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Northwestern University (Main Campus and Lakefill)

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Bird List

Updated ~11 seconds ago
288 All Years 188 This Year 2024 45 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (288)

  1. Least Bittern Ixobrychus exilis
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  2. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  3. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  4. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  5. Turkey Vulture Cathartes aura
    # Count: 3
    Date:
    Observer: Alex Boyko
    Location: Northwestern University (Main Campus and Lakefill)
  6. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  7. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Vlad Nevirkovets
    Location: Northwestern University (Main Campus and Lakefill)
  8. Cooper's Hawk Accipiter cooperii
    # Count: 3
    Date:
    Observer: Owen Woodhouse
    Location: Northwestern University (Main Campus and Lakefill)
  9. Eastern Whip-poor-will Antrostomus vociferus
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  10. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: Nic Dommert
    Location: Northwestern University (Main Campus and Lakefill)
  11. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Melissa Lafferty
    Location: Northwestern University (Main Campus and Lakefill)
  12. Brown Thrasher Toxostoma rufum
    # Count: 5
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  13. Lark Sparrow Chondestes grammacus
    # Count: 2
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  14. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  15. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Scott Judd
    Location: Northwestern University (Main Campus and Lakefill)
  16. Belted Kingfisher Megaceryle alcyon
    # Count: 3
    Date:
    Observer: Owen Woodhouse
    Location: Northwestern University (Main Campus and Lakefill)
  17. Brown-headed Cowbird Molothrus ater
    # Count: 167
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  18. Rusty Blackbird Euphagus carolinus
    # Count: 2
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  19. American Wigeon Mareca americana
    # Count: 17
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  20. European Goldfinch Carduelis carduelis
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  21. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  22. Pine Siskin Spinus pinus
    # Count: 65
    Date:
    Observer: Owen Woodhouse
    Location: Northwestern University (Main Campus and Lakefill)
  23. Western Grebe Aechmophorus occidentalis
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  24. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  25. Gray-crowned Rosy-Finch Leucosticte tephrocotis
    # Count: 1
    Date:
    Observer: Jerry Hampton
    Location: Northwestern University (Main Campus and Lakefill)
  26. Eastern Bluebird Sialia sialis
    # Count: 6
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  27. Dark-eyed Junco Junco hyemalis
    # Count: 82
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  28. American White Pelican Pelecanus erythrorhynchos
    # Count: 6
    Date:
    Observer: Alex Boyko
    Location: Northwestern University (Main Campus and Lakefill)
  29. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 2
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  30. Bay-breasted Warbler Setophaga castanea
    # Count: 9
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  31. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 2
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  32. Ruby-throated Hummingbird Archilochus colubris
    # Count: 2
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  33. Louisiana Waterthrush Parkesia motacilla
    # Count: 1
    Date:
    Observer: Peter Walton
    Location: Northwestern University (Main Campus and Lakefill)
  34. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Peter Walton
    Location: Northwestern University (Main Campus and Lakefill)
  35. Henslow's Sparrow Centronyx henslowii
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  36. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  37. Ruddy Duck Oxyura jamaicensis
    # Count: 23
    Date:
    Observer: Emily Saperstein
    Location: Northwestern University (Main Campus and Lakefill)
  38. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  39. Sandhill Crane Antigone canadensis
    # Count: 220
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  40. Red-breasted Merganser Mergus serrator
    # Count: 2700
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  41. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  42. LeConte's Sparrow Ammospiza leconteii
    # Count: 3
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  43. Nelson's Sparrow Ammospiza nelsoni
    # Count: 4
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  44. Palm Warbler Setophaga palmarum
    # Count: 95
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  45. Yellow-rumped Warbler Setophaga coronata
    # Count: 325
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  46. Tufted Titmouse Baeolophus bicolor
    # Count: 1
    Date:
    Observer: Arden Davidson
    Location: Northwestern University (Main Campus and Lakefill)
  47. Eastern Wood-Pewee Contopus virens
