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Assabet River NWR

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Bird List

Updated ~6 seconds ago
191 All Years 93 This Year 2024 0 This Month May 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (191)

  1. Canada Goose Branta canadensis
    # Count: 2
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  2. Mourning Dove Zenaida macroura
    # Count: 2
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  3. Barred Owl Strix varia
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  4. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  5. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  6. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  7. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  8. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  9. Black-capped Chickadee Poecile atricapillus
    # Count: 3
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  10. Tufted Titmouse Baeolophus bicolor
    # Count: 4
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  11. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  12. Gray Catbird Dumetella carolinensis
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  13. American Robin Turdus migratorius
    # Count: 2
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  14. White-throated Sparrow Zonotrichia albicollis
    # Count: 7
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  15. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  16. Eastern Towhee Pipilo erythrophthalmus
    # Count: 6
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  17. Red-winged Blackbird Agelaius phoeniceus
    # Count: 5
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  18. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  19. Pine Warbler Setophaga pinus
    # Count: 3
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  20. Scarlet Tanager Piranga olivacea
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  21. Northern Cardinal Cardinalis cardinalis
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  22. Mallard Anas platyrhynchos
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  23. Wild Turkey Meleagris gallopavo
    # Count: 2
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  24. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  25. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  26. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  27. Tree Swallow Tachycineta bicolor
    # Count: 15
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  28. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  29. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  30. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  31. Chipping Sparrow Spizella passerina
    # Count: 3
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  32. Field Sparrow Spizella pusilla
    # Count: 2
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  33. Savannah Sparrow Passerculus sandwichensis
    # Count: 2
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  34. Brown-headed Cowbird Molothrus ater
    # Count: 4
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  35. Common Grackle Quiscalus quiscula
    # Count: 4
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  36. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  37. Great Blue Heron Ardea herodias
    # Count: 5
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  38. Red-tailed Hawk Buteo jamaicensis
    # Count: 2
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  39. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  40. Blue Jay Cyanocitta cristata
    # Count: X
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  41. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  42. Eastern Bluebird Sialia sialis
    # Count: 2
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  43. House Sparrow Passer domesticus
    # Count: X
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  44. Pine Siskin Spinus pinus
    # Count: X
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  45. American Goldfinch Spinus tristis
    # Count: X
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  46. Yellow-rumped Warbler Setophaga coronata
    # Count: X
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  47. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: delia moore
    Location: Assabet River NWR
  48. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: delia moore
    Location: Assabet River NWR
  49. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: delia moore
    Location: Assabet River NWR
  50. European Starling Sturnus vulgaris
    # Count: 2
    Date:
    Observer: delia moore
    Location: Assabet River NWR
  51. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Brewer B
    Location: Assabet River NWR
  52. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Ron Schlegel
    Location: Assabet River NWR
  53. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Ron Schlegel
    Location: Assabet River NWR
  54. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Ron Schlegel
    Location: Assabet River NWR
  55. Purple Finch Haemorhous purpureus
    # Count: 1
    Date:
    Observer: Ron Schlegel
    Location: Assabet River NWR
  56. Swamp Sparrow Melospiza georgiana
    # Count: 2
    Date:
    Observer: Ron Schlegel
    Location: Assabet River NWR
  57. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  58. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  59. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  60. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  61. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Assabet River NWR
  62. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Adam Gerhart
    Location: Assabet River NWR
  63. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: Robert Thaenert
    Location: Assabet River NWR
  64. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Robert Thaenert
    Location: Assabet River NWR
  65. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  66. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  67. Barn Swallow Hirundo rustica
    # Count: 2
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  68. Golden-crowned Kinglet Regulus satrapa
    # Count: 2
    Date:
    Observer: Sam Denenberg
    Location: Assabet River NWR
  69. Red Crossbill Loxia curvirostra
    # Count: 2
    Date:
    Observer: Matt Kaiser
    Location: Assabet River NWR
  70. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Matt Watson
    Location: Assabet River NWR
  71. Mute Swan Cygnus olor
    # Count: 2
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  72. Ring-necked Duck Aythya collaris
    # Count: 5
    Date:
    Observer: Laura Lane
    Location: Assabet River NWR
  73. Chimney Swift Chaetura pelagica
    # Count: 2
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  74. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  75. Dark-eyed Junco Junco hyemalis
    # Count: 3
    Date:
    Observer: Sundar Laks
    Location: Assabet River NWR
  76. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Hsing Min
    Location: Assabet River NWR
  77. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Christopher Errington
    Location: Assabet River NWR
  78. Common Merganser Mergus merganser
    # Count: 9
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  79. American Woodcock Scolopax minor
    # Count: 5
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  80. Green-winged Teal Anas crecca
    # Count: 2
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  81. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Robert Thaenert
    Location: Assabet River NWR
  82. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Laura Lane
    Location: Assabet River NWR
  83. Gadwall Mareca strepera
    # Count: 1
    Date:
    Observer: Cristina Hartshorn
    Location: Assabet River NWR
  84. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Cristina Hartshorn
    Location: Assabet River NWR
  85. Sharp-shinned Hawk Accipiter striatus
    # Count: 3
    Date:
    Observer: Robert Thaenert
    Location: Assabet River NWR
  86. American Black Duck Anas rubripes
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  87. Ring-billed Gull Larus delawarensis
    # Count: 2
    Date:
    Observer: Timothy Spahr
    Location: Assabet River NWR
  88. American Wigeon Mareca americana
    # Count: 1
    Date:
    Observer: Laura Lane
    Location: Assabet River NWR
  89. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: ryan doherty
    Location: Assabet River NWR
  90. Bufflehead Bucephala albeola
    # Count: 1
    Date:
    Observer: Jason Barcus
    Location: Assabet River NWR
  91. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Erik Zilinek
    Location: Assabet River NWR
  92. American Tree Sparrow Spizelloides arborea
    # Count: 1
    Date:
    Observer: Richard Sirull
    Location: Assabet River NWR
  93. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Brewer B
    Location: Assabet River NWR
  94. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  95. Cedar Waxwing Bombycilla cedrorum
    # Count: 5
    Date:
    Observer: Brewer B
    Location: Assabet River NWR
  96. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: Bruce Black
    Location: Assabet River NWR
  97. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Bruce Black
    Location: Assabet River NWR
  98. Blue-winged Teal Spatula discors
    # Count: 4
    Date:
    Observer: Douglas Clendaniel
    Location: Assabet River NWR
  99. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Douglas Clendaniel
    Location: Assabet River NWR
  100. Rusty Blackbird Euphagus carolinus
    # Count: 8
    Date:
    Observer: Douglas Clendaniel
    Location: Assabet River NWR
  101. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Joan LeBel
    Location: Assabet River NWR
  102. Lincoln's Sparrow Melospiza lincolnii
    # Count: 2
    Date:
    Observer: Joan LeBel
    Location: Assabet River NWR
  103. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: Joan LeBel
    Location: Assabet River NWR
  104. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  105. Nashville Warbler Leiothlypis ruficapilla
    # Count: 2
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  106. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  107. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  108. Eastern Wood-Pewee Contopus virens
    # Count: 1
    Date:
    Observer: Craig Daniliuk
    Location: Assabet River NWR
  109. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Craig Daniliuk
    Location: Assabet River NWR
  110. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  111. Ruby-throated Hummingbird Archilochus colubris
    # Count: 2
    Date:
    Observer: Brewer B
    Location: Assabet River NWR
  112. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Brewer B
    Location: Assabet River NWR
  113. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Brewer B
    Location: Assabet River NWR
  114. Indigo Bunting Passerina cyanea
    # Count: 2
    Date:
    Observer: Brewer B
    Location: Assabet River NWR
  115. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: J G
    Location: Assabet River NWR
  116. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  117. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  118. Tennessee Warbler Leiothlypis peregrina
    # Count: 2
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  119. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Jim Guion
    Location: Assabet River NWR
  120. Yellow-throated Vireo Vireo flavifrons
    # Count: 2
    Date:
    Observer: Jim Guion
    Location: Assabet River NWR
  121. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: John Edmondson
    Location: Assabet River NWR
  122. Ovenbird Seiurus aurocapilla
    # Count: 2
    Date:
    Observer: Jason Forbes
    Location: Assabet River NWR
  123. Veery Catharus fuscescens
    # Count: 2
    Date:
    Observer: Brian Vigorito
    Location: Assabet River NWR
  124. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Brian Vigorito
    Location: Assabet River NWR
  125. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 1
    Date:
    Observer: Elizabeth Ferber
    Location: Assabet River NWR
  126. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Elizabeth Ferber
    Location: Assabet River NWR
  127. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Robert Thaenert
    Location: Assabet River NWR
  128. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: Bruce Black
