United States · Oregon
Koll Center Wetlands Area
198 species and 161,650 records in eBird up to 2024-12-31.
Best months: February–May and September–November, with up to 118 species seen regularly.
Seen here in November
MallardAnas platyrhynchos
American CrowCorvus brachyrhynchos
Pied-billed GrebePodilymbus podiceps
Common MerganserMergus merganser
Great EgretArdea alba
American CootFulica americana
Great Blue HeronArdea herodias
Canada GooseBranta canadensis
GadwallMareca strepera
Northern ShovelerSpatula clypeata
Belted KingfisherMegaceryle alcyon
Eurasian TealAnas crecca
Song SparrowMelospiza melodia
American RobinTurdus migratoriusSpecies seen regularly, by month
Species with 3 or more records in that month, all years combined.
Nearby hotspots
- Tualatin River NWR – Atfálat'i Unit9 km221 species
- Tualatin River NWR9 km214 species
- Pittock Mansion10 km149 species
- Oaks Bottom Wildlife Refuge11 km213 species
- Jackson Bottom Wetlands Preserve16 km213 species
- Mt. Tabor Park17 km191 species
All 198 species recorded here
- Mallard Anas platyrhynchos
- American Crow Corvus brachyrhynchos
- Canada Goose Branta canadensis
- Pied-billed Grebe Podilymbus podiceps
- American Coot Fulica americana
- Gadwall Mareca strepera
- Song Sparrow Melospiza melodia
- Great Blue Heron Ardea herodias
- Red-winged Blackbird Agelaius phoeniceus
- Eurasian Teal Anas crecca
- Northern Shoveler Spatula clypeata
- Great Egret Ardea alba
- Northern Flicker Colaptes auratus
- Black-capped Chickadee Poecile atricapillus
- American Robin Turdus migratorius
- California Scrub Jay Aphelocoma californica
- Dark-eyed Junco Junco hyemalis
- House Finch Haemorhous mexicanus
- Ring-necked Duck Aythya collaris
- Bufflehead Bucephala albeola
- Anna's Hummingbird Calypte anna
- Belted Kingfisher Megaceryle alcyon
- Common Merganser Mergus merganser
- Spotted Towhee Pipilo maculatus
- Mourning Dove Zenaida macroura
- Myrtle Warbler Setophaga coronata
- Killdeer Charadrius vociferus
- Barn Swallow Hirundo rustica
- Bewick's Wren Thryomanes bewickii
- Wood Duck Aix sponsa
- Ruddy Duck Oxyura jamaicensis
- Red-tailed Hawk Buteo jamaicensis
- American Wigeon Mareca americana
- Violet-green Swallow Tachycineta thalassina
- Black-crowned Night Heron Nycticorax nycticorax
- Cedar Waxwing Bombycilla cedrorum
- Cackling Goose Branta hutchinsii
- Tree Swallow Tachycineta bicolor
- American Goldfinch Spinus tristis
- Lesser Goldfinch Spinus psaltria
- Bald Eagle Haliaeetus leucocephalus
- Double-crested Cormorant Nannopterum auritum
- Downy Woodpecker Dryobates pubescens
- American Bushtit Psaltriparus minimus
- Common Starling Sturnus vulgaris
- Green Heron Butorides virescens
- Ruby-crowned Kinglet Corthylio calendula
- Greater Yellowlegs Tringa melanoleuca
- Hooded Merganser Lophodytes cucullatus
- Common Yellowthroat Geothlypis trichas
- Band-tailed Pigeon Patagioenas fasciata
- Vaux's Swift Chaetura vauxi
- White-breasted Nuthatch Sitta carolinensis
- Black Phoebe Sayornis nigricans
- American Cliff Swallow Petrochelidon pyrrhonota
- Canvasback Aythya valisineria
- Brown-headed Cowbird Molothrus ater
- Lesser Scaup Aythya affinis
- Red-breasted Nuthatch Sitta canadensis
- Glaucous-winged Gull Larus glaucescens
- Least Sandpiper Calidris minutilla
- Spotted Sandpiper Actitis macularius
- Long-billed Dowitcher Limnodromus scolopaceus
- Osprey Pandion haliaetus
- Golden-crowned Sparrow Zonotrichia atricapilla
- Cooper's Hawk Astur cooperii
- Red Fox Sparrow Passerella iliaca
- Red-breasted Sapsucker Sphyrapicus ruber
- Black-headed Grosbeak Pheucticus melanocephalus
- American Herring Gull Larus smithsonianus
- Pine Siskin Spinus pinus
- Brown Creeper Certhia americana
- Northern Pintail Anas acuta
- Orange-crowned Warbler Leiothlypis celata
- Virginia Rail Rallus limicola
- Purple Finch Haemorhous purpureus
- Greater White-fronted Goose Anser albifrons
- American White Pelican Pelecanus erythrorhynchos
- Marsh Wren Cistothorus palustris
- Wilson's Snipe Gallinago delicata
- Golden-crowned Kinglet Regulus satrapa
- Mangrove Warbler Setophaga petechia
- Turkey Vulture Cathartes aura
- Wilson's Warbler Cardellina pusilla
- Western Sandpiper Calidris mauri
- Western Wood Pewee Contopus sordidulus
- Red-shouldered Hawk Buteo lineatus
- Steller's Jay Cyanocitta stelleri
- Western Tanager Piranga ludoviciana
- Cinnamon Teal Spatula cyanoptera
- House Sparrow Passer domesticus
- Eastern Warbling Vireo Vireo gilvus
- Sharp-shinned Hawk Accipiter striatus
- Hermit Thrush Catharus guttatus
- Merlin Falco columbarius