    # Count: 12
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  48. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 200
    Date:
    Observer: Jake Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  49. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: Victor Lefevre
    Location: Northwestern University (Main Campus and Lakefill)
  50. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Jarrod Routh
    Location: Northwestern University (Main Campus and Lakefill)
  51. Least Flycatcher Empidonax minimus
    # Count: 15
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  52. Great Crested Flycatcher Myiarchus crinitus
    # Count: 3
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  53. Willet Tringa semipalmata
    # Count: 43
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  54. Chipping Sparrow Spizella passerina
    # Count: 18
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  55. Field Sparrow Spizella pusilla
    # Count: 14
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  56. Bald Eagle Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: Jake Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  57. Common Redpoll Acanthis flammea
    # Count: 317
    Date:
    Observer: Xiaoni Xu
    Location: Northwestern University (Main Campus and Lakefill)
  58. Mute Swan Cygnus olor
    # Count: 89
    Date:
    Observer: Candida Abrahamson
    Location: Northwestern University (Main Campus and Lakefill)
  59. Hoary Redpoll Acanthis hornemanni
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  60. Red-throated Loon Gavia stellata
    # Count: 3
    Date:
    Observer: Jeff Bilsky
    Location: Northwestern University (Main Campus and Lakefill)
  61. Red-tailed Hawk Buteo jamaicensis
    # Count: 6
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  62. Brown Creeper Certhia americana
    # Count: 10
    Date:
    Observer: Yonatan Simkovich
    Location: Northwestern University (Main Campus and Lakefill)
  63. Black-capped Chickadee Poecile atricapillus
    # Count: 8
    Date:
    Observer: Victor Lefevre
    Location: Northwestern University (Main Campus and Lakefill)
  64. Connecticut Warbler Oporornis agilis
    # Count: 1
    Date:
    Observer: Vlad Nevirkovets
    Location: Northwestern University (Main Campus and Lakefill)
  65. Orchard Oriole Icterus spurius
    # Count: 4
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  66. Double-crested Cormorant Nannopterum auritum
    # Count: 1184
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  67. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  68. Greater White-fronted Goose Anser albifrons
    # Count: 5
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  69. Canada Goose Branta canadensis
    # Count: 500
    Date:
    Observer: Richard DeCoster
    Location: Northwestern University (Main Campus and Lakefill)
  70. Surf Scoter Melanitta perspicillata
    # Count: 7
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  71. Black Scoter Melanitta americana
    # Count: 31
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  72. Red-breasted Nuthatch Sitta canadensis
    # Count: 8
    Date:
    Observer: Ezra Garfield
    Location: Northwestern University (Main Campus and Lakefill)
  73. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 4
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  74. Parasitic Jaeger Stercorarius parasiticus
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  75. Tree Swallow Tachycineta bicolor
    # Count: 100
    Date:
    Observer: Matt Clarke
    Location: Northwestern University (Main Campus and Lakefill)
  76. Kentucky Warbler Geothlypis formosa
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  77. Gray Catbird Dumetella carolinensis
    # Count: 74
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  78. Veery Catharus fuscescens
    # Count: 79
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  79. Gray-cheeked Thrush Catharus minimus
    # Count: 66
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  80. Wood Thrush Hylocichla mustelina
    # Count: 9
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  81. Lincoln's Sparrow Melospiza lincolnii
    # Count: 51
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  82. Ovenbird Seiurus aurocapilla
    # Count: 47
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  83. Northern Waterthrush Parkesia noveboracensis
    # Count: 20
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  84. Golden-winged Warbler Vermivora chrysoptera
    # Count: 7
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  85. Hooded Warbler Setophaga citrina
    # Count: 3
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  86. Northern Parula Setophaga americana
    # Count: 6
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  87. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 10
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  88. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 19
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  89. Green Heron Butorides virescens
    # Count: 11
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  90. Swainson's Thrush Catharus ustulatus
    # Count: 85
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  91. Black-and-white Warbler Mniotilta varia
    # Count: 10
