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Upper Mississippi River NWR--Thomson Causeway

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Bird List

Updated ~7 seconds ago
211 All Years 132 This Year 2024 31 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (211)

  1. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Tracy f
    Location: Upper Mississippi River NWR--Thomson Causeway
  2. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Ethan Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  3. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  4. Franklin's Gull Leucophaeus pipixcan
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  5. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Steve Freed
    Location: Upper Mississippi River NWR--Thomson Causeway
  6. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Steve Freed
    Location: Upper Mississippi River NWR--Thomson Causeway
  7. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Dan Meyer
    Location: Upper Mississippi River NWR--Thomson Causeway
  8. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: Greg “Mob Tapes Я Us” Neise
    Location: Upper Mississippi River NWR--Thomson Causeway
  9. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Geoffrey A. Williamson
    Location: Upper Mississippi River NWR--Thomson Causeway
  10. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Geoffrey A. Williamson
    Location: Upper Mississippi River NWR--Thomson Causeway
  11. Sora Porzana carolina
    # Count: 2
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  12. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Daniel Bellich
    Location: Upper Mississippi River NWR--Thomson Causeway
  13. Acadian Flycatcher Empidonax virescens
    # Count: 1
    Date:
    Observer: Vicky Sroczynski
    Location: Upper Mississippi River NWR--Thomson Causeway
  14. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Tony Moline
    Location: Upper Mississippi River NWR--Thomson Causeway
  15. Mute Swan Cygnus olor
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  16. Grasshopper Sparrow Ammodramus savannarum
    # Count: 2
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  17. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  18. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  19. Ruby-throated Hummingbird Archilochus colubris
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  20. Henslow's Sparrow Centronyx henslowii
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  21. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  22. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  23. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  24. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  25. Vesper Sparrow Pooecetes gramineus
    # Count: 2
    Date:
    Observer: Ted Hartzler
    Location: Upper Mississippi River NWR--Thomson Causeway
  26. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Craig Taylor
    Location: Upper Mississippi River NWR--Thomson Causeway
  27. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  28. Trumpeter Swan Cygnus buccinator
    # Count: 3
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  29. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  30. Dunlin Calidris alpina
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  31. Brewer's Blackbird Euphagus cyanocephalus
    # Count: X
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  32. Black-bellied Plover Pluvialis squatarola
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  33. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  34. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  35. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  36. White-rumped Sandpiper Calidris fuscicollis
    # Count: 72
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  37. Pectoral Sandpiper Calidris melanotos
    # Count: 5
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  38. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  39. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  40. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  41. Pine Warbler Setophaga pinus
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  42. Scarlet Tanager Piranga olivacea
    # Count: 2
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  43. Semipalmated Sandpiper Calidris pusilla
    # Count: 4
    Date:
    Observer: Joe Lill
    Location: Upper Mississippi River NWR--Thomson Causeway
  44. Eastern Screech-Owl Megascops asio
    # Count: 3
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  45. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  46. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  47. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  48. Alder Flycatcher Empidonax alnorum
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  49. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  50. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  51. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Cindy Owsley
    Location: Upper Mississippi River NWR--Thomson Causeway
  52. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  53. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Dustin Holschuh
    Location: Upper Mississippi River NWR--Thomson Causeway
  54. Golden-winged Warbler Vermivora chrysoptera
    # Count: 5
    Date:
    Observer: Dustin Holschuh
    Location: Upper Mississippi River NWR--Thomson Causeway
  55. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: Dustin Holschuh
    Location: Upper Mississippi River NWR--Thomson Causeway
  56. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Dustin Holschuh
    Location: Upper Mississippi River NWR--Thomson Causeway
  57. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: Dustin Holschuh
    Location: Upper Mississippi River NWR--Thomson Causeway
  58. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 3
    Date:
    Observer: Dustin Holschuh
    Location: Upper Mississippi River NWR--Thomson Causeway
  59. Black-throated Green Warbler Setophaga virens
    # Count: 2
    Date:
    Observer: Dustin Holschuh
    Location: Upper Mississippi River NWR--Thomson Causeway
  60. Snowy Egret Egretta thula
    # Count: 2
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  61. Fox Sparrow Passerella iliaca
    # Count: 4
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  62. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Adam Sell
    Location: Upper Mississippi River NWR--Thomson Causeway
  63. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  64. Eurasian Tree Sparrow Passer montanus
    # Count: 2
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  65. Greater White-fronted Goose Anser albifrons
    # Count: 75
    Date:
    Observer: Jody Zamirowski
    Location: Upper Mississippi River NWR--Thomson Causeway
  66. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  67. Marsh Wren Cistothorus palustris
    # Count: 4
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  68. Peregrine Falcon Falco peregrinus
    # Count: X
    Date:
    Observer: Josh Engel
    Location: Upper Mississippi River NWR--Thomson Causeway
  69. Yellow-throated Warbler Setophaga dominica
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  70. Canada Warbler Cardellina canadensis
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  71. Lapland Longspur Calcarius lapponicus
    # Count: X
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  72. Snow Bunting Plectrophenax nivalis
    # Count: X
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  73. Black Tern Chlidonias niger
    # Count: 12
    Date:
    Observer: Evan Glynn
    Location: Upper Mississippi River NWR--Thomson Causeway
  74. Bank Swallow Riparia riparia
    # Count: 4
    Date:
    Observer: Evan Glynn
    Location: Upper Mississippi River NWR--Thomson Causeway
  75. Horned Lark Eremophila alpestris
    # Count: X
    Date:
    Observer: John Longhenry
    Location: Upper Mississippi River NWR--Thomson Causeway
  76. Yellow-billed Cuckoo Coccyzus americanus
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  77. Common Nighthawk Chordeiles minor
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  78. Purple Martin Progne subis
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  79. Cliff Swallow Petrochelidon pyrrhonota
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  80. Gray Catbird Dumetella carolinensis
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  81. Lark Sparrow Chondestes grammacus
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  82. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  83. Western Meadowlark Sturnella neglecta
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  84. Eastern Meadowlark Sturnella magna
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  85. Ovenbird Seiurus aurocapilla
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  86. Dickcissel Spiza americana
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  87. Barred Owl Strix varia
    # Count: 1
    Date:
    Observer: Erica Briggs
    Location: Upper Mississippi River NWR--Thomson Causeway
  88. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  89. Cackling Goose Branta hutchinsii
    # Count: X
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  90. Chimney Swift Chaetura pelagica
    # Count: X
    Date:
    Observer: Kathleen Anderson
    Location: Upper Mississippi River NWR--Thomson Causeway
  91. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  92. Warbling Vireo Vireo gilvus
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  93. Wood Thrush Hylocichla mustelina
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  94. Chipping Sparrow Spizella passerina
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  95. Baltimore Oriole Icterus galbula
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  96. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  97. American Redstart Setophaga ruticilla
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  98. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  99. Indigo Bunting Passerina cyanea
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  100. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 4
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  101. Sandhill Crane Antigone canadensis