    Location: Assabet River NWR
  129. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  130. American Redstart Setophaga ruticilla
    # Count: 3
    Date:
    Observer: Sam Zhang
    Location: Assabet River NWR
  131. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Matt Watson
    Location: Assabet River NWR
  132. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Diving Ducks
    Location: Assabet River NWR
  133. Least Flycatcher Empidonax minimus
    # Count: 2
    Date:
    Observer: Peg von Rohr
    Location: Assabet River NWR
  134. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Peg von Rohr
    Location: Assabet River NWR
  135. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Peg von Rohr
    Location: Assabet River NWR
  136. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 1
    Date:
    Observer: Debra Mackey
    Location: Assabet River NWR
  137. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 2
    Date:
    Observer: Debra Mackey
    Location: Assabet River NWR
  138. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  139. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Bruce Black
    Location: Assabet River NWR
  140. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Sam Miller
    Location: Assabet River NWR
  141. Common Loon Gavia immer
    # Count: 2
    Date:
    Observer: Sam Miller
    Location: Assabet River NWR
  142. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  143. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Jeffrey Ritterson
    Location: Assabet River NWR
  144. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Jon Skinner
    Location: Assabet River NWR
  145. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: Sam Miller
    Location: Assabet River NWR
  146. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Joan LeBel
    Location: Assabet River NWR
  147. Common Nighthawk Chordeiles minor
    # Count: 5
    Date:
    Observer: Karen Clifford
    Location: Assabet River NWR
  148. Louisiana Waterthrush Parkesia motacilla
    # Count: 1
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  149. Lesser Scaup Aythya affinis
    # Count: 2
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  150. Sandhill Crane Antigone canadensis
    # Count: 1
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  151. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  152. Horned Lark Eremophila alpestris
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  153. Marsh Wren Cistothorus palustris
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  154. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  155. Gray-cheeked Thrush Catharus minimus
    # Count: 3
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  156. Mourning Warbler Geothlypis philadelphia
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  157. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: Michael Giaquinto
    Location: Assabet River NWR
  158. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Gareth Morris-Hale
    Location: Assabet River NWR
  159. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  160. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: Tim Sackton
    Location: Assabet River NWR
  161. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  162. Common Redpoll Acanthis flammea
    # Count: 12
    Date:
    Observer: Peg von Rohr
    Location: Assabet River NWR
  163. Northern Saw-whet Owl Aegolius acadicus
    # Count: 2
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  164. White-winged Crossbill Loxia leucoptera
    # Count: 1
    Date:
    Observer: Jonathan Mott
    Location: Assabet River NWR
  165. Evening Grosbeak Coccothraustes vespertinus
    # Count: 2
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  166. Least Sandpiper Calidris minutilla
    # Count: 2
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  167. Semipalmated Sandpiper Calidris pusilla
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  168. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  169. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Will Freedberg
    Location: Assabet River NWR
  170. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  171. Acadian Flycatcher Empidonax virescens
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  172. Alder Flycatcher Empidonax alnorum
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  173. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Bruce Black
    Location: Assabet River NWR
  174. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  175. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  176. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  177. Connecticut Warbler Oporornis agilis
    # Count: 1
    Date:
    Observer: Chris Martone
    Location: Assabet River NWR
  178. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  179. Great Black-backed Gull Larus marinus
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  180. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Joel Zaborowski
    Location: Assabet River NWR
  181. Eastern Screech-Owl Megascops asio
    # Count: 2
    Date:
    Observer: Melani Sleder
    Location: Assabet River NWR
  182. Greater Yellowlegs Tringa melanoleuca
    # Count: 7
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  183. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  184. Black Scoter Melanitta americana
    # Count: 1
    Date:
    Observer: Randy Langer
    Location: Assabet River NWR
  185. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Assabet River NWR
  186. Eastern Whip-poor-will Antrostomus vociferus
    # Count: 1
    Date:
    Observer: Mark Clegg
    Location: Assabet River NWR
  187. American Coot Fulica americana
    # Count: 1
    Date:
    Observer: Mark Clegg
    Location: Assabet River NWR
  188. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Mark Clegg
    Location: Assabet River NWR
  189. Kentucky Warbler Geothlypis formosa
    # Count: 1
    Date:
    Observer: Timothy Spahr
    Location: Assabet River NWR
  190. Ruffed Grouse Bonasa umbellus
    # Count: 1
    Date:
    Observer: Timothy Skillin
    Location: Assabet River NWR
  191. Barrow's Goldeneye Bucephala islandica
    # Count: 2
    Date:
    Observer: Kirk Marshall
    Location: Assabet River NWR

Exotic: Escapee (1)

  1. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: Jennifer Emerson
    Location: Assabet River NWR

Hybrids (3)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Bay State Birds
    Location: Assabet River NWR
  2. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    # Count: 1
    Date:
    Observer: Jacquelyn Pascucci
    Location: Assabet River NWR
  3. Spotted x Eastern Towhee (hybrid) Pipilo maculatus x erythrophthalmus
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR

Additional Taxa (33)

  1. gull sp. Larinae sp.
    # Count: 3
    Date:
    Observer: Diving Ducks
    Location: Assabet River NWR
  2. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 3
    Date:
    Observer: Bay State Birds
    Location: Assabet River NWR
  3. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Valerie Burdette
    Location: Assabet River NWR
  4. new world sparrow sp. Passerellidae sp.
    # Count: 3
    Date:
    Observer: Valerie Burdette
    Location: Assabet River NWR
  5. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Valerie Burdette
    Location: Assabet River NWR
  6. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 2
    Date:
    Observer: Rick Horlick
    Location: Assabet River NWR
  7. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Cristina Hartshorn
    Location: Assabet River NWR
  8. blackbird sp. Icteridae sp.
    # Count: 20
    Date:
    Observer: Timothy Spahr
    Location: Assabet River NWR
  9. duck sp. Anatidae (duck sp.)
    # Count: 4
    Date:
    Observer: J G
    Location: Assabet River NWR
  10. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  11. new world warbler sp. Parulidae sp.
    # Count: 25
    Date:
    Observer: David Swain
    Location: Assabet River NWR
  12. woodpecker sp. Picidae sp.
    # Count: 2
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  13. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  14. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Brian Vigorito
    Location: Assabet River NWR
  15. new world vulture sp. Cathartidae sp.
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Assabet River NWR
  16. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Peg von Rohr
    Location: Assabet River NWR
  17. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 1
    Date:
    Observer: Kathy Spellman
    Location: Assabet River NWR
  18. swallow sp. Hirundinidae sp.
    # Count: 1
    Date:
    Observer: Scott Dresser
    Location: Assabet River NWR
  19. finch sp. Fringillidae sp.
    # Count: 1
    Date:
    Observer: Jon Skinner
    Location: Assabet River NWR
  20. Catharus sp. Catharus sp.
    # Count: 2
    Date:
    Observer: Jon Skinner
    Location: Assabet River NWR
  21. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Ron Schlegel
    Location: Assabet River NWR
  22. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Valerie Burdette
    Location: Assabet River NWR
  23. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  24. crow sp. Corvus sp. (crow sp.)
    # Count: 2
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  25. Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli
    # Count: 1
    Date:
    Observer: Nick Tepper
    Location: Assabet River NWR
  26. Setophaga sp. Setophaga sp.
    # Count: 2
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  27. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 1
    Date:
    Observer: Sam Miller
    Location: Assabet River NWR
  28. wren sp. Troglodytidae sp.
    # Count: 2
    Date:
    Observer: Dan Trippe
    Location: Assabet River NWR
  29. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  30. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  31. teal sp. Anatidae sp. (teal sp.)
    # Count: 7
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  32. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Mike Gooley
    Location: Assabet River NWR
  33. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 1
    Date:
    Observer: Becky Gibson
    Location: Assabet River NWR