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  92. Common Yellowthroat Geothlypis trichas
    # Count: 85
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  93. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Tim Later
    Location: Northwestern University (Main Campus and Lakefill)
  94. Spotted Sandpiper Actitis macularius
    # Count: 24
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  95. Eastern Towhee Pipilo erythrophthalmus
    # Count: 7
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  96. Hooded Merganser Lophodytes cucullatus
    # Count: 50
    Date:
    Observer: Chris Baggott
    Location: Northwestern University (Main Campus and Lakefill)
  97. King Eider Somateria spectabilis
    # Count: 1
    Date:
    Observer: Al Stokie
    Location: Northwestern University (Main Campus and Lakefill)
  98. Downy Woodpecker Dryobates pubescens
    # Count: 6
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  99. Ruby-crowned Kinglet Corthylio calendula
    # Count: 60
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  100. White-breasted Nuthatch Sitta carolinensis
    # Count: 5
    Date:
    Observer: Rebecca Rice
    Location: Northwestern University (Main Campus and Lakefill)
  101. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 20
    Date:
    Observer: Jake Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  102. Black-throated Green Warbler Setophaga virens
    # Count: 5
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  103. Nashville Warbler Leiothlypis ruficapilla
    # Count: 22
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  104. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  105. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  106. Blue-winged Warbler Vermivora cyanoptera
    # Count: 2
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  107. House Wren Troglodytes aedon
    # Count: 6
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  108. Sora Porzana carolina
    # Count: 4
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  109. Great Egret Ardea alba
    # Count: 16
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  110. Great Blue Heron Ardea herodias
    # Count: 24
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  111. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 11
    Date:
    Observer: Ethan Gyllenhaal
    Location: Northwestern University (Main Campus and Lakefill)
  112. Snowy Owl Bubo scandiacus
    # Count: 1
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  113. Rock Pigeon Columba livia
    # Count: 32
    Date:
    Observer: Drew Meyer
    Location: Northwestern University (Main Campus and Lakefill)
  114. Ross's Goose Anser rossii
    # Count: 2
    Date:
    Observer: T I
    Location: Northwestern University (Main Campus and Lakefill)
  115. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 112
    Date:
    Observer: Ann Hep
    Location: Northwestern University (Main Campus and Lakefill)
  116. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 2
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  117. Pine Warbler Setophaga pinus
    # Count: 3
    Date:
    Observer: Rebecca Gilman
    Location: Northwestern University (Main Campus and Lakefill)
  118. Yellow-throated Warbler Setophaga dominica
    # Count: 2
    Date:
    Observer: Andy Zhang
    Location: Northwestern University (Main Campus and Lakefill)
  119. Monk Parakeet Myiopsitta monachus
    # Count: 2
    Date:
    Observer: Jane Younger
    Location: Northwestern University (Main Campus and Lakefill)
  120. Fox Sparrow Passerella iliaca
    # Count: 18
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  121. Blackpoll Warbler Setophaga striata
    # Count: 20
    Date:
    Observer: Isoo O'Brien
    Location: Northwestern University (Main Campus and Lakefill)
  122. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Audrey Carl
    Location: Northwestern University (Main Campus and Lakefill)
  123. Violet-green Swallow Tachycineta thalassina
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  124. American Avocet Recurvirostra americana
    # Count: 104
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  125. Tundra Swan Cygnus columbianus
    # Count: 15
    Date:
    Observer: C. Warneke
    Location: Northwestern University (Main Campus and Lakefill)
  126. Redhead Aythya americana
    # Count: 1933
    Date:
    Observer: Geoffrey A. Williamson
    Location: Northwestern University (Main Campus and Lakefill)
  127. Orange-crowned Warbler Leiothlypis celata
    # Count: 5
    Date:
    Observer: C. Warneke
    Location: Northwestern University (Main Campus and Lakefill)
  128. Laughing Gull Leucophaeus atricilla
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  129. Great Black-backed Gull Larus marinus
    # Count: 3
    Date:
    Observer: Jason Weckstein
    Location: Northwestern University (Main Campus and Lakefill)
  130. White-winged Scoter Melanitta deglandi
    # Count: 35
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  131. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  132. Cackling Goose Branta hutchinsii
    # Count: 3
    Date:
    Observer: Bob Russell
    Location: Northwestern University (Main Campus and Lakefill)
  133. Winter Wren Troglodytes hiemalis
    # Count: 4
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  134. Wood Duck Aix sponsa
    # Count: 18
