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Bird List

Updated ~8 seconds ago
142 All Years 68 This Year 2024 0 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (142)

  1. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Grace Thornton
    Location: Potter Slough
  2. Yellow Warbler Setophaga petechia
    # Count: 2
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  3. Greater White-fronted Goose Anser albifrons
    # Count: 45
    Date:
    Observer: Grace Thornton
    Location: Potter Slough
  4. Wilson's Warbler Cardellina pusilla
    # Count: 5
    Date:
    Observer: Grace Thornton
    Location: Potter Slough
  5. Marbled Godwit Limosa fedoa
    # Count: 1
    Date:
    Observer: Krzysztof Kurylowicz
    Location: Potter Slough
  6. Mallard Anas platyrhynchos
    # Count: 300
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  7. Common Goldeneye Bucephala clangula
    # Count: 4
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  8. Red-tailed Hawk Buteo jamaicensis
    # Count: 2
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  9. Marsh Wren Cistothorus palustris
    # Count: 27
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  10. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 16
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  11. Song Sparrow Melospiza melodia
    # Count: 28
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  12. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 2
    Date:
    Observer: Andrew Emlen
    Location: Potter Slough
  13. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 129
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  14. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 7
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  15. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Liam Hutcheson
    Location: Potter Slough
  16. Great Horned Owl Bubo virginianus
    # Count: 2
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  17. American Avocet Recurvirostra americana
    # Count: 1
    Date:
    Observer: Jason McKinney
    Location: Potter Slough
  18. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Liam Hutcheson
    Location: Potter Slough
  19. Baird's Sandpiper Calidris bairdii
    # Count: 2
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  20. Lincoln's Sparrow Melospiza lincolnii
    # Count: 6
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  21. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 6
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  22. Great Egret Ardea alba
    # Count: 2
    Date:
    Observer: Tim Shelmerdine
    Location: Potter Slough
  23. Blue-winged Teal Spatula discors
    # Count: 1
    Date:
    Observer: Matt SM
    Location: Potter Slough
  24. Chestnut-backed Chickadee Poecile rufescens
    # Count: 2
    Date:
    Observer: Matt SM
    Location: Potter Slough
  25. American Pipit Anthus rubescens
    # Count: 14
    Date:
    Observer: Matt SM
    Location: Potter Slough
  26. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Alan Moss
    Location: Potter Slough
  27. Lesser Yellowlegs Tringa flavipes
    # Count: 7
    Date:
    Observer: Alan Moss
    Location: Potter Slough
  28. Stilt Sandpiper Calidris himantopus
    # Count: 1
    Date:
    Observer: Alan Moss
    Location: Potter Slough
  29. Brown Pelican Pelecanus occidentalis
    # Count: 8
    Date:
    Observer: Alan Moss
    Location: Potter Slough
  30. Purple Martin Progne subis
    # Count: 2
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  31. Common Yellowthroat Geothlypis trichas
    # Count: 9
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  32. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  33. Willow Flycatcher Empidonax traillii
    # Count: 2
    Date:
    Observer: Taylour Stephens
    Location: Potter Slough
  34. California Scrub-Jay Aphelocoma californica
    # Count: 2
    Date:
    Observer: Taylour Stephens
    Location: Potter Slough
  35. American White Pelican Pelecanus erythrorhynchos
    # Count: 18
    Date:
    Observer: Dick Porter
    Location: Potter Slough
  36. Rock Pigeon Columba livia
    # Count: 6
    Date:
    Observer: Eric Evans
    Location: Potter Slough
  37. Bald Eagle Haliaeetus leucocephalus
    # Count: 3
    Date:
    Observer: Lindsey Watts
    Location: Potter Slough
  38. Wood Duck Aix sponsa
    # Count: 8
    Date:
    Observer: Kyle Leader
    Location: Potter Slough
  39. European Starling Sturnus vulgaris
    # Count: 50
    Date:
    Observer: Rachel Rothberg
    Location: Potter Slough
