townsendi
- Least Flycatcher Empidonax minimus
- MacGillivray's Warbler Geothlypis tolmiei
- Trumpeter Swan Cygnus buccinator
- Western Sandpiper Calidris mauri
- Plumbeous Vireo Vireo plumbeus
- Pectoral Sandpiper Calidris melanotos
- Lapland Longspur Calcarius lapponicus
- Short-eared Owl Asio flammeus
- American Redstart Setophaga ruticilla
- Pacific Loon Gavia pacifica
- Black Tern Chlidonias niger
- White-throated Sparrow Zonotrichia albicollis
- Green Heron Butorides virescens
- Indigo Bunting Passerina cyanea
- White-winged Dove Zenaida asiatica
- Chimney Swift Chaetura pelagica
- Eurasian Whimbrel Numenius phaeopus
- Broad-winged Hawk Buteo platypterus
- American Grey Flycatcher Empidonax wrightii
- Tundra Swan Cygnus columbianus
- Mountain Chickadee Poecile gambeli
- Common Poorwill Phalaenoptilus nuttallii
- Golden-crowned Kinglet Regulus satrapa
- Iceland Gull Larus glaucoides
- Ross's Goose Anser rossii
- Red-eyed Vireo Vireo olivaceus
- Little Blue Heron Egretta caerulea
- Western Flycatcher Empidonax difficilis
- Hammond's Flycatcher Empidonax hammondii
- Virginia's Warbler Leiothlypis virginiae
- Rose-breasted Grosbeak Pheucticus ludovicianus
- Cassin's Vireo Vireo cassinii
- Rusty Blackbird Euphagus carolinus
- Caspian Tern Hydroprogne caspia
- Black-throated Sparrow Amphispiza bilineata
- Eastern Meadowlark Sturnella magna
- American Bittern Botaurus lentiginosus
- Scarlet Tanager Piranga olivacea
- Blackpoll Warbler Setophaga striata
- Veery Catharus fuscescens
- Sanderling Calidris alba
- Nashville Warbler Leiothlypis ruficapilla
- Winter Wren Troglodytes hiemalis
- Chukar Partridge Alectoris chukar
- Northern Bobwhite Colinus virginianus
- Western Bluebird Sialia mexicana
- Field Sparrow Spizella pusilla
- Northern Waterthrush Parkesia noveboracensis
- Rufous Hummingbird Selasphorus rufus
- Red-naped Sapsucker Sphyrapicus nuchalis
- Woodhouse's Scrub Jay Aphelocoma woodhouseii
- Palm Warbler Setophaga palmarum
- Evening Grosbeak Hesperiphona vespertina
- Black-throated Grey Warbler Setophaga nigrescens
- Laughing Gull Leucophaeus atricilla
- American White Ibis Eudocimus albus
- Ovenbird Seiurus aurocapilla
- Vermilion Flycatcher Pyrocephalus rubinus
- Sabine's Gull Xema sabini
- Redpoll Acanthis flammea
- Red Crossbill Loxia curvirostra
- Thick-billed Longspur Rhynchophanes mccownii
- Eastern Screech Owl Megascops asio
- Ash-throated Flycatcher Myiarchus cinerascens
- Magnolia Warbler Setophaga magnolia
- Curve-billed Thrasher Toxostoma curvirostre
- Tennessee Warbler Leiothlypis peregrina
- Black Scoter Melanitta americana
- Scissor-tailed Flycatcher Tyrannus forficatus
- Scaled Quail Callipepla squamata
- Bobolink Dolichonyx oryzivorus
- Summer Tanager Piranga rubra
- Hooded Warbler Setophaga citrina
- Prairie Warbler Setophaga discolor
- Canyon Towhee Melozone fusca
- Baltimore Oriole Icterus galbula
- Calliope Hummingbird Selasphorus calliope
- Great Crested Flycatcher Myiarchus crinitus
- American Golden Plover Pluvialis dominica
- Black-throated Blue Warbler Setophaga caerulescens
- Yellow-bellied Sapsucker Sphyrapicus varius
- Northern Saw-whet Owl Aegolius acadicus
- Chestnut-collared Longspur Calcarius ornatus
- Short-billed Gull Larus brachyrhynchus
Most recorded first. Species we protect from disturbance aren't listed.
Questions
When is the best time to go birding at Rocky Mountain Arsenal NWR?
May and September. That's when the most species are seen regularly here, up to 190 in a month.
How many bird species have been seen at Rocky Mountain Arsenal NWR?
274 species, from 204,274 eBird records up to 2024-12-31.
What birds can I see at Rocky Mountain Arsenal NWR in November?
The most recorded in November: Black-billed Magpie, Red-tailed Hawk, Ring-billed Gull, Canada Goose and Mallard.
eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.