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Bird List
Updated ~3 seconds ago
112
All Years
0
This Year
2025
0
This Month
Feb 2025
Last Observed
First Observed
High Count
Custom Time Period
Change Time Period
Event
GBBC—14-17 Feb 2025
October Big Day—12 Oct 2024
Global Big Day—11 May 2024
GBBC—16-19 Feb 2024
October Big Day—14 Oct 2023
Global Big Day—13 May 2023
GBBC—17-20 Feb 2023
October Big Day—8 Oct 2022
Global Big Day—14 May 2022
GBBC—18-21 Feb 2022
October Big Day—9 Oct 2021
Global Big Day—8 May 2021
GBBC—12-15 Feb 2021
October Big Day—17 Oct 2020
Global Big Day—9 May 2020
GBBC—14-17 Feb 2020
October Big Day—19 Oct 2019
Global Big Day—4 May 2019
GBBC—15-18 Feb 2019
October Big Day—6 Oct 2018
Global Big Day—5 May 2018
GBBC—16-19 Feb 2018
Global Big Day—13 May 2017
GBBC—17-20 Feb 2017
Global Big Day—14 May 2016
GBBC—12-15 Feb 2016
Global Big Day—9 May 2015
GBBC—13-16 Feb 2015
GBBC—14-17 Feb 2014
GBBC—15-18 Feb 2013
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All Months
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Feb
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Sort by
Taxonomic
Date: Oldest First
Date: Newest First
Highest Count
Show details
Species Name
Count
Date
Observer
Location
Native and Naturalized (112)
Double-crested Cormorant
Nannopterum auritum
#
Count:
X
Date:
13 Feb 1999
Observer:
Erik Knight
Location:
Tualatin River NWR--Dennis
Bald Eagle
Haliaeetus leucocephalus
#
Count:
4
Date:
13 Feb 1999
Observer:
Erik Knight
Location:
Tualatin River NWR--Dennis
American Barn Owl
Tyto furcata
#
Count:
3
Date:
13 Feb 1999
Observer:
Erik Knight
Location:
Tualatin River NWR--Dennis
Pacific Wren
Troglodytes pacificus
#
Count:
X
Date:
13 Feb 1999
Observer:
Erik Knight
Location:
Tualatin River NWR--Dennis
Fox Sparrow
Passerella iliaca
#
Count:
X
Date:
13 Feb 1999
Observer:
Erik Knight
Location:
Tualatin River NWR--Dennis
Snowy Egret
Egretta thula
#
Count:
1
Date:
4 Aug 2004
Observer:
Greg Gillson
Location:
Tualatin River NWR--Dennis
Show details
Details:
Canvasback
Aythya valisineria
#
Count:
X
Date:
2 Mar 2007
Observer:
Trevor Wister
Location:
Tualatin River NWR--Dennis
Redhead
Aythya americana
#
Count:
X
Date:
2 Mar 2007
Observer:
Trevor Wister
Location:
Tualatin River NWR--Dennis
Cackling Goose
Branta hutchinsii
#
Count:
350
Date:
11 Oct 2007
Observer:
Mike Green
Location:
Tualatin River NWR--Dennis
Virginia Rail
Rallus limicola
#
Count:
2
Date:
11 Oct 2007
Observer:
Mike Green
Location:
Tualatin River NWR--Dennis
American Pipit
Anthus rubescens
#
Count:
3
Date:
11 Oct 2007
Observer:
Mike Green
Location:
Tualatin River NWR--Dennis
White-crowned Sparrow
Zonotrichia leucophrys
#
Count:
2
Date:
11 Oct 2007
Observer:
Mike Green
Location:
Tualatin River NWR--Dennis
Pine Siskin
Spinus pinus
#
Count:
X
Date:
15 Sep 2011
Observer:
Joe Prochaska
Location:
Tualatin River NWR--Dennis
Lesser Scaup
Aythya affinis
#
Count:
5
Date:
7 Apr 2014
Observer:
Colby Neuman
Location:
Tualatin River NWR--Dennis
American Coot
Fulica americana
#
Count:
50
Date:
7 Apr 2014
Observer:
Colby Neuman
Location:
Tualatin River NWR--Dennis
Savannah Sparrow
Passerculus sandwichensis
#
Count:
2
Date:
7 Apr 2014
Observer:
Colby Neuman
Location:
Tualatin River NWR--Dennis
American Wigeon
Mareca americana
#
Count:
250
Date:
30 Dec 2014
Observer:
Doug Niwa
Location:
Tualatin River NWR--Dennis
Bufflehead
Bucephala albeola
#
Count:
24
Date:
13 Jan 2015
Observer:
Doug Niwa
Location:
Tualatin River NWR--Dennis
Green-winged Teal