- Northern Rough-winged Swallow Stelgidopteryx serripennis
- White-crowned Sparrow Zonotrichia leucophrys
- Northern Mockingbird Mimus polyglottos
- Eurasian Collared Dove Streptopelia decaocto
- Pectoral Sandpiper Calidris melanotos
- Blue-winged Teal Spatula discors
- Rock Dove Columba livia
- Townsend's Solitaire Myadestes townsendi
- Red-necked Phalarope Phalaropus lobatus
- Grey Catbird Dumetella carolinensis
- Common Goldeneye Bucephala clangula
- Ring-billed Gull Larus delawarensis
- Acorn Woodpecker Melanerpes formicivorus
- Townsend's Warbler Setophaga townsendi
- Greater Scaup Aythya marila
- Chestnut-backed Chickadee Poecile rufescens
- California Gull Larus californicus
- Tundra Swan Cygnus columbianus
- Brewer's Blackbird Euphagus cyanocephalus
- Redhead Aythya americana
- Iceland Gull Larus glaucoides
- Barred Owl Strix varia
- Sand Martin Riparia riparia
- Willow Flycatcher Empidonax traillii
- Blue Grosbeak Passerina caerulea
- Savannah Sparrow Passerculus sandwichensis
- Black-throated Grey Warbler Setophaga nigrescens
- Varied Thrush Ixoreus naevius
- Lincoln's Sparrow Melospiza lincolnii
- Say's Phoebe Sayornis saya
- Purple Martin Progne subis
- Swainson's Thrush Catharus ustulatus
- Western Grebe Aechmophorus occidentalis
- American Bittern Botaurus lentiginosus
- Solitary Sandpiper Tringa solitaria
- Hairy Woodpecker Leuconotopicus villosus
- Northern Raven Corvus corax
- Peregrine Falcon Falco peregrinus
- Pacific Wren Troglodytes pacificus
- Red-breasted Merganser Mergus serrator
- Western Gull Larus occidentalis
- White-faced Ibis Plegadis chihi
- Rufous Hummingbird Selasphorus rufus
- Hutton's Vireo Vireo huttoni
- American Kestrel Falco sparverius
- Northern Harrier Circus hudsonius
- White-winged Scoter Melanitta deglandi
- Nashville Warbler Leiothlypis ruficapilla
- Semipalmated Plover Charadrius semipalmatus
- Western Flycatcher Empidonax difficilis
- Wilson's Phalarope Phalaropus tricolor
- Short-billed Gull Larus brachyrhynchus
- Surf Scoter Melanitta perspicillata
- Evening Grosbeak Hesperiphona vespertina
- Snow Goose Anser caerulescens
- Emperor Goose Anser canagicus
- Sora Porzana carolina
- White-throated Sparrow Zonotrichia albicollis
- American Pipit Anthus rubescens
- Red-necked Grebe Podiceps grisegena
- Bonaparte's Gull Chroicocephalus philadelphia
- Swamp Sparrow Melospiza georgiana
- Red Crossbill Loxia curvirostra
- Dunlin Calidris alpina
- Eurasian Wigeon Mareca penelope
- Sandhill Crane Antigone canadensis
- Semipalmated Sandpiper Calidris pusilla
- Lazuli Bunting Passerina amoena
- Western Kingbird Tyrannus verticalis
- Western Meadowlark Sturnella neglecta
- Hammond's Flycatcher Empidonax hammondii
- Common Pheasant Phasianus colchicus
- Chipping Sparrow Spizella passerina
- Glaucous Gull Larus hyperboreus
- Pileated Woodpecker Dryocopus pileatus
- California Quail Callipepla californica
- Lark Sparrow Chondestes grammacus
- Yellow-headed Blackbird Xanthocephalus xanthocephalus
- Eastern Kingbird Tyrannus tyrannus
- Brewer's Sparrow Spizella breweri
- American Barn Owl Tyto furcata
- Western Bluebird Sialia mexicana
- Eastern Phoebe Sayornis phoebe
- Caspian Tern Hydroprogne caspia
- Trumpeter Swan Cygnus buccinator
- Great Horned Owl Bubo virginianus
- American Dusky Flycatcher Empidonax oberholseri
- Bullock's Oriole Icterus bullockiorum
- American Black Swift Cypseloides niger
- Cassin's Vireo Vireo cassinii
- Olive-sided Flycatcher Contopus cooperi
- Broad-winged Hawk Buteo platypterus
- Northern Shrike Lanius borealis
- Northern House Wren Troglodytes aedon
- Calliope Hummingbird Selasphorus calliope
- MacGillivray's Warbler Geothlypis tolmiei
- Monk Parakeet Myiopsitta monachus
- Greylag Goose Anser anser
- Lewis's Woodpecker Melanerpes lewis
- Western Screech Owl Megascops kennicottii
- Sabine's Gull Xema sabini
- Heermann's Gull Larus heermanni
- Rough-legged Buzzard Buteo lagopus
Most recorded first. Species we protect from disturbance aren't listed.
Questions
When is the best time to go birding at Koll Center Wetlands Area?
February–May and September–November. That's when the most species are seen regularly here, up to 118 in a month.
How many bird species have been seen at Koll Center Wetlands Area?
198 species, from 161,650 eBird records up to 2024-12-31.
What birds can I see at Koll Center Wetlands Area in November?
The most recorded in November: Mallard, American Crow, Pied-billed Grebe, Common Merganser and Great Egret.
eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.