  40. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: M. Rogers
    Location: Potter Slough
  41. Wilson's Snipe Gallinago delicata
    # Count: 3
    Date:
    Observer: M. Rogers
    Location: Potter Slough
  42. Northern Flicker Colaptes auratus
    # Count: 4
    Date:
    Observer: M. Rogers
    Location: Potter Slough
  43. Virginia Rail Rallus limicola
    # Count: 8
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  44. Red Crossbill Loxia curvirostra
    # Count: 10
    Date:
    Observer: Alex Patia
    Location: Potter Slough
  45. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Rachel Hudson
    Location: Potter Slough
  46. Common Raven Corvus corax
    # Count: 5
    Date:
    Observer: Frank Brown
    Location: Potter Slough
  47. Semipalmated Plover Charadrius semipalmatus
    # Count: 83
    Date:
    Observer: H Saunders
    Location: Potter Slough
  48. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Tate Pyle
    Location: Potter Slough
  49. Dark-eyed Junco Junco hyemalis
    # Count: 25
    Date:
    Observer: Janine Schutt
    Location: Potter Slough
  50. Ring-necked Duck Aythya collaris
    # Count: 75
    Date:
    Observer: Scott Schroeder
    Location: Potter Slough
  51. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: John Grettenberger
    Location: Potter Slough
  52. Swainson's Thrush Catharus ustulatus
    # Count: 2
    Date:
    Observer: Daniel Froehlich
    Location: Potter Slough
  53. Red-winged Blackbird Agelaius phoeniceus
    # Count: 85
    Date:
    Observer: Daniel Froehlich
    Location: Potter Slough
  54. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  55. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Eric Hope
    Location: Potter Slough
  56. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Bill Tweit
    Location: Potter Slough
  57. Canvasback Aythya valisineria
    # Count: 1
    Date:
    Observer: Joe Veverka
    Location: Potter Slough
  58. Turkey Vulture Cathartes aura
    # Count: 6
    Date:
    Observer: Eric Demers
    Location: Potter Slough
  59. Savannah Sparrow Passerculus sandwichensis
    # Count: 40
    Date:
    Observer: Eric Demers
    Location: Potter Slough
  60. Willet Tringa semipalmata
    # Count: 4
    Date:
    Observer: Chris Warlow
    Location: Potter Slough
  61. Gadwall Mareca strepera
    # Count: 30
    Date:
    Observer: Bradley Waggoner
    Location: Potter Slough
  62. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Blair Bernson
    Location: Potter Slough
  63. Red-breasted Merganser Mergus serrator
    # Count: 2
    Date:
    Observer: Blair Bernson
    Location: Potter Slough
  64. Horned Grebe Podiceps auritus
    # Count: 3
    Date:
    Observer: Blair Bernson
    Location: Potter Slough
  65. Red-necked Grebe Podiceps grisegena
    # Count: 3
    Date:
    Observer: Blair Bernson
    Location: Potter Slough
  66. Western Grebe Aechmophorus occidentalis
    # Count: 15
    Date:
    Observer: Blair Bernson
    Location: Potter Slough
  67. Steller's Jay Cyanocitta stelleri
    # Count: 16
    Date:
    Observer: Jon. Anderson
    Location: Potter Slough
  68. Northern Harrier Circus hudsonius
    # Count: 3
    Date:
    Observer: Bradley Waggoner
    Location: Potter Slough
  69. Ruddy Duck Oxyura jamaicensis
    # Count: 5
    Date:
    Observer: Bill Tweit
    Location: Potter Slough
  70. American Coot Fulica americana
    # Count: 150
    Date:
    Observer: Bill Tweit
    Location: Potter Slough
  71. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Ryan Shaw
    Location: Potter Slough
  72. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Ryan Shaw
    Location: Potter Slough
  73. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Ryan Shaw
    Location: Potter Slough
  74. Dunlin Calidris alpina
    # Count: 1000
    Date:
    Observer: Wayne Weber
    Location: Potter Slough
  75. Western Gull Larus occidentalis
    # Count: 10
    Date:
    Observer: Wayne Weber
    Location: Potter Slough
  76. Pied-billed Grebe Podilymbus podiceps
    # Count: 16
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  77. California Gull Larus californicus
    # Count: 35
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  78. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  79. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 18
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  80. Bufflehead Bucephala albeola
    # Count: 21
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  81. Hooded Merganser Lophodytes cucullatus
    # Count: 7
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  82. Purple Finch Haemorhous purpureus
