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Costco Slough, Orland Park

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Bird List

Updated ~9 seconds ago
153 All Years 66 This Year 2024 18 This Month Jul 2024
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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (153)

  1. Green-winged Teal Anas crecca
    # Count: 10
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  2. American White Pelican Pelecanus erythrorhynchos
    # Count: 25
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  3. American Woodcock Scolopax minor
    # Count: 4
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  4. Sandhill Crane Antigone canadensis
    # Count: 95
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  5. Greater Scaup Aythya marila
    # Count: 6
    Date:
    Observer: Eric Johnson
    Location: Costco Slough, Orland Park
  6. Bald Eagle Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  7. Canada Goose Branta canadensis
    # Count: 500
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  8. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  9. Dark-eyed Junco Junco hyemalis
    # Count: 4
    Date:
    Observer: Jim Bowhay
    Location: Costco Slough, Orland Park
  10. White-throated Sparrow Zonotrichia albicollis
    # Count: 2
    Date:
    Observer: Jim Bowhay
    Location: Costco Slough, Orland Park
  11. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  12. Palm Warbler Setophaga palmarum
    # Count: 4
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  13. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  14. American Goldfinch Spinus tristis
    # Count: 20
    Date:
    Observer: Demond McDonald
    Location: Costco Slough, Orland Park
  15. Barn Swallow Hirundo rustica
    # Count: 20
    Date:
    Observer: Demond McDonald
    Location: Costco Slough, Orland Park
  16. Caspian Tern Hydroprogne caspia
    # Count: 6
    Date:
    Observer: Demond McDonald
    Location: Costco Slough, Orland Park
  17. Black Tern Chlidonias niger
    # Count: 1
    Date:
    Observer: Beth Simkins
    Location: Costco Slough, Orland Park
  18. House Sparrow Passer domesticus
    # Count: 45
    Date:
    Observer: Simon Tolzmann
    Location: Costco Slough, Orland Park
  19. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Katie Milewski
    Location: Costco Slough, Orland Park
  20. Eastern Meadowlark Sturnella magna
    # Count: 1
    Date:
    Observer: Katie Milewski
    Location: Costco Slough, Orland Park
  21. Spotted Sandpiper Actitis macularius
    # Count: 6
    Date:
    Observer: Cary Hillegonds
    Location: Costco Slough, Orland Park
  22. Semipalmated Sandpiper Calidris pusilla
    # Count: 3
    Date:
    Observer: Cary Hillegonds
    Location: Costco Slough, Orland Park
  23. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 2
    Date:
    Observer: Bill Howe
    Location: Costco Slough, Orland Park
  24. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  25. Warbling Vireo Vireo gilvus
    # Count: 3
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  26. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  27. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  28. Yellow Warbler Setophaga petechia
    # Count: 4
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  29. Northern Cardinal Cardinalis cardinalis
    # Count: 6
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  30. Willow Flycatcher Empidonax traillii
    # Count: 3
    Date:
    Observer: Cary Hillegonds
    Location: Costco Slough, Orland Park
  31. Bell's Vireo Vireo bellii
    # Count: 1
    Date:
    Observer: Diane Hicks
    Location: Costco Slough, Orland Park
  32. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  33. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  34. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  35. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  36. Yellow-throated Vireo Vireo flavifrons
    # Count: 1
    Date:
    Observer: Jim Bowhay
    Location: Costco Slough, Orland Park
  37. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: Cary Hillegonds
    Location: Costco Slough, Orland Park
  38. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 2
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  39. Common Merganser Mergus merganser
    # Count: 6
    Date:
    Observer: Pat Andersen
    Location: Costco Slough, Orland Park
  40. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Sean Kennedy
    Location: Costco Slough, Orland Park
  41. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Sean Kennedy
    Location: Costco Slough, Orland Park
  42. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Sean Kennedy
    Location: Costco Slough, Orland Park
  43. American Crow Corvus brachyrhynchos
    # Count: 2
    Date:
    Observer: Sean Kennedy
    Location: Costco Slough, Orland Park
  44. Fox Sparrow Passerella iliaca
    # Count: 3
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  45. American Wigeon Mareca americana
    # Count: 8
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  46. Northern Pintail Anas acuta
    # Count: 4
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  47. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  48. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Jim Bowhay
    Location: Costco Slough, Orland Park
  49. Swamp Sparrow Melospiza georgiana
    # Count: 2
    Date:
    Observer: Jim Bowhay
    Location: Costco Slough, Orland Park
  50. Greater Yellowlegs Tringa melanoleuca
    # Count: 5
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  51. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  52. Cackling Goose Branta hutchinsii
