Menu

Change Region

Change Region

Mercer

Map

Explore...

Bird List

Updated ~1 day ago
300 All Years 215 This Year 2024 116 This Month Jun 2024
Last Observed First Observed High Count

Custom Time Period

Change Time Period

Sort by

  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (116)

  1. Purple Martin Progne subis
    # Count: 16
    Date:
    Observer: Robert Mercer
    Location: St. Michael's Farm Preserve
  2. American Goldfinch Spinus tristis
    # Count: 15
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  3. Common Yellowthroat Geothlypis trichas
    # Count: 15
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  4. American Redstart Setophaga ruticilla
    # Count: 15
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  5. Baltimore Oriole Icterus galbula
    # Count: 6
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  6. Hooded Warbler Setophaga citrina
    # Count: 6
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  7. Herring Gull Larus argentatus
    # Count: 5
    Date:
    Observer: Bill Pitman
    Location: La maison de ma soeur
  8. European Starling Sturnus vulgaris
    # Count: 5
    Date:
    Observer: Bill Pitman
    Location: La maison de ma soeur
  9. House Sparrow Passer domesticus
    # Count: 5
    Date:
    Observer: Bill Pitman
    Location: La maison de ma soeur
  10. Black-and-white Warbler Mniotilta varia
    # Count: 5
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  11. Scarlet Tanager Piranga olivacea
    # Count: 5
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  12. Indigo Bunting Passerina cyanea
    # Count: 5
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  13. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 4
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  14. White-breasted Nuthatch Sitta carolinensis
    # Count: 4
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  15. Red-winged Blackbird Agelaius phoeniceus
    # Count: 4
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  16. Worm-eating Warbler Helmitheros vermivorum
    # Count: 4
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  17. Blue-winged Warbler Vermivora cyanoptera
    # Count: 4
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  18. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 4
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  19. Mourning Dove Zenaida macroura
    # Count: 3
    Date:
    Observer: Old Sam Peabody
    Location: Home
  20. Great Blue Heron Ardea herodias
    # Count: 3
    Date:
    Observer: Rachel Adler
    Location: Cedar Ridge Preserve
  21. Tree Swallow Tachycineta bicolor
    # Count: 3
    Date:
    Observer: Rachel Adler
    Location: Cedar Ridge Preserve
  22. House Finch Haemorhous mexicanus
    # Count: 3
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  23. Louisiana Waterthrush Parkesia motacilla
    # Count: 3
    Date:
    Observer: Mike Grubb
    Location: Fiddler's Creek/Hollystone Preserve
  24. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 3
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  25. Blue Grosbeak Passerina caerulea
    # Count: 3
    Date:
    Observer: Gary Thompson
    Location: Pole Farm (Mercer County Park NW)
  26. Mute Swan Cygnus olor
    # Count: 2
    Date:
    Observer: Laura Berlik
    Location: Pennington Loop
  27. Killdeer Charadrius vociferus
    # Count: 2
    Date:
    Observer: Susan Matson
    Location: Veterans Park, Trenton US-NJ 40.21076, -74.66623
  28. Double-crested Cormorant Nannopterum auritum
    # Count: 2
    Date:
    Observer: Khloris Minthe
    Location: Lake Carnegie (West of Millstone Aquaduct Footbridge)
  29. Broad-winged Hawk Buteo platypterus
    # Count: 2
    Date:
    Observer: Jessica Howland
    Location: Washington Crossing State Park—Brickyard Rd.
  30. Red-tailed Hawk Buteo jamaicensis
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  31. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  32. Pileated Woodpecker Dryocopus pileatus
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  33. Willow Flycatcher Empidonax traillii
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  34. Great Crested Flycatcher Myiarchus crinitus
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  35. Eastern Kingbird Tyrannus tyrannus
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  36. Yellow-throated Vireo Vireo flavifrons
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  37. Carolina Chickadee Poecile carolinensis
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  38. Northern Mockingbird Mimus polyglottos
    # Count: 2
    Date:
    Observer: Bill Pitman
    Location: La maison de ma soeur
  39. Grasshopper Sparrow Ammodramus savannarum
    # Count: 2
    Date:
    Observer: Jack Hagan
    Location: Pole Farm (Mercer County Park NW)
  40. Field Sparrow Spizella pusilla
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  41. Yellow Warbler Setophaga petechia
    # Count: 2
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  42. Pine Warbler Setophaga pinus
    # Count: 2
    Date:
    Observer: Joe Melton
    Location: Princeton Institute Woods & Charles Rogers Wildlife Refuge
  43. Wood Duck Aix sponsa
    # Count: 1
    Date:
    Observer: Alex Wiebe
    Location: Ewing
  44. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: Jessica Howland
    Location: Washington Crossing State Park—Brickyard Rd.
  45. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Millstone River Impoundment
  46. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  47. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 1
    Date:
    Observer: Mike Lee
    Location: Van Nest Wildlife Refuge
  48. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Susan Matson
    Location: Fiddler's Creek/Hollystone Preserve
  49. Ruby-throated Hummingbird Archilochus colubris
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  50. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Princeton Institute Woods & Charles Rogers Wildlife Refuge
  51. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Susan Matson
    Location: Veterans Park, Trenton US-NJ 40.21076, -74.66623
  52. Semipalmated Sandpiper Calidris pusilla
    # Count: 1
    Date:
    Observer: Jessica Howland
    Location: Miry Run Natural Area
  53. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Dan Liang
    Location: Delaware and Raritan Canal SP--Dyson Tract Area
  54. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Pole Farm (Mercer County Park NW)
  55. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Jen Metzger
    Location: Pole Farm (Mercer County Park NW)
  56. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Susan Matson
    Location: Veterans Park, Trenton US-NJ 40.21076, -74.66623
  57. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Pole Farm (Mercer County Park NW)
  58. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  59. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  60. Barred Owl Strix varia
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  61. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  62. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  63. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Pole Farm (Mercer County Park NW)
  64. Eastern Wood-Pewee Contopus virens
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  65. Acadian Flycatcher Empidonax virescens
    # Count: 1
    Date:
    Observer: Jessica Howland
    Location: Washington Crossing State Park—Brickyard Rd.
  66. Alder Flycatcher Empidonax alnorum
    # Count: 1
    Date:
    Observer: Rachel Adler
    Location: Cedar Ridge Preserve
  67. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Pole Farm (Mercer County Park NW)
  68. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  69. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  70. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  71. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  72. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  73. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  74. Tufted Titmouse Baeolophus bicolor
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  75. Barn Swallow Hirundo rustica
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  76. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  77. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  78. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  79. Gray Catbird Dumetella carolinensis
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  80. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Pole Farm (Mercer County Park NW)
  81. Eastern Bluebird Sialia sialis
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  82. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  83. American Robin Turdus migratorius
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  84. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  85. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Jack Hagan
    Location: Pole Farm (Mercer County Park NW)
  86. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Susan Matson
    Location: 41–83 Willow Creek Dr, Pennington US-NJ 40.34651, -74.78563
  87. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  88. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Princeton Institute Woods & Charles Rogers Wildlife Refuge
  89. Eastern Towhee Pipilo erythrophthalmus
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  90. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Erin Prebil
    Location: Baldpate Mountain--Ted Stiles Preserve
  91. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: Susan Matson
    Location: 41–83 Willow Creek Dr, Pennington US-NJ 40.34651, -74.78563
  92. Eastern Meadowlark Sturnella magna
    # Count: 1
    Date:
    Observer: Scott Maughan
    Location: Pole Farm (Mercer County Park NW)
  93. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  94. Common Grackle Quiscalus quiscula
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  95. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  96. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Bill Pitman
    Location: Hamilton Veterans Park
  97. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  98. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  99. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  100. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  101. Northern Cardinal Cardinalis cardinalis
    # Count: 1
    Date:
    Observer: Old Sam Peabody
    Location: Home
  102. Canada Goose Branta canadensis
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  103. Mallard Anas platyrhynchos
    # Count: X
    Date:
    Observer: richard moran
    Location: Delaware and Raritan Canal SP--Dyson Tract Area
  104. Chimney Swift Chaetura pelagica
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  105. Black Vulture Coragyps atratus
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  106. Turkey Vulture Cathartes aura
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  107. Belted Kingfisher Megaceryle alcyon
    # Count: X
    Date:
    Observer: richard moran
    Location: Delaware and Raritan Canal SP--Dyson Tract Area
  108. Northern Flicker Colaptes auratus
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  109. Warbling Vireo Vireo gilvus
    # Count: X
    Date:
    Observer: richard moran
    Location: Delaware and Raritan Canal SP--Dyson Tract Area
  110. Red-eyed Vireo Vireo olivaceus
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  111. Black-capped Chickadee Poecile atricapillus
    # Count: X
    Date:
    Observer: richard moran
    Location: Delaware and Raritan Canal SP--Dyson Tract Area
  112. Veery Catharus fuscescens
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  113. Hermit Thrush Catharus guttatus
    # Count: X
    Date:
    Observer: richard moran
    Location: Delaware and Raritan Canal SP--Dyson Tract Area
  114. Cedar Waxwing Bombycilla cedrorum
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  115. Brown-headed Cowbird Molothrus ater
    # Count: X
    Date:
    Observer: Mike Grubb
    Location: Baldpate Mountain--Ted Stiles Preserve
  116. Northern Parula Setophaga americana
    # Count: X
    Date:
    Observer: Kathleen Moran
    Location: Princeton Institute Woods & Charles Rogers Wildlife Refuge

Hybrids (1)

  1. Carolina x Black-capped Chickadee (hybrid) Poecile carolinensis x atricapillus
    # Count: 1
    Date:
    Observer: WCAS Audubon
    Location: Hillside Farm Preserve

Additional Taxa (9)

  1. goose sp. Anatidae (goose sp.)
    # Count: 6
    Date:
    Observer: Nancy Burns
    Location: Hamilton Veterans Park
  2. American/Fish Crow Corvus brachyrhynchos/ossifragus
    # Count: 2
    Date:
    Observer: Diego Segura
    Location: Princeton University--POO3 (New College West/Yeh College)
  3. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Jonathan Bain
    Location: Mercer Corporate Park, Robbinsville
  4. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Jamie Capelli
    Location: Stony Brook-Millstone Watershed Preserve
  5. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 1
    Date:
    Observer: Laura Berlik
    Location: Pennington Loop
  6. crow sp. Corvus sp. (crow sp.)
    # Count: 1
    Date:
    Observer: Mark Witmer
    Location: Pennington
  7. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 1
    Date:
    Observer: Khloris Minthe
    Location: Lake Carnegie (West of Millstone Aquaduct Footbridge)
  8. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Diego Segura
    Location: Princeton University--POO1 (New South/Effron Music Building)
  9. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Winifred Spar
    Location: Princeton Institute Woods & Charles Rogers Wildlife Refuge