    # Count: 1
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  83. Canada Goose Branta canadensis
    # Count: 1000
    Date:
    Observer: Rick Taylor
    Location: Potter Slough
  84. Glaucous-winged Gull Larus glaucescens
    # Count: 10
    Date:
    Observer: Rick Taylor
    Location: Potter Slough
  85. Northern Shoveler Spatula clypeata
    # Count: 50
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  86. Greater Scaup Aythya marila
    # Count: 20
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  87. Peregrine Falcon Falco peregrinus
    # Count: 2
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  88. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Randy Robinson
    Location: Potter Slough
  89. Cackling Goose Branta hutchinsii
    # Count: 1500
    Date:
    Observer: Andy Stepniewski
    Location: Potter Slough
  90. American Wigeon Mareca americana
    # Count: 1500
    Date:
    Observer: Andy Stepniewski
    Location: Potter Slough
  91. Northern Pintail Anas acuta
    # Count: 500
    Date:
    Observer: Andy Stepniewski
    Location: Potter Slough
  92. Green-winged Teal Anas crecca
    # Count: 700
    Date:
    Observer: Andy Stepniewski
    Location: Potter Slough
  93. Black-bellied Plover Pluvialis squatarola
    # Count: 60
    Date:
    Observer: Andy Stepniewski
    Location: Potter Slough
  94. Short-billed Gull Larus brachyrhynchus
    # Count: 5
    Date:
    Observer: Andy Stepniewski
    Location: Potter Slough
  95. Pectoral Sandpiper Calidris melanotos
    # Count: 18
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  96. Red-necked Phalarope Phalaropus lobatus
    # Count: 15
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  97. Western Sandpiper Calidris mauri
    # Count: 500
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  98. Sooty Grouse Dendragapus fuliginosus
    # Count: 1
    Date:
    Observer: Guy McWethy
    Location: Potter Slough
  99. Yellow-rumped Warbler Setophaga coronata
    # Count: 10
    Date:
    Observer: Guy McWethy
    Location: Potter Slough
  100. Tree Swallow Tachycineta bicolor
    # Count: 150
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  101. Violet-green Swallow Tachycineta thalassina
    # Count: 130
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  102. Lesser Scaup Aythya affinis
    # Count: 20
    Date:
    Observer: Ryan Shaw
    Location: Potter Slough
  103. Snow Goose Anser caerulescens
    # Count: X
    Date:
    Observer: Eric Cannizzaro
    Location: Potter Slough
  104. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Eric Cannizzaro
    Location: Potter Slough
  105. Common Nighthawk Chordeiles minor
    # Count: 2
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  106. Caspian Tern Hydroprogne caspia
    # Count: 15
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  107. Pacific Golden-Plover Pluvialis fulva
    # Count: 2
    Date:
    Observer: D myhr
    Location: Potter Slough
  108. Osprey Pandion haliaetus
    # Count: 2
    Date:
    Observer: D myhr
    Location: Potter Slough
  109. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: D myhr
    Location: Potter Slough
  110. American Crow Corvus brachyrhynchos
    # Count: 30
    Date:
    Observer: D myhr
    Location: Potter Slough
  111. Bushtit Psaltriparus minimus
    # Count: 2
    Date:
    Observer: D myhr
    Location: Potter Slough
  112. House Sparrow Passer domesticus
    # Count: 2
    Date:
    Observer: D myhr
    Location: Potter Slough
  113. Brown-headed Cowbird Molothrus ater
    # Count: 6
    Date:
    Observer: D myhr
    Location: Potter Slough
  114. Double-crested Cormorant Nannopterum auritum
    # Count: 30
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  115. Short-billed Dowitcher Limnodromus griseus
    # Count: 200
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  116. Rufous Hummingbird Selasphorus rufus
    # Count: 2
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  117. Greater Yellowlegs Tringa melanoleuca
    # Count: 60
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  118. Great Blue Heron Ardea herodias
    # Count: 20
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  119. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  120. Band-tailed Pigeon Patagioenas fasciata
    # Count: 11
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  121. Least Sandpiper Calidris minutilla
    # Count: 90
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  122. Ruby-crowned Kinglet Corthylio calendula
    # Count: 2
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  123. Pacific Wren Troglodytes pacificus
    # Count: 2
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  124. Fox Sparrow Passerella iliaca
    # Count: 8
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  125. Spotted Towhee Pipilo maculatus
    # Count: 2
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  126. Tundra Swan Cygnus columbianus
    # Count: 1
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  127. Cinnamon Teal Spatula cyanoptera
    # Count: 12
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  128. Vaux's Swift Chaetura vauxi
    # Count: 14
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  129. Black-capped Chickadee Poecile atricapillus
    # Count: 4
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  130. Barn Swallow Hirundo rustica
    # Count: 400
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  131. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 150
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  132. Cedar Waxwing Bombycilla cedrorum
    # Count: 10
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  133. House Finch Haemorhous mexicanus
    # Count: 6
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  134. American Goldfinch Spinus tristis
    # Count: 25
    Date:
    Observer: Charlie Wright
    Location: Potter Slough
  135. Common Merganser Mergus merganser
    # Count: X
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  136. Semipalmated Sandpiper Calidris pusilla
    # Count: 6
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  137. Emperor Goose Anser canagicus
    # Count: 2
    Date:
    Observer: Louise Rutter
    Location: Potter Slough
  138. Killdeer Charadrius vociferus
    # Count: 15
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  139. Whimbrel Numenius phaeopus
    # Count: 2
    Date:
    Observer: Deborah House
    Location: Potter Slough
  140. Ring-billed Gull Larus delawarensis
    # Count: 40
    Date:
    Observer: Deborah House
    Location: Potter Slough
  141. American Robin Turdus migratorius
    # Count: 30
    Date:
    Observer: Deborah House
    Location: Potter Slough
  142. White-tailed Kite Elanus leucurus
    # Count: 7
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough

Hybrids (1)

  1. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    # Count: 10
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough

Additional Taxa (19)

  1. Western/Glaucous-winged Gull Larus occidentalis/glaucescens
    # Count: 6
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  2. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 2
    Date:
    Observer: Krzysztof Kurylowicz
    Location: Potter Slough
  3. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  4. new world sparrow sp. Passerellidae sp.
    # Count: 3
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  5. duck sp. Anatidae (duck sp.)
    # Count: 12
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  6. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 130
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  7. Calidris sp. Calidris sp.
    # Count: 2
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  8. Larus sp. Larus sp.
    # Count: 2
    Date:
    Observer: Asher Higgins
    Location: Potter Slough
  9. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 10
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  10. cormorant sp. Phalacrocoracidae sp.
    # Count: 5
    Date:
    Observer: Alan Moss
    Location: Potter Slough
  11. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Barbara Dolan
    Location: Potter Slough
  12. gull sp. Larinae sp.
    # Count: 300
    Date:
    Observer: Lindsey Watts
    Location: Potter Slough
  13. swallow sp. Hirundinidae sp.
    # Count: 100
    Date:
    Observer: Lindsey Watts
    Location: Potter Slough
  14. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 25
    Date:
    Observer: Bill Shelmerdine
    Location: Potter Slough
  15. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 1200
    Date:
    Observer: Ryan Merrill
    Location: Potter Slough
  16. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: H Saunders
    Location: Potter Slough
  17. goose sp. Anatidae (goose sp.)
    # Count: X
    Date:
    Observer: H Saunders
    Location: Potter Slough
  18. shorebird sp. Charadriiformes sp.
    # Count: 20,000
    Date:
    Observer: H Saunders
    Location: Potter Slough
  19. peep sp. Calidris sp. (peep sp.)
    # Count: 5000
    Date:
    Observer: Pete Ziminski
    Location: Potter Slough