    # Count: 4
    Date:
    Observer: Suzy Deese
    Location: Costco Slough, Orland Park
  53. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 4
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  54. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 4
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  55. Rusty Blackbird Euphagus carolinus
    # Count: 4
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  56. Cape May Warbler Setophaga tigrina
    # Count: 2
    Date:
    Observer: Chris Roman
    Location: Costco Slough, Orland Park
  57. Yellow-rumped Warbler Setophaga coronata
    # Count: 6
    Date:
    Observer: Chris Roman
    Location: Costco Slough, Orland Park
  58. Ruby-throated Hummingbird Archilochus colubris
    # Count: 2
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  59. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  60. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  61. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  62. Indigo Bunting Passerina cyanea
    # Count: 3
    Date:
    Observer: Susan Zelek
    Location: Costco Slough, Orland Park
  63. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Chris Roman
    Location: Costco Slough, Orland Park
  64. Black-capped Chickadee Poecile atricapillus
    # Count: 2
    Date:
    Observer: David Carlson
    Location: Costco Slough, Orland Park
  65. American Avocet Recurvirostra americana
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  66. Wood Duck Aix sponsa
    # Count: 72
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  67. Solitary Sandpiper Tringa solitaria
    # Count: 2
    Date:
    Observer: Karen Warner
    Location: Costco Slough, Orland Park
  68. House Wren Troglodytes aedon
    # Count: 2
    Date:
    Observer: Ben Kerstetter
    Location: Costco Slough, Orland Park
  69. Least Sandpiper Calidris minutilla
    # Count: 12
    Date:
    Observer: Joye Zhou
    Location: Costco Slough, Orland Park
  70. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  71. Common Gallinule Gallinula galeata
    # Count: 12
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  72. Downy Woodpecker Dryobates pubescens
    # Count: 2
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  73. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  74. Brown-headed Cowbird Molothrus ater
    # Count: 7
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  75. Gray Catbird Dumetella carolinensis
    # Count: 3
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  76. White-rumped Sandpiper Calidris fuscicollis
    # Count: 1
    Date:
    Observer: Davida Kalina
    Location: Costco Slough, Orland Park
  77. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  78. Savannah Sparrow Passerculus sandwichensis
    # Count: 2
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  79. Tennessee Warbler Leiothlypis peregrina
    # Count: 3
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  80. American Redstart Setophaga ruticilla
    # Count: 2
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  81. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  82. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  83. Alder Flycatcher Empidonax alnorum
    # Count: 1
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  84. Brown Thrasher Toxostoma rufum
    # Count: 2
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  85. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  86. Tree Swallow Tachycineta bicolor
    # Count: 50
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  87. Mute Swan Cygnus olor
    # Count: 2
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  88. Forster's Tern Sterna forsteri
    # Count: 2
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  89. Pied-billed Grebe Podilymbus podiceps
    # Count: 12
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  90. Canvasback Aythya valisineria
    # Count: 1
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  91. Wilson's Snipe Gallinago delicata
    # Count: 6
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  92. American Black Duck Anas rubripes
    # Count: 2
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  93. Trumpeter Swan Cygnus buccinator
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  94. Lesser Scaup Aythya affinis
    # Count: 42
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  95. American Coot Fulica americana
    # Count: 44
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  96. Northern Harrier Circus hudsonius
    # Count: 3
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  97. Song Sparrow Melospiza melodia
    # Count: 8
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  98. Hooded Merganser Lophodytes cucullatus
    # Count: 30
    Date:
    Observer: Anonymous eBirder
    Location: Costco Slough, Orland Park
  99. Red-breasted Merganser Mergus serrator
    # Count: 20
    Date:
    Observer: Anonymous eBirder
    Location: Costco Slough, Orland Park
  100. Ring-necked Duck Aythya collaris
    # Count: 33
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  101. Red-winged Blackbird Agelaius phoeniceus
    # Count: 55
    Date:
    Observer: Alex Haza
    Location: Costco Slough, Orland Park
  102. Northern Shoveler Spatula clypeata
    # Count: 67
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  103. Ruddy Duck Oxyura jamaicensis
    # Count: 2
    Date:
    Observer: Katharine Spencer
    Location: Costco Slough, Orland Park
  104. Blue-winged Teal Spatula discors
    # Count: 18
    Date:
    Observer: Owen Woodhouse
    Location: Costco Slough, Orland Park