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  135. Common Merganser Mergus merganser
    # Count: 300
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  136. Glaucous Gull Larus hyperboreus
    # Count: 2
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  137. Golden-crowned Kinglet Regulus satrapa
    # Count: 200
    Date:
    Observer: Jason Weckstein
    Location: Northwestern University (Main Campus and Lakefill)
  138. Sedge Wren Cistothorus stellaris
    # Count: 2
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  139. Alder Flycatcher Empidonax alnorum
    # Count: 4
    Date:
    Observer: Lizzie Condon
    Location: Northwestern University (Main Campus and Lakefill)
  140. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 2
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  141. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 300
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  142. Swamp Sparrow Melospiza georgiana
    # Count: 50
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  143. Clay-colored Sparrow Spizella pallida
    # Count: 6
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  144. American Tree Sparrow Spizelloides arborea
    # Count: 23
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  145. Mourning Warbler Geothlypis philadelphia
    # Count: 6
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  146. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  147. Willow Flycatcher Empidonax traillii
    # Count: 8
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  148. American Redstart Setophaga ruticilla
    # Count: 40
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  149. Blackburnian Warbler Setophaga fusca
    # Count: 11
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  150. White-winged Crossbill Loxia leucoptera
    # Count: 5
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  151. European Starling Sturnus vulgaris
    # Count: 500
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  152. Caspian Tern Hydroprogne caspia
    # Count: 848
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  153. White-winged Dove Zenaida asiatica
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  154. White-throated Sparrow Zonotrichia albicollis
    # Count: 500
    Date:
    Observer: Jeffrey Thomas
    Location: Northwestern University (Main Campus and Lakefill)
  155. Upland Sandpiper Bartramia longicauda
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  156. Piping Plover Charadrius melodus
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  157. Magnolia Warbler Setophaga magnolia
    # Count: 20
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  158. Canada Warbler Cardellina canadensis
    # Count: 16
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  159. Wilson's Warbler Cardellina pusilla
    # Count: 27
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  160. Hermit Thrush Catharus guttatus
    # Count: 29
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  161. Semipalmated Plover Charadrius semipalmatus
    # Count: 15
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  162. American Woodcock Scolopax minor
    # Count: 2
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  163. Baltimore Oriole Icterus galbula
    # Count: 72
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  164. Indigo Bunting Passerina cyanea
    # Count: 19
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  165. Blue Jay Cyanocitta cristata
    # Count: 886
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  166. Short-eared Owl Asio flammeus
    # Count: 7
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  167. American Crow Corvus brachyrhynchos
    # Count: 4470
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  168. Gadwall Mareca strepera
    # Count: 29
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  169. Song Sparrow Melospiza melodia
    # Count: 111
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  170. House Sparrow Passer domesticus
    # Count: 320
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  171. American Goldfinch Spinus tristis
    # Count: 860
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  172. Red Knot Calidris canutus
    # Count: 6
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  173. Tennessee Warbler Leiothlypis peregrina
    # Count: 16
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  174. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 7
    Date:
    Observer: Nick Block
    Location: Northwestern University (Main Campus and Lakefill)
  175. Red-eyed Vireo Vireo olivaceus
    # Count: 25
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  176. Sanderling Calidris alba
    # Count: 89
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  177. White-rumped Sandpiper Calidris fuscicollis
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  178. Marsh Wren Cistothorus palustris
    # Count: 10
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  179. Short-billed Dowitcher Limnodromus griseus
    # Count: 8
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  180. Harris's Sparrow Zonotrichia querula
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  181. American Pipit Anthus rubescens
    # Count: 12
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  182. Savannah Sparrow Passerculus sandwichensis
    # Count: 80
