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Bird List

Updated ~13 seconds ago
222 All Years 122 This Year 2024 48 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (222)

  1. Black Scoter Melanitta americana
    # Count: 27
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  2. Snow Bunting Plectrophenax nivalis
    # Count: 25
    Date:
    Observer: Hsing Min
    Location: Arlington Reservoir
  3. Pine Siskin Spinus pinus
    # Count: 20
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  4. Short-billed Dowitcher Limnodromus griseus
    # Count: 16
    Date:
    Observer: Kate Shulgina
    Location: Arlington Reservoir
  5. Canada Goose Branta canadensis
    # Count: 14
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  6. European Starling Sturnus vulgaris
    # Count: 12
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  7. Black-legged Kittiwake Rissa tridactyla
    # Count: 11
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  8. House Sparrow Passer domesticus
    # Count: 6
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  9. Brown-headed Cowbird Molothrus ater
    # Count: 6
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  10. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 5
    Date:
    Observer: Brandi Sikorski
    Location: Arlington Reservoir
  11. Common Redpoll Acanthis flammea
    # Count: 5
    Date:
    Observer: Maria Moyser
    Location: Arlington Reservoir
  12. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 5
    Date:
    Observer: Nina Shepardson
    Location: Arlington Reservoir
  13. Song Sparrow Melospiza melodia
    # Count: 4
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  14. Rusty Blackbird Euphagus carolinus
    # Count: 4
    Date:
    Observer: Todd Fellenbaum
    Location: Arlington Reservoir
  15. Northern Cardinal Cardinalis cardinalis
    # Count: 4
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  16. Bufflehead Bucephala albeola
    # Count: 3
    Date:
    Observer: Hsing Min
    Location: Arlington Reservoir
  17. Rock Pigeon Columba livia
    # Count: 3
    Date:
    Observer: Nina Shepardson
    Location: Arlington Reservoir
  18. American Robin Turdus migratorius
    # Count: 3
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  19. Common Grackle Quiscalus quiscula
    # Count: 3
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  20. Mute Swan Cygnus olor
    # Count: 2
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  21. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  22. Mallard Anas platyrhynchos
    # Count: 2
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  23. American Black Duck Anas rubripes
    # Count: 2
    Date:
    Observer: Julie R
    Location: Arlington Reservoir
  24. Green-winged Teal Anas crecca
    # Count: 2
    Date:
    Observer: Chris Floyd
    Location: Arlington Reservoir
  25. Lesser Scaup Aythya affinis
    # Count: 2
    Date:
    Observer: Alyssa Russell
    Location: Arlington Reservoir
  26. Common Goldeneye Bucephala clangula
    # Count: 2
    Date:
    Observer: Betty Widerski
    Location: Arlington Reservoir
  27. Hooded Merganser Lophodytes cucullatus
    # Count: 2
    Date:
    Observer: Toby Sackton
    Location: Arlington Reservoir
  28. Chimney Swift Chaetura pelagica
    # Count: 2
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  29. Lesser Yellowlegs Tringa flavipes
    # Count: 2
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  30. Stilt Sandpiper Calidris himantopus
    # Count: 2
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  31. Dunlin Calidris alpina
    # Count: 2
    Date:
    Observer: Bill Lee
    Location: Arlington Reservoir
  32. Baird's Sandpiper Calidris bairdii
    # Count: 2
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  33. Ring-billed Gull Larus delawarensis
    # Count: 2
    Date:
    Observer: Fred Bouchard
    Location: Arlington Reservoir
  34. Downy Woodpecker Dryobates pubescens
    # Count: 2
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  35. Warbling Vireo Vireo gilvus
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  36. Tufted Titmouse Baeolophus bicolor
    # Count: 2
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  37. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 2
    Date:
    Observer: Ann Gurka
    Location: Arlington Reservoir
  38. Gray Catbird Dumetella carolinensis
    # Count: 2
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  39. Eastern Bluebird Sialia sialis
    # Count: 2
    Date:
    Observer: Robert Aimo
    Location: Arlington Reservoir
  40. Dark-eyed Junco Junco hyemalis
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  41. Eastern Meadowlark Sturnella magna
    # Count: 2
    Date:
    Observer: bernadette kolb
    Location: Arlington Reservoir
  42. Orchard Oriole Icterus spurius
    # Count: 2
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  43. Cape May Warbler Setophaga tigrina
    # Count: 2
    Date:
    Observer: Jonathan Mott
    Location: Arlington Reservoir
  44. Northern Parula Setophaga americana
    # Count: 2
    Date:
    Observer: Stan Deutsch
    Location: Arlington Reservoir
  45. Bay-breasted Warbler Setophaga castanea
    # Count: 2
    Date:
    Observer: Eli Martin
    Location: Arlington Reservoir
  46. Scarlet Tanager Piranga olivacea
    # Count: 2
    Date:
    Observer: Dan Winkler
    Location: Arlington Reservoir
  47. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  48. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  49. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Jan Brandin
    Location: Arlington Reservoir