  105. Common Grackle Quiscalus quiscula
    # Count: 20
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  106. Common Goldeneye Bucephala clangula
    # Count: 2
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  107. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  108. Common Redpoll Acanthis flammea
    # Count: 10
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  109. Gadwall Mareca strepera
    # Count: 54
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  110. Mallard Anas platyrhynchos
    # Count: 110
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  111. American Robin Turdus migratorius
    # Count: 30
    Date:
    Observer: Josh Engel
    Location: Costco Slough, Orland Park
  112. Ring-billed Gull Larus delawarensis
    # Count: 100
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  113. Peregrine Falcon Falco peregrinus
    # Count: 2
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  114. Chimney Swift Chaetura pelagica
    # Count: 50
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  115. Eastern Phoebe Sayornis phoebe
    # Count: 2
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  116. Northern Waterthrush Parkesia noveboracensis
    # Count: 2
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  117. Great Egret Ardea alba
    # Count: 18
    Date:
    Observer: Nancy Buis
    Location: Costco Slough, Orland Park
  118. Eastern Kingbird Tyrannus tyrannus
    # Count: 7
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  119. Purple Martin Progne subis
    # Count: 6
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  120. Great Blue Heron Ardea herodias
    # Count: 6
    Date:
    Observer: Matthew Cvetas
    Location: Costco Slough, Orland Park
  121. Sedge Wren Cistothorus stellaris
    # Count: 1
    Date:
    Observer: Kevin Lin
    Location: Costco Slough, Orland Park
  122. European Starling Sturnus vulgaris
    # Count: 235
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  123. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: Sean Kennedy
    Location: Costco Slough, Orland Park
  124. Osprey Pandion haliaetus
    # Count: 4
    Date:
    Observer: Judy Pollock
    Location: Costco Slough, Orland Park
  125. Carolina Wren Thryothorus ludovicianus
    # Count: 2
    Date:
    Observer: Jarrod Routh
    Location: Costco Slough, Orland Park
  126. American Kestrel Falco sparverius
    # Count: 3
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  127. Red-tailed Hawk Buteo jamaicensis
    # Count: 3
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  128. Virginia Rail Rallus limicola
    # Count: 6
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  129. Double-crested Cormorant Nannopterum auritum
    # Count: 36
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  130. Orchard Oriole Icterus spurius
    # Count: 2
    Date:
    Observer: Anonymous eBirber
    Location: Costco Slough, Orland Park
  131. Least Bittern Ixobrychus exilis
    # Count: 3
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  132. House Finch Haemorhous mexicanus
    # Count: 12
    Date:
    Observer: Hazem Alkhan
    Location: Costco Slough, Orland Park
  133. Sora Porzana carolina
    # Count: 5
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  134. Mourning Dove Zenaida macroura
    # Count: 60
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  135. Rock Pigeon Columba livia
    # Count: 30
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  136. Blue Jay Cyanocitta cristata
    # Count: 2
    Date:
    Observer: Jake Vinsel
    Location: Costco Slough, Orland Park
  137. Marsh Wren Cistothorus palustris
    # Count: 7
    Date:
    Observer: Jake Vinsel
    Location: Costco Slough, Orland Park
  138. Cedar Waxwing Bombycilla cedrorum
    # Count: 9
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  139. Eastern Towhee Pipilo erythrophthalmus
    # Count: 2
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  140. Common Yellowthroat Geothlypis trichas
    # Count: 5
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  141. Northern Flicker Colaptes auratus
    # Count: 5
    Date:
    Observer: Linda Radtke
    Location: Costco Slough, Orland Park
  142. Green Heron Butorides virescens
    # Count: 7
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park
  143. Bank Swallow Riparia riparia
    # Count: 2
    Date:
    Observer: Hazem Alkhan
    Location: Costco Slough, Orland Park
  144. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Jayne L
    Location: Costco Slough, Orland Park
  145. Redhead Aythya americana
    # Count: 8
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  146. Bufflehead Bucephala albeola
    # Count: 8
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  147. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Susan Zelek
    Location: Costco Slough, Orland Park
  148. American Tree Sparrow Spizelloides arborea
    # Count: 4
    Date:
    Observer: Susan Zelek
    Location: Costco Slough, Orland Park
  149. Short-billed Dowitcher Limnodromus griseus
    # Count: 2
    Date:
    Observer: Susan Zelek
    Location: Costco Slough, Orland Park
  150. Killdeer Charadrius vociferus
    # Count: 20
    Date:
    Observer: Susan Zelek
    Location: Costco Slough, Orland Park
  151. Lesser Yellowlegs Tringa flavipes
    # Count: 6
    Date:
    Observer: Susan Zelek
    Location: Costco Slough, Orland Park
  152. Pectoral Sandpiper Calidris melanotos
    # Count: 6
    Date:
    Observer: Susan Zelek
    Location: Costco Slough, Orland Park
  153. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 12
    Date:
    Observer: Susan Zelek
    Location: Costco Slough, Orland Park