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  183. Pied-billed Grebe Podilymbus podiceps
    # Count: 8
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  184. American Kestrel Falco sparverius
    # Count: 14
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  185. Lesser Black-backed Gull Larus fuscus
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  186. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  187. American Golden-Plover Pluvialis dominica
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  188. Ring-billed Gull Larus delawarensis
    # Count: 2700
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  189. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 47
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  190. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 3500
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  191. Trumpeter Swan Cygnus buccinator
    # Count: 2
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  192. Canvasback Aythya valisineria
    # Count: 197
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  193. Lesser Scaup Aythya affinis
    # Count: 583
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  194. Iceland Gull Larus glaucoides
    # Count: 4
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  195. Snow Goose Anser caerulescens
    # Count: 877
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  196. Northern Shoveler Spatula clypeata
    # Count: 1660
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  197. Mallard Anas platyrhynchos
    # Count: 300
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  198. Northern Pintail Anas acuta
    # Count: 90
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  199. Green-winged Teal Anas crecca
    # Count: 180
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  200. Franklin's Gull Leucophaeus pipixcan
    # Count: 269
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  201. Northern Harrier Circus hudsonius
    # Count: 7
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  202. Horned Grebe Podiceps auritus
    # Count: 349
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  203. Little Gull Hydrocoloeus minutus
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  204. American Black Duck Anas rubripes
    # Count: 45
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  205. Greater Scaup Aythya marila
    # Count: 3465
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  206. Common Loon Gavia immer
    # Count: 188
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  207. Whimbrel Numenius phaeopus
    # Count: 5
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  208. Baird's Sandpiper Calidris bairdii
    # Count: 5
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  209. Least Sandpiper Calidris minutilla
    # Count: 26
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  210. Common Nighthawk Chordeiles minor
    # Count: 639
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  211. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  212. Herring Gull Larus argentatus
    # Count: 650
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  213. Townsend's Solitaire Myadestes townsendi
    # Count: 1
    Date:
    Observer: Paul Quintas
    Location: Northwestern University (Main Campus and Lakefill)
  214. Red Phalarope Phalaropus fulicarius
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  215. American Coot Fulica americana
    # Count: 175
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  216. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  217. Forster's Tern Sterna forsteri
    # Count: 174
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  218. Ring-necked Duck Aythya collaris
    # Count: 16
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  219. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  220. Eastern Kingbird Tyrannus tyrannus
    # Count: 16
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  221. Greater Yellowlegs Tringa melanoleuca
    # Count: 12
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  222. Bobolink Dolichonyx oryzivorus
    # Count: 29
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  223. Yellow Warbler Setophaga petechia
    # Count: 14
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  224. Blue-winged Teal Spatula discors
    # Count: 126
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  225. Northern Flicker Colaptes auratus
    # Count: 26
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  226. Northern Cardinal Cardinalis cardinalis
    # Count: 47
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  227. American Robin Turdus migratorius
    # Count: 410
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  228. Evening Grosbeak Coccothraustes vespertinus
    # Count: 8
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  229. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  230. House Finch Haemorhous mexicanus
    # Count: 71
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  231. Common Goldeneye Bucephala clangula
    # Count: 695
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  232. Cape May Warbler Setophaga tigrina
    # Count: 13
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  233. Common Grackle Quiscalus quiscula
    # Count: 500