  50. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  51. Barnacle Goose Branta leucopsis
    # Count: 1
    Date:
    Observer: Joan Stoner
    Location: Arlington Reservoir
  52. Cackling Goose Branta hutchinsii
    # Count: 1
    Date:
    Observer: Bob Stymeist
    Location: Arlington Reservoir
  53. Wood Duck Aix sponsa
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  54. Northern Shoveler Spatula clypeata
    # Count: 1
    Date:
    Observer: Chris Floyd
    Location: Arlington Reservoir
  55. Gadwall Mareca strepera
    # Count: 1
    Date:
    Observer: George Nassiopoulos
    Location: Arlington Reservoir
  56. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  57. American Wigeon Mareca americana
    # Count: 1
    Date:
    Observer: Katelyn Kunert
    Location: Arlington Reservoir
  58. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  59. Canvasback Aythya valisineria
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  60. Redhead Aythya americana
    # Count: 1
    Date:
    Observer: C. Phillips
    Location: Arlington Reservoir
  61. Ring-necked Duck Aythya collaris
    # Count: 1
    Date:
    Observer: Sara Brown
    Location: Arlington Reservoir
  62. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Harris Stein
    Location: Arlington Reservoir
  63. Common Merganser Mergus merganser
    # Count: 1
    Date:
    Observer: Abigail Stone
    Location: Arlington Reservoir
  64. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: Bryan Guski
    Location: Arlington Reservoir
  65. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: D. J. Nyochio
    Location: Arlington Reservoir
  66. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: Betty Widerski
    Location: Arlington Reservoir
  67. Ruffed Grouse Bonasa umbellus
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  68. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: tom aversa
    Location: Arlington Reservoir
  69. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Michael Hochstetler
    Location: Arlington Reservoir
  70. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Angelo Valle
    Location: Arlington Reservoir
  71. Mourning Dove Zenaida macroura
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  72. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  73. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 1
    Date:
    Observer: Michael Hochstetler
    Location: Arlington Reservoir
  74. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  75. Eastern Whip-poor-will Antrostomus vociferus
    # Count: 1
    Date:
    Observer: Paul Hackett
    Location: Arlington Reservoir
  76. Ruby-throated Hummingbird Archilochus colubris
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  77. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Kathryn Dia
    Location: Arlington Reservoir
  78. American Coot Fulica americana
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  79. American Golden-Plover Pluvialis dominica
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  80. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  81. Semipalmated Plover Charadrius semipalmatus
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  82. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Andy Scholten
    Location: Arlington Reservoir
  83. American Woodcock Scolopax minor
    # Count: 1
    Date:
    Observer: Giuliana Stovall
    Location: Arlington Reservoir
  84. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Stan Deutsch
    Location: Arlington Reservoir
  85. Red Phalarope Phalaropus fulicarius
    # Count: 1
    Date:
    Observer: Jeffrey Offermann
    Location: Arlington Reservoir
  86. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Kari Sasportas
    Location: Arlington Reservoir
  87. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Giuliana Stovall
    Location: Arlington Reservoir
  88. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Laurie (Duck) Caldwell
    Location: Arlington Reservoir
  89. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  90. White-rumped Sandpiper Calidris fuscicollis
    # Count: 1
    Date:
    Observer: Ann Gurka
    Location: Arlington Reservoir
  91. Least Sandpiper Calidris minutilla
    # Count: 1
    Date:
    Observer: Hsing Min
    Location: Arlington Reservoir
  92. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  93. Western Sandpiper Calidris mauri
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  94. Semipalmated Sandpiper Calidris pusilla
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  95. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Stan Deutsch
    Location: Arlington Reservoir
  96. Great Black-backed Gull Larus marinus
    # Count: 1
    Date:
    Observer: John Edmondson
    Location: Arlington Reservoir
  97. Glaucous Gull Larus hyperboreus
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  98. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Bob Stymeist
    Location: Arlington Reservoir
  99. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  100. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: ryan doherty
    Location: Arlington Reservoir
  101. Forster's Tern Sterna forsteri
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  102. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  103. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Ben Zackin
    Location: Arlington Reservoir
  104. Great Cormorant Phalacrocorax carbo
    # Count: 1
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  105. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Ann Gurka
    Location: Arlington Reservoir