    # Count: 2
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  102. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Upper Mississippi River NWR--Thomson Causeway
  103. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  104. Tundra Swan Cygnus columbianus
    # Count: 1
    Date:
    Observer: Edge Wade
    Location: Upper Mississippi River NWR--Thomson Causeway
  105. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 1
    Date:
    Observer: Chuck Heikkinen
    Location: Upper Mississippi River NWR--Thomson Causeway
  106. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: Chuck Heikkinen
    Location: Upper Mississippi River NWR--Thomson Causeway
  107. Purple Finch Haemorhous purpureus
    # Count: 2
    Date:
    Observer: Chuck Heikkinen
    Location: Upper Mississippi River NWR--Thomson Causeway
  108. Yellow-throated Vireo Vireo flavifrons
    # Count: 2
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  109. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  110. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  111. Forster's Tern Sterna forsteri
    # Count: 3
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  112. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  113. Eastern Wood-Pewee Contopus virens
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  114. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  115. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  116. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  117. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  118. Rusty Blackbird Euphagus carolinus
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  119. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  120. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 2
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  121. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  122. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  123. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  124. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  125. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  126. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  127. Golden-crowned Kinglet Regulus satrapa
    # Count: 3
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  128. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  129. American White Pelican Pelecanus erythrorhynchos
    # Count: 100
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  130. Green-winged Teal Anas crecca
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  131. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  132. Wild Turkey Meleagris gallopavo
    # Count: 6
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  133. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  134. European Starling Sturnus vulgaris
    # Count: 250
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  135. Cedar Waxwing Bombycilla cedrorum
    # Count: 12
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  136. House Sparrow Passer domesticus
    # Count: 20
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  137. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  138. American Tree Sparrow Spizelloides arborea
    # Count: 14
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  139. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  140. Ruby-crowned Kinglet Corthylio calendula
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  141. House Wren Troglodytes aedon
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  142. Brown Thrasher Toxostoma rufum
    # Count: 2
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  143. Field Sparrow Spizella pusilla
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  144. White-throated Sparrow Zonotrichia albicollis
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  145. Palm Warbler Setophaga palmarum
    # Count: X
    Date:
    Observer: Urs Geiser
    Location: Upper Mississippi River NWR--Thomson Causeway
  146. Gadwall Mareca strepera
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  147. Least Sandpiper Calidris minutilla
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  148. Spotted Sandpiper Actitis macularius
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  149. Solitary Sandpiper Tringa solitaria
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  150. Greater Yellowlegs Tringa melanoleuca
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  151. Yellow Warbler Setophaga petechia
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  152. Wood Duck Aix sponsa
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  153. Hooded Merganser Lophodytes cucullatus
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  154. Ruddy Duck Oxyura jamaicensis
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  155. Pied-billed Grebe Podilymbus podiceps
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  156. Mourning Dove Zenaida macroura
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  157. Herring Gull Larus argentatus
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  158. Double-crested Cormorant Nannopterum auritum
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  159. Great Blue Heron Ardea herodias
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  160. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  161. Red-bellied Woodpecker Melanerpes carolinus
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  162. Downy Woodpecker Dryobates pubescens
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  163. Northern Flicker Colaptes auratus
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  164. Eastern Phoebe Sayornis phoebe
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  165. Blue Jay Cyanocitta cristata
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  166. American Crow Corvus brachyrhynchos
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  167. Black-capped Chickadee Poecile atricapillus
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  168. Tufted Titmouse Baeolophus bicolor
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  169. Tree Swallow Tachycineta bicolor
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  170. Barn Swallow Hirundo rustica
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  171. White-breasted Nuthatch Sitta carolinensis
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  172. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  173. Eastern Bluebird Sialia sialis
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  174. Hermit Thrush Catharus guttatus
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  175. American Robin Turdus migratorius
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  176. American Goldfinch Spinus tristis
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  177. Dark-eyed Junco Junco hyemalis
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  178. Swamp Sparrow Melospiza georgiana
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  179. Eastern Towhee Pipilo erythrophthalmus
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  180. Brown-headed Cowbird Molothrus ater
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  181. Common Grackle Quiscalus quiscula
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  182. Yellow-rumped Warbler Setophaga coronata
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  183. Northern Cardinal Cardinalis cardinalis
    # Count: X
    Date:
    Observer: Jeff Baughman
    Location: Upper Mississippi River NWR--Thomson Causeway
  184. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: X
    Date:
    Observer: Howie Nielsen
    Location: Upper Mississippi River NWR--Thomson Causeway
  185. American Wigeon Mareca americana
    # Count: 150
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  186. Lesser Scaup Aythya affinis
    # Count: 300
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  187. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  188. Red-winged Blackbird Agelaius phoeniceus
    # Count: 12
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  189. Snow Goose Anser caerulescens
    # Count: 2
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  190. Canada Goose Branta canadensis
    # Count: 2000
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  191. Blue-winged Teal Spatula discors
    # Count: 25
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  192. Northern Shoveler Spatula clypeata
    # Count: 6
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  193. Mallard Anas platyrhynchos
    # Count: 5000
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  194. American Black Duck Anas rubripes
    # Count: 20
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  195. Northern Pintail Anas acuta
    # Count: 750
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  196. Canvasback Aythya valisineria
    # Count: 5
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  197. Redhead Aythya americana
    # Count: 4
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  198. Ring-necked Duck Aythya collaris
    # Count: 100
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  199. Bufflehead Bucephala albeola
    # Count: 4
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  200. Common Goldeneye Bucephala clangula
    # Count: 20
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  201. Common Merganser Mergus merganser
    # Count: 40
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  202. American Coot Fulica americana
    # Count: 20
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  203. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  204. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  205. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  206. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  207. Northern Bobwhite Colinus virginianus
    # Count: 1
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  208. Killdeer Charadrius vociferus
    # Count: 50
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  209. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  210. Great Egret Ardea alba
    # Count: 3
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway
  211. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway

Hybrids (2)

  1. Northern Shoveler x Gadwall (hybrid) Spatula clypeata x Mareca strepera
    # Count: 1
    Date:
    Observer: Jeff Chapman
    Location: Upper Mississippi River NWR--Thomson Causeway
  2. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway

Additional Taxa (13)

  1. swallow sp. Hirundinidae sp.
    # Count: 6
    Date:
    Observer: Tracy f
    Location: Upper Mississippi River NWR--Thomson Causeway
  2. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Heather Perry
    Location: Upper Mississippi River NWR--Thomson Causeway
  3. Larus sp. Larus sp.
    # Count: 40
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  4. Aythya sp. Aythya sp.
    # Count: 15
    Date:
    Observer: Andrew Dreelin
    Location: Upper Mississippi River NWR--Thomson Causeway
  5. blackbird sp. Icteridae sp.
    # Count: 60
    Date:
    Observer: Patrick Ricketson
    Location: Upper Mississippi River NWR--Thomson Causeway
  6. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: 6
    Date:
    Observer: Josh Engel
    Location: Upper Mississippi River NWR--Thomson Causeway
  7. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: S Gitz
    Location: Upper Mississippi River NWR--Thomson Causeway
  8. Trumpeter/Tundra Swan Cygnus buccinator/columbianus
    # Count: X
    Date:
    Observer: Cindy Brown
    Location: Upper Mississippi River NWR--Thomson Causeway
  9. new world warbler sp. Parulidae sp.
    # Count: 5
    Date:
    Observer: Dustin Holschuh
    Location: Upper Mississippi River NWR--Thomson Causeway
  10. gull sp. Larinae sp.
    # Count: X
    Date:
    Observer:
    Location: Upper Mississippi River NWR--Thomson Causeway
  11. swan sp. Cygnus sp.
    # Count: X
    Date:
    Observer: Ann Whitney
    Location: Upper Mississippi River NWR--Thomson Causeway
  12. duck sp. Anatidae (duck sp.)
    # Count: 2500
    Date:
    Observer: Eric Walters
    Location: Upper Mississippi River NWR--Thomson Causeway
  13. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 1500
    Date:
    Observer: Fred Lesher
    Location: Upper Mississippi River NWR--Thomson Causeway