Anas crecca
#
Count:
200
Date:
10 Feb 2015
Observer:
Doug Niwa
Location:
Tualatin River NWR--Dennis
American Crow
Corvus brachyrhynchos
#
Count:
14
Date:
10 Feb 2015
Observer:
Doug Niwa
Location:
Tualatin River NWR--Dennis
Ruddy Duck
Oxyura jamaicensis
#
Count:
3
Date:
24 Feb 2015
Observer:
Doug Niwa
Location:
Tualatin River NWR--Dennis
California Quail
Callipepla californica
#
Count:
4
Date:
21 May 2015
Observer:
Karen Chaivoe
Location:
Tualatin River NWR--Dennis
Red-tailed Hawk
Buteo jamaicensis
#
Count:
3
Date:
21 May 2015
Observer:
Karen Chaivoe
Location:
Tualatin River NWR--Dennis
Western Kingbird
Tyrannus verticalis
#
Count:
2
Date:
21 May 2015
Observer:
Karen Chaivoe
Location:
Tualatin River NWR--Dennis
Swainson's Thrush
Catharus ustulatus
#
Count:
2
Date:
21 May 2015
Observer:
Karen Chaivoe
Location:
Tualatin River NWR--Dennis
Purple Finch
Haemorhous purpureus
#
Count:
1
Date:
21 May 2015
Observer:
Karen Chaivoe
Location:
Tualatin River NWR--Dennis
Song Sparrow
Melospiza melodia
#
Count:
4
Date:
21 May 2015
Observer:
Karen Chaivoe
Location:
Tualatin River NWR--Dennis
Yellow-rumped Warbler
Setophaga coronata
#
Count:
2
Date:
21 May 2015
Observer:
Karen Chaivoe
Location:
Tualatin River NWR--Dennis
Lazuli Bunting
Passerina amoena
#
Count:
5
Date:
21 May 2015
Observer:
Karen Chaivoe
Location:
Tualatin River NWR--Dennis
Show details
Details:
Rock Pigeon
Columba livia
#
Count:
6
Date:
13 Feb 2017
Observer:
Jack Hurt
Location:
Tualatin River NWR--Dennis
California Scrub-Jay
Aphelocoma californica
#
Count:
6
Date:
13 Feb 2017
Observer:
Jack Hurt
Location:
Tualatin River NWR--Dennis
European Starling
Sturnus vulgaris
#
Count:
20
Date:
13 Feb 2017
Observer:
Jack Hurt
Location:
Tualatin River NWR--Dennis
Wilson's Snipe
Gallinago delicata
#
Count:
1
Date:
7 Mar 2017
Observer:
Jack Hurt
Location:
Tualatin River NWR--Dennis
Western Bluebird
Sialia mexicana
#
Count:
7
Date:
7 Mar 2017
Observer:
Jack Hurt
Location:
Tualatin River NWR--Dennis
Show details
Details:
Vaux's Swift
Chaetura vauxi
#
Count:
1
Date:
25 Jun 2018
Observer:
Doug Niwa
Location:
Tualatin River NWR--Dennis
Turkey Vulture
Cathartes aura
#
Count:
1
Date:
31 Aug 2019
Observer:
Bob Fletcher
Location:
Tualatin River NWR--Dennis
Chestnut-backed Chickadee
Poecile rufescens
#
Count:
1
Date:
31 Aug 2019
Observer:
Bob Fletcher
Location:
Tualatin River NWR--Dennis
Northern Rough-winged Swallow
Stelgidopteryx serripennis
#
Count:
11
Date:
31 Aug 2019
Observer:
Bob Fletcher
Location:
Tualatin River NWR--Dennis
Tundra Swan
Cygnus columbianus
#
Count:
5
Date:
15 Feb 2020
Observer:
Mickie Harshman
Location:
Tualatin River NWR--Dennis
Killdeer
Charadrius vociferus
#
Count:
6
Date:
15 Feb 2020
Observer:
Mickie Harshman
Location:
Tualatin River NWR--Dennis
Dark-eyed Junco
Junco hyemalis
#
Count:
40
Date:
15 Feb 2020
Observer:
Mickie Harshman
Location:
Tualatin River NWR--Dennis
Black-necked Stilt
Himantopus mexicanus
#
Count:
2
Date:
8 May 2020
Observer:
Deanna Mueller-Crispin
Location:
Tualatin River NWR--Dennis
Show details
Details:
Great Egret
Ardea alba
#
Count:
11
Date:
8 May 2020
Observer:
Deanna Mueller-Crispin
Location:
Tualatin River NWR--Dennis
Common Raven
Corvus corax
#
Count:
1
Date:
8 May 2020
Observer:
Deanna Mueller-Crispin
Location:
Tualatin River NWR--Dennis
Barn Swallow
Hirundo rustica
#
Count:
35
Date:
8 May 2020
Observer:
Deanna Mueller-Crispin
Location:
Tualatin River NWR--Dennis
Yellow-headed Blackbird
Xanthocephalus xanthocephalus
#
Count:
1
Date:
8 May 2020