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  234. Western Meadowlark Sturnella neglecta
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  235. Red Crossbill Loxia curvirostra
    # Count: 4
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  236. Osprey Pandion haliaetus
    # Count: 7
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  237. Merlin Falco columbarius
    # Count: 7
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  238. Peregrine Falcon Falco peregrinus
    # Count: 26
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  239. Western Cattle Egret Bubulcus ibis
    # Count: 6
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  240. Acadian Flycatcher Empidonax virescens
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  241. Cerulean Warbler Setophaga cerulea
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  242. Brown Pelican Pelecanus occidentalis
    # Count: 1
    Date:
    Observer: Cook County Archives
    Location: Northwestern University (Main Campus and Lakefill)
  243. Common Tern Sterna hirundo
    # Count: 570
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  244. Bank Swallow Riparia riparia
    # Count: 450
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  245. Yellow-throated Vireo Vireo flavifrons
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  246. Scarlet Tanager Piranga olivacea
    # Count: 7
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  247. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  248. Eastern Phoebe Sayornis phoebe
    # Count: 13
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  249. Snow Bunting Plectrophenax nivalis
    # Count: 90
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  250. Dunlin Calidris alpina
    # Count: 310
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  251. Cedar Waxwing Bombycilla cedrorum
    # Count: 228
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  252. Solitary Sandpiper Tringa solitaria
    # Count: 8
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  253. Lesser Yellowlegs Tringa flavipes
    # Count: 14
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  254. Pectoral Sandpiper Calidris melanotos
    # Count: 56
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  255. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  256. Barn Swallow Hirundo rustica
    # Count: 1219
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  257. Chimney Swift Chaetura pelagica
    # Count: 489
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  258. Long-tailed Duck Clangula hyemalis
    # Count: 165
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  259. Purple Finch Haemorhous purpureus
    # Count: 26
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  260. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  261. Warbling Vireo Vireo gilvus
    # Count: 8
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  262. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  263. Red-winged Blackbird Agelaius phoeniceus
    # Count: 2400
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  264. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  265. Mourning Dove Zenaida macroura
    # Count: 100
    Date:
    Observer: Rene Laubach
    Location: Northwestern University (Main Campus and Lakefill)
  266. Purple Martin Progne subis
    # Count: 9000
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  267. Cinnamon Teal Spatula cyanoptera
    # Count: 1
    Date:
    Observer: Cook County Archives
    Location: Northwestern University (Main Campus and Lakefill)
  268. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  269. Ancient Murrelet Synthliboramphus antiquus
    # Count: X
    Date:
    Observer: Ed Hopkins
    Location: Northwestern University (Main Campus and Lakefill)
  270. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Dan Williams
    Location: Northwestern University (Main Campus and Lakefill)
  271. Black-legged Kittiwake Rissa tridactyla
    # Count: 15
    Date:
    Observer: Cook County Archives
    Location: Northwestern University (Main Campus and Lakefill)
  272. Killdeer Charadrius vociferus
    # Count: 20
    Date:
    Observer: Steven Mlodinow
    Location: Northwestern University (Main Campus and Lakefill)
  273. Smith's Longspur Calcarius pictus
    # Count: 1
    Date:
    Observer: Bill Tweit
    Location: Northwestern University (Main Campus and Lakefill)
  274. Lark Bunting Calamospiza melanocorys
    # Count: 1
    Date:
    Observer: Bill Tweit
    Location: Northwestern University (Main Campus and Lakefill)
  275. Horned Lark Eremophila alpestris
    # Count: 12
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  276. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  277. Wilson's Phalarope Phalaropus tricolor
    # Count: 1
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  278. Wilson's Snipe Gallinago delicata
    # Count: 5
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  279. Vesper Sparrow Pooecetes gramineus
    # Count: 8
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  280. Eastern Meadowlark Sturnella magna
    # Count: 9
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  281. Black-bellied Plover Pluvialis squatarola
    # Count: 14
    Date:
    Observer: Richard Horwitz
    Location: Northwestern University (Main Campus and Lakefill)
  282. Harlequin Duck Histrionicus histrionicus