Hybrids (1)

  1. Blue-winged Teal x Northern Shoveler (hybrid) Spatula discors x clypeata
    # Count: 1
    Date:
    Observer: Linda Stwora
    Location: Costco Slough, Orland Park

Additional Taxa (12)

  1. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Patty Jean
    Location: Costco Slough, Orland Park
  2. new world warbler sp. Parulidae sp.
    # Count: 2
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  3. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  4. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park
  5. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 2
    Date:
    Observer: Marlys Oosting
    Location: Costco Slough, Orland Park
  6. swallow sp. Hirundinidae sp.
    # Count: 25
    Date:
    Observer: Gary Clinkman
    Location: Costco Slough, Orland Park
  7. gull sp. Larinae sp.
    # Count: 3
    Date:
    Observer: Hazem Alkhan
    Location: Costco Slough, Orland Park
  8. heron sp. Ardeidae sp.
    # Count: 1
    Date:
    Observer: Hazem Alkhan
    Location: Costco Slough, Orland Park
  9. passerine sp. Passeriformes sp.
    # Count: 30
    Date:
    Observer: Hazem Alkhan
    Location: Costco Slough, Orland Park
  10. duck sp. Anatidae (duck sp.)
    # Count: 4
    Date:
    Observer: Hazem Alkhan
    Location: Costco Slough, Orland Park
  11. new world sparrow sp. Passerellidae sp.
    # Count: 6
    Date:
    Observer: Hazem Alkhan
    Location: Costco Slough, Orland Park
  12. blackbird sp. Icteridae sp.
    # Count: 40
    Date:
    Observer: Ian Sarmiento
    Location: Costco Slough, Orland Park