Observer:
Deanna Mueller-Crispin
Location:
Tualatin River NWR--Dennis
Show details
Details:
Brewer's Blackbird
Euphagus cyanocephalus
#
Count:
X
Date:
8 May 2020
Observer:
Deanna Mueller-Crispin
Location:
Tualatin River NWR--Dennis
Orange-crowned Warbler
Leiothlypis celata
#
Count:
2
Date:
8 May 2020
Observer:
Deanna Mueller-Crispin
Location:
Tualatin River NWR--Dennis
Common Yellowthroat
Geothlypis trichas
#
Count:
6
Date:
8 May 2020
Observer:
Deanna Mueller-Crispin
Location:
Tualatin River NWR--Dennis
Eurasian Collared-Dove
Streptopelia decaocto
#
Count:
1
Date:
23 May 2020
Observer:
Max Smith
Location:
Tualatin River NWR--Dennis
Olive-sided Flycatcher
Contopus cooperi
#
Count:
1
Date:
23 May 2020
Observer:
Max Smith
Location:
Tualatin River NWR--Dennis
Northern House Wren
Troglodytes aedon
#
Count:
1
Date:
23 May 2020
Observer:
Max Smith
Location:
Tualatin River NWR--Dennis
Lesser Goldfinch
Spinus psaltria
#
Count:
2
Date:
23 May 2020
Observer:
Max Smith
Location:
Tualatin River NWR--Dennis
Chipping Sparrow
Spizella passerina
#
Count:
1
Date:
23 May 2020
Observer:
Max Smith
Location:
Tualatin River NWR--Dennis
Brown-headed Cowbird
Molothrus ater
#
Count:
2
Date:
23 May 2020
Observer:
Max Smith
Location:
Tualatin River NWR--Dennis
Yellow Warbler
Setophaga petechia
#
Count:
1
Date:
23 May 2020
Observer:
Max Smith
Location:
Tualatin River NWR--Dennis
House Finch
Haemorhous mexicanus
#
Count:
6
Date:
31 Aug 2020
Observer:
Jay Withgott
Location:
Tualatin River NWR--Dennis
American Goldfinch
Spinus tristis
#
Count:
6
Date:
31 Aug 2020
Observer:
Jay Withgott
Location:
Tualatin River NWR--Dennis
Great Blue Heron
Ardea herodias
#
Count:
5
Date:
27 Jun 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Red-breasted Sapsucker
Sphyrapicus ruber
#
Count:
3
Date:
27 Jun 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
American Robin
Turdus migratorius
#
Count:
19
Date:
27 Jun 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Spotted Towhee
Pipilo maculatus
#
Count:
5
Date:
27 Jun 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Mourning Dove
Zenaida macroura
#
Count:
3
Date:
21 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
American Bittern
Botaurus lentiginosus
#
Count:
2
Date:
21 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Great Horned Owl
Bubo virginianus
#
Count:
1
Date:
21 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
White-breasted Nuthatch
Sitta carolinensis
#
Count:
7
Date:
21 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Anna's Hummingbird
Calypte anna
#
Count:
5
Date:
29 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Downy Woodpecker
Dryobates pubescens
#
Count:
2
Date:
29 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Pileated Woodpecker
Dryocopus pileatus
#
Count:
2
Date:
29 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Western Wood-Pewee
Contopus sordidulus
#
Count:
2
Date:
29 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Brown Creeper
Certhia americana
#
Count:
1
Date:
29 Aug 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Canada Goose
Branta canadensis
#
Count:
500
Date:
16 Oct 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Cedar Waxwing
Bombycilla cedrorum
#
Count:
20
Date:
16 Oct 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Northern Pintail
Anas acuta
#
Count:
200
Date:
8 Nov 2021
Observer:
Anonymous eBirder
Location:
Tualatin River NWR--Dennis
Pied-billed Grebe
Podilymbus podiceps
#
Count:
3
Date:
5 Sep 2022
Observer:
Tim Sheils
Location:
Tualatin River NWR--Dennis
American White Pelican
Pelecanus erythrorhynchos
#
Count:
10
Date:
5 Sep 2022
Observer:
Tim Sheils
Location:
Tualatin River NWR--Dennis
Northern Shoveler
Spatula clypeata
#
Count:
81
Date:
19 Feb 2023
Observer:
Shawneen Finnegan
Location:
Tualatin River NWR--Dennis
Gadwall
Mareca strepera
#
Count:
6
Date:
19 Feb 2023
Observer:
Shawneen Finnegan
Location:
Tualatin River NWR--Dennis
Eurasian Wigeon
Mareca penelope
#
Count:
1
Date:
19 Feb 2023
Observer:
Shawneen Finnegan
Location:
Tualatin River NWR--Dennis
Ring-necked Duck
Aythya collaris
#
Count:
40
Date:
19 Feb 2023
Observer:
Shawneen Finnegan
Location:
Tualatin River NWR--Dennis
Red-shouldered Hawk
Buteo lineatus
#
Count:
1
Date:
19 Feb 2023
Observer:
Shawneen Finnegan
Location:
Tualatin River NWR--Dennis
Black Phoebe
Sayornis nigricans
#
Count:
1
Date:
19 Feb 2023
Observer:
Shawneen Finnegan
Location:
Tualatin River NWR--Dennis
Tree Swallow
Tachycineta bicolor
#
Count:
60
Date:
8 Apr 2023
Observer:
Shawneen Finnegan
Location:
Tualatin River NWR--Dennis
Violet-green Swallow
Tachycineta thalassina
#
Count:
40
Date:
8 Apr 2023
Observer:
Shawneen Finnegan
Location:
Tualatin River NWR--Dennis
Cinnamon Teal
Spatula cyanoptera
#
Count:
2
Date:
5 Jun 2023
Observer:
Jan Rodgers
Location:
Tualatin River NWR--Dennis
Mallard
Anas platyrhynchos
#
Count:
20
Date:
5 Jun 2023
Observer:
Jan Rodgers
Location:
Tualatin River NWR--Dennis
Osprey
Pandion haliaetus
#
Count:
5
Date:
5 Jun 2023
Observer:
Jan Rodgers
Location:
Tualatin River NWR--Dennis
Willow Flycatcher
Empidonax traillii
#
Count:
1
Date:
5 Jun 2023
Observer:
Jan Rodgers
Location:
Tualatin River NWR--Dennis
Purple Martin
Progne subis
#
Count:
10
Date:
5 Jun 2023
Observer:
Jan Rodgers
Location:
Tualatin River NWR--Dennis
Blue-winged Teal
Spatula discors
#
Count:
X
Date:
28 Jun 2023
Observer:
Starla Roels
Location:
Tualatin River NWR--Dennis
Sora
Porzana carolina
#
Count:
X
Date:
28 Jun 2023
Observer:
Starla Roels
Location:
Tualatin River NWR--Dennis
Spotted Sandpiper
Actitis macularius
#
Count:
X
Date:
28 Jun 2023
Observer:
Starla Roels
Location:
Tualatin River NWR--Dennis
Western Flycatcher
Empidonax difficilis
#
Count:
1
Date:
28 Jun 2023
Observer:
Starla Roels
Location:
Tualatin River NWR--Dennis
Black-headed Grosbeak
Pheucticus melanocephalus
#
Count:
1
Date:
28 Jun 2023
Observer:
Starla Roels
Location:
Tualatin River NWR--Dennis
Common Goldeneye
Bucephala clangula
#
Count:
1
Date:
16 Dec 2023
Observer:
Rae Snyder
Location:
Tualatin River NWR--Dennis
Greater Yellowlegs
Tringa melanoleuca
#
Count:
1
Date:
16 Dec 2023
Observer:
Rae Snyder
Location:
Tualatin River NWR--Dennis
Northern Harrier
Circus hudsonius
#
Count:
1
Date:
16 Dec 2023
Observer:
Rae Snyder
Location:
Tualatin River NWR--Dennis
Northern Flicker
Colaptes auratus
#
Count:
3
Date:
16 Dec 2023
Observer:
Rae Snyder
Location:
Tualatin River NWR--Dennis
American Kestrel
Falco sparverius
#
Count:
2
Date:
16 Dec 2023
Observer:
Rae Snyder
Location:
Tualatin River NWR--Dennis
Steller's Jay
Cyanocitta stelleri
#
Count:
4
Date:
16 Dec 2023
Observer:
Rae Snyder
Location:
Tualatin River NWR--Dennis
Black-capped Chickadee
Poecile atricapillus
#
Count:
9
Date:
16 Dec 2023
Observer:
Rae Snyder
Location:
Tualatin River NWR--Dennis
Bushtit
Psaltriparus minimus
#
Count:
21
Date:
16 Dec 2023
Observer:
Rae Snyder
Location:
Tualatin River NWR--Dennis
Ruby-crowned Kinglet
Corthylio calendula
#
Count:
3
Date:
16 Dec 2023
Observer:
Rae Snyder