    # Count: 2
    Date:
    Observer: Richard Horwitz
    Location: Northwestern University (Main Campus and Lakefill)
  283. Lapland Longspur Calcarius lapponicus
    # Count: 25
    Date:
    Observer: Richard Horwitz
    Location: Northwestern University (Main Campus and Lakefill)
  284. Semipalmated Sandpiper Calidris pusilla
    # Count: 25
    Date:
    Observer: Richard Horwitz
    Location: Northwestern University (Main Campus and Lakefill)
  285. Black Tern Chlidonias niger
    # Count: 40
    Date:
    Observer: Richard Horwitz
    Location: Northwestern University (Main Campus and Lakefill)
  286. Ring-necked Pheasant Phasianus colchicus
    # Count: 2
    Date:
    Observer: Richard Horwitz
    Location: Northwestern University (Main Campus and Lakefill)
  287. Ruddy Turnstone Arenaria interpres
    # Count: 12
    Date:
    Observer: Richard Horwitz
    Location: Northwestern University (Main Campus and Lakefill)
  288. Bufflehead Bucephala albeola
    # Count: 220
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)

Exotic: Escapee (10)

  1. African Collared-Dove Streptopelia roseogrisea
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  2. Graylag Goose Anser anser
    # Count: X
    Date:
    Observer: Liren Varghese
    Location: Northwestern University (Main Campus and Lakefill)
  3. Northern Red Bishop Euplectes franciscanus
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  4. Yellow-lored Parrot Amazona xantholora
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  5. Spotted Dove Spilopelia chinensis
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  6. Crimson-fronted Parakeet Psittacara finschi
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  7. Budgerigar Melopsittacus undulatus
    # Count: 2
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  8. Tricolored Munia Lonchura malacca
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  9. Fischer's Lovebird Agapornis fischeri
    # Count: 1
    Date:
    Observer: Robert Guth
    Location: Northwestern University (Main Campus and Lakefill)
  10. Gray Partridge Perdix perdix
    # Count: 9
    Date:
    Observer: Cook County Archives
    Location: Northwestern University (Main Campus and Lakefill)

Hybrids (2)

  1. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  2. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)

Additional Taxa (65)

  1. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  2. Catharus sp. Catharus sp.
    # Count: 2
    Date:
    Observer: Owen Woodhouse
    Location: Northwestern University (Main Campus and Lakefill)
  3. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  4. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 3
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  5. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  6. merganser sp. Mergellus/Lophodytes/Mergus sp.
    # Count: 25
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  7. blackbird sp. Icteridae sp.
    # Count: 177
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  8. grebe sp. Podicipedidae sp.
    # Count: 2
    Date:
    Observer: Phil & Angie Beyer
    Location: Northwestern University (Main Campus and Lakefill)
  9. Aythya sp. Aythya sp.
    # Count: 150
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  10. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  11. finch sp. Fringillidae sp.
    # Count: 33
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  12. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Julie Rand
    Location: Northwestern University (Main Campus and Lakefill)
  13. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 1
    Date:
    Observer: Richard DeCoster
    Location: Northwestern University (Main Campus and Lakefill)
  14. bird sp. Aves sp.
    # Count: X
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  15. nuthatch sp. Sitta sp.
    # Count: 1
    Date:
    Observer: Yonatan Simkovich
    Location: Northwestern University (Main Campus and Lakefill)
  16. waterfowl sp. Anatidae sp.
    # Count: 254
    Date:
    Observer: Yonatan Simkovich
    Location: Northwestern University (Main Campus and Lakefill)
  17. gull sp. Larinae sp.
    # Count: 200
    Date:
    Observer: Mike S
    Location: Northwestern University (Main Campus and Lakefill)
  18. LeConte's/Nelson's Sparrow Ammospiza leconteii/nelsoni
    # Count: 1
    Date:
    Observer: Mike S
    Location: Northwestern University (Main Campus and Lakefill)
  19. swan sp. Cygnus sp.
    # Count: 10
    Date:
    Observer: Victor Lefevre
    Location: Northwestern University (Main Campus and Lakefill)
  20. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 100
    Date:
    Observer: Ellis Korda
    Location: Northwestern University (Main Campus and Lakefill)
  21. Common/Hoary Redpoll Acanthis flammea/hornemanni
    # Count: 1
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  22. loon sp. Gavia sp.
    # Count: 2
    Date:
    Observer: Eric Ginsburg
    Location: Northwestern University (Main Campus and Lakefill)
  23. falcon sp. Falco sp.
    # Count: 3
    Date:
    Observer: Victor Lefevre
    Location: Northwestern University (Main Campus and Lakefill)
  24. new world sparrow sp. Passerellidae sp.
    # Count: 12
    Date:
    Observer: Vlad Nevirkovets
    Location: Northwestern University (Main Campus and Lakefill)
  25. passerine sp. Passeriformes sp.
