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Bird List

Updated ~16 hours ago
344 All Years 224 This Year 2024 192 This Month May 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (344)

  1. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Falconhurst
  2. Mississippi Kite Ictinia mississippiensis
    # Count: 20
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  3. Yellow-breasted Chat Icteria virens
    # Count: 8
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  4. Common Yellowthroat Geothlypis trichas
    # Count: 41
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  5. American White Pelican Pelecanus erythrorhynchos
    # Count: 1
    Date:
    Observer: Carla Morris
    Location: C&O Canal--Violette's Lock
  6. Sora Porzana carolina
    # Count: 5
    Date:
    Observer: Jared Fisher
    Location: Hughes Hollow - McKee Beshers WMA
  7. Red-breasted Merganser Mergus serrator
    # Count: 145
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  8. American Black Duck Anas rubripes
    # Count: 90
    Date:
    Observer: Joe Hanfman
    Location: Triadelphia Reservoir--Brighton Dam (Mont. Co.)
  9. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 33
    Date:
    Observer: David Blockstein
    Location: C&O Canal--Sycamore Landing
  10. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 77
    Date:
    Observer: David Blockstein
    Location: C&O Canal--Sycamore Landing
  11. White-breasted Nuthatch Sitta carolinensis
    # Count: 29
    Date:
    Observer: David Blockstein
    Location: C&O Canal--Sycamore Landing
  12. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 23
    Date:
    Observer: John Sojda
    Location: Hunting Quarter Rd Sunflower Area
  13. Orange-crowned Warbler Leiothlypis celata
    # Count: 2
    Date:
    Observer: Dave Ziolkowski Jr
    Location: Rachel Carson Conservation Park
  14. Black-headed Gull Chroicocephalus ridibundus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Patton Farms (formerly Patton Turf Farm)
  15. Hermit Thrush Catharus guttatus
    # Count: 19
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  16. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Jim Stasz
    Location: Woodstock Equestrian Park - West (Greenberg) area
  17. Turkey Vulture Cathartes aura
    # Count: 150
    Date:
    Observer: John Sojda
    Location: Patton Farms (formerly Patton Turf Farm)
  18. Black-legged Kittiwake Rissa tridactyla
    # Count: 1
    Date:
    Observer: Joe Hanfman
    Location: Triadelphia Reservoir--Big Branch (Montgomery Co.)
  19. Roseate Spoonbill Platalea ajaja
    