  106. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Ashwin Shetty
    Location: Arlington Reservoir
  107. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  108. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  109. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  110. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Peter Modest
    Location: Arlington Reservoir
  111. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  112. Glossy Ibis Plegadis falcinellus
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  113. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: Kari Sasportas
    Location: Arlington Reservoir
  114. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  115. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Ann Gurka
    Location: Arlington Reservoir
  116. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Susan Packard
    Location: Arlington Reservoir
  117. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  118. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  119. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Benjamin Nourse Gross
    Location: Arlington Reservoir
  120. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Matt Kaiser
    Location: Arlington Reservoir
  121. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Joan Stoner
    Location: Arlington Reservoir
  122. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  123. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  124. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Hsing Min
    Location: Arlington Reservoir
  125. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Stan Deutsch
    Location: Arlington Reservoir
  126. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  127. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  128. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  129. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Benjamin Brown-Steiner
    Location: Arlington Reservoir
  130. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  131. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Katie Franci
    Location: Arlington Reservoir
  132. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Hsing Min
    Location: Arlington Reservoir
  133. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Benjamin Brown-Steiner
    Location: Arlington Reservoir
  134. Eastern Wood-Pewee Contopus virens
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  135. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Jim McCoy
    Location: Arlington Reservoir
  136. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Betty Widerski
    Location: Arlington Reservoir
  137. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  138. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Betty Widerski
    Location: Arlington Reservoir
  139. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Brandi Sikorski
    Location: Arlington Reservoir
  140. Yellow-throated Vireo Vireo flavifrons
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  141. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  142. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  143. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  144. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  145. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Brandi Sikorski
    Location: Arlington Reservoir
  146. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  147. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  148. Black-capped Chickadee Poecile atricapillus
    # Count: 1
    Date:
    Observer: Brandi Sikorski
    Location: Arlington Reservoir
  149. Horned Lark Eremophila alpestris
    # Count: 1
    Date:
    Observer: Marshall Iliff
    Location: Arlington Reservoir
  150. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: Abigail Stone
    Location: Arlington Reservoir
  151. Purple Martin Progne subis
    # Count: 1
    Date:
    Observer: Jeremiah Trimble
    Location: Arlington Reservoir
  152. Barn Swallow Hirundo rustica
    # Count: 1
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  153. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Fred Bouchard
    Location: Arlington Reservoir
  154. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  155. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  156. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Rita Grossman
    Location: Arlington Reservoir
  157. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  158. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  159. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Kari Sasportas
    Location: Arlington Reservoir
  160. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: A Do
    Location: Arlington Reservoir
  161. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Mark Hibberd
    Location: Arlington Reservoir
  162. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  163. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  164. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  165. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Jonathan Layman
    Location: Arlington Reservoir
  166. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Hsing Min
    Location: Arlington Reservoir
  167. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Laurie (Duck) Caldwell
    Location: Arlington Reservoir
  168. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: Chuck Carney
    Location: Arlington Reservoir
  169. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  170. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Fen Levy
    Location: Arlington Reservoir