    # Count: 120
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  26. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Victor Lefevre
    Location: Northwestern University (Main Campus and Lakefill)
  27. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    # Count: 4
    Date:
    Observer: Yonatan Simkovich
    Location: Northwestern University (Main Campus and Lakefill)
  28. new world flycatcher sp. Tyrannidae sp.
    # Count: 3
    Date:
    Observer: Vlad Nevirkovets
    Location: Northwestern University (Main Campus and Lakefill)
  29. Larus sp. Larus sp.
    # Count: 79
    Date:
    Observer: T I
    Location: Northwestern University (Main Campus and Lakefill)
  30. scoter sp. Melanitta sp.
    # Count: 4
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  31. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 2
    Date:
    Observer: Collin Porter
    Location: Northwestern University (Main Campus and Lakefill)
  32. jaeger sp. Stercorarius sp. (jaeger sp.)
    # Count: 1
    Date:
    Observer: James Jarosz
    Location: Northwestern University (Main Campus and Lakefill)
  33. Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinus
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  34. shorebird sp. Charadriiformes sp.
    # Count: 50
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  35. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  36. teal sp. Anatidae sp. (teal sp.)
    # Count: 1
    Date:
    Observer: Chris Baggott
    Location: Northwestern University (Main Campus and Lakefill)
  37. Empidonax sp. Empidonax sp.
    # Count: 20
    Date:
    Observer: Jarrod Routh
    Location: Northwestern University (Main Campus and Lakefill)
  38. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 1
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  39. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    # Count: 4
    Date:
    Observer: David Mroczkowski
    Location: Northwestern University (Main Campus and Lakefill)
  40. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 5
    Date:
    Observer: Julie Bryson
    Location: Northwestern University (Main Campus and Lakefill)
  41. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 3
    Date:
    Observer: Manish Kumar
    Location: Northwestern University (Main Campus and Lakefill)
  42. Trumpeter/Tundra Swan Cygnus buccinator/columbianus
    # Count: 1
    Date:
    Observer: Matthew Cvetas
    Location: Northwestern University (Main Campus and Lakefill)
  43. duck sp. Anatidae (duck sp.)
    # Count: 800
    Date:
    Observer: C. Warneke
    Location: Northwestern University (Main Campus and Lakefill)
  44. tern sp. Sterninae sp.
    # Count: 2
    Date:
    Observer: Jason Weckstein
    Location: Northwestern University (Main Campus and Lakefill)
  45. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 11
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  46. swallow sp. Hirundinidae sp.
    # Count: 300
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  47. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: 20
    Date:
    Observer: Jason Weckstein
    Location: Northwestern University (Main Campus and Lakefill)
  48. thrush sp. Turdidae sp.
    # Count: 20
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  49. new world warbler sp. Parulidae sp.
    # Count: 71
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  50. Acanthis/Spinus sp. Acanthis/Spinus sp.
    # Count: X
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  51. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 3200
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  52. Surf/Black Scoter Melanitta perspicillata/americana
    # Count: 64
    Date:
    Observer: Josh Engel
    Location: Northwestern University (Main Campus and Lakefill)
  53. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 2000
    Date:
    Observer: Eric Walters
    Location: Northwestern University (Main Campus and Lakefill)
  54. goose sp. Anatidae (goose sp.)
    # Count: 14
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  55. longspur sp. Calcarius/Rhynchophanes sp.
    # Count: 20
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  56. peep sp. Calidris sp. (peep sp.)
    # Count: 5
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  57. Western/Eastern Meadowlark Sturnella neglecta/magna
    # Count: 10
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  58. Calidris sp. Calidris sp.
    # Count: 3
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  59. Sterna sp. Sterna sp.
    # Count: 500
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  60. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 2
    Date:
    Observer: Richard Horwitz
    Location: Northwestern University (Main Campus and Lakefill)
  61. small plover sp. Charadrius/Anarhynchus sp.
    # Count: 1
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  62. heron sp. Ardeidae sp.
    # Count: 2
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  63. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    # Count: 5
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  64. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 2
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)
  65. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    # Count: 1
    Date:
    Observer: William Shepherd
    Location: Northwestern University (Main Campus and Lakefill)