  171. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  172. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  173. Lapland Longspur Calcarius lapponicus
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  174. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  175. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: erica stern
    Location: Arlington Reservoir
  176. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: John Wysocki
    Location: Arlington Reservoir
  177. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Betty Widerski
    Location: Arlington Reservoir
  178. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Ben Peters
    Location: Arlington Reservoir
  179. American Tree Sparrow Spizelloides arborea
    # Count: 1
    Date:
    Observer: John Edmondson
    Location: Arlington Reservoir
  180. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Robert Gervais
    Location: Arlington Reservoir
  181. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Stuart L
    Location: Arlington Reservoir
  182. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Fen Levy
    Location: Arlington Reservoir
  183. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  184. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Jules S
    Location: Arlington Reservoir
  185. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Patrick Johnson
    Location: Arlington Reservoir
  186. Eastern Towhee Pipilo erythrophthalmus
    # Count: 1
    Date:
    Observer: Laurie (Duck) Caldwell
    Location: Arlington Reservoir
  187. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  188. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  189. Red-winged Blackbird Agelaius phoeniceus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  190. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Jonas Borgstrom
    Location: Arlington Reservoir
  191. Louisiana Waterthrush Parkesia motacilla
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  192. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Peter Lloyd-evans
    Location: Arlington Reservoir
  193. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: Jackson Childs
    Location: Arlington Reservoir
  194. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Jonas Borgstrom
    Location: Arlington Reservoir
  195. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  196. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  197. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  198. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Jan Smith
    Location: Arlington Reservoir
  199. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  200. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Jonas Borgstrom
    Location: Arlington Reservoir
  201. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  202. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Mark Hibberd
    Location: Arlington Reservoir
  203. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  204. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 1
    Date:
    Observer: Julie R
    Location: Arlington Reservoir
  205. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Dan Winkler
    Location: Arlington Reservoir
  206. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 1
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  207. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Paul K
    Location: Arlington Reservoir
  208. Pine Warbler Setophaga pinus
    # Count: 1
    Date:
    Observer: Fred Bouchard
    Location: Arlington Reservoir
  209. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Jan Brandin
    Location: Arlington Reservoir
  210. Yellow-throated Warbler Setophaga dominica
    # Count: 1
    Date:
    Observer: Mark Rosenstein
    Location: Arlington Reservoir
  211. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  212. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Kari Sasportas
    Location: Arlington Reservoir
  213. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Nancy U
    Location: Arlington Reservoir
  214. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Kari Sasportas
    Location: Arlington Reservoir
  215. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Betty Widerski
    Location: Arlington Reservoir
  216. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  217. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Susan Packard
    Location: Arlington Reservoir
  218. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  219. White-winged Scoter Melanitta deglandi
    # Count: X
    Date:
    Observer: Robert Foster
    Location: Arlington Reservoir
  220. Tree Swallow Tachycineta bicolor
    # Count: X
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  221. Cedar Waxwing Bombycilla cedrorum
    # Count: X
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  222. Purple Finch Haemorhous purpureus
    # Count: X
    Date:
    Observer: Richard Sailor
    Location: Arlington Reservoir

Exotic: Escapee (2)

  1. Muscovy Duck Cairina moschata
    # Count: 1
    Date:
    Observer: Susan Packard
    Location: Arlington Reservoir
  2. European Goldfinch Carduelis carduelis
    # Count: 1
    Date:
    Observer: Thomas Dempsey
    Location: Arlington Reservoir

Hybrids (2)

  1. Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchos
    # Count: 2
    Date:
    Observer: Marshall Iliff
    Location: Arlington Reservoir
  2. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Paul K
    Location: Arlington Reservoir

Additional Taxa (43)

  1. passerine sp. Passeriformes sp.
    # Count: 150
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  2. teal sp. Anatidae sp. (teal sp.)
    # Count: 10
    Date:
    Observer: John Young
    Location: Arlington Reservoir
  3. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 10
    Date:
    Observer: Maria Moyser
    Location: Arlington Reservoir
  4. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 4
    Date:
    Observer: George Nassiopoulos
    Location: Arlington Reservoir
  5. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 3
    Date:
    Observer: D. J. Nyochio
    Location: Arlington Reservoir
  6. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 3
    Date:
    Observer: John Edmondson
    Location: Arlington Reservoir
  7. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 3
    Date:
    Observer: Christian Gras
    Location: Arlington Reservoir
  8. finch sp. Fringillidae sp.
    # Count: 3
    Date:
    Observer: Em Daly
    Location: Arlington Reservoir
  9. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 2
    Date:
    Observer: Stan Deutsch
    Location: Arlington Reservoir
  10. Empidonax sp. Empidonax sp.
    # Count: 2
    Date:
    Observer: Henrietta Yelle
    Location: Arlington Reservoir
  11. crow sp. Corvus sp. (crow sp.)
    # Count: 2
    Date:
    Observer: Hsing Min
    Location: Arlington Reservoir
  12. new world warbler sp. Parulidae sp.
    # Count: 2
    Date:
    Observer: Fred Bouchard
    Location: Arlington Reservoir
  13. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 1
    Date:
    Observer: Dan Littauer
    Location: Arlington Reservoir
  14. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 1
    Date:
    Observer: Nick Diaco
    Location: Arlington Reservoir
  15. goose sp. Anatidae (goose sp.)
    # Count: 1
    Date:
    Observer: Valerie Burdette
    Location: Arlington Reservoir
  16. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 1
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  17. duck sp. Anatidae (duck sp.)
    # Count: 1
    Date:
    Observer: George Nassiopoulos
    Location: Arlington Reservoir
  18. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: Ann Gurka
    Location: Arlington Reservoir
  19. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  20. Tringa sp. Tringa sp.
    # Count: 1
    Date:
    Observer: Bryan Guski
    Location: Arlington Reservoir
  21. peep sp. Calidris sp. (peep sp.)
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  22. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Andrew W.
    Location: Arlington Reservoir
  23. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Arlington Reservoir
  24. tern sp. Sterninae sp.
    # Count: 1
    Date:
    Observer: Bird Observer Data
    Location: Arlington Reservoir
  25. heron sp. Ardeidae sp.
    # Count: 1
    Date:
    Observer: Nick Teague
    Location: Arlington Reservoir
  26. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: John Edmondson
    Location: Arlington Reservoir
  27. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Andrew Joynt
    Location: Arlington Reservoir
  28. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: John Edmondson
    Location: Arlington Reservoir
  29. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: George Nassiopoulos
    Location: Arlington Reservoir
  30. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  31. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Stan Deutsch
    Location: Arlington Reservoir
  32. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 1
    Date:
    Observer: Ann Gurka
    Location: Arlington Reservoir
  33. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Justin Wiley
    Location: Arlington Reservoir
  34. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: kandy rathinasamy
    Location: Arlington Reservoir
  35. swallow sp. Hirundinidae sp.
    # Count: 1
    Date:
    Observer: Karsten Hartel
    Location: Arlington Reservoir
  36. Catharus sp. Catharus sp.
    # Count: 1
    Date:
    Observer: bernadette kolb
    Location: Arlington Reservoir
  37. Spizella sp. Spizella sp.
    # Count: 1
    Date:
    Observer: Jason Forbes
    Location: Arlington Reservoir
  38. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: Jackie Anderson
    Location: Arlington Reservoir
  39. blackbird sp. Icteridae sp.
    # Count: 1
    Date:
    Observer: Sharman Altshuler
    Location: Arlington Reservoir
  40. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 1
    Date:
    Observer: Neil Hayward
    Location: Arlington Reservoir
  41. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    # Count: 1
    Date:
    Observer: Mark Price
    Location: Arlington Reservoir
  42. Setophaga sp. Setophaga sp.
    # Count: 1
    Date:
    Observer: Jonathan Layman
    Location: Arlington Reservoir
  43. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Adrien C
    Location: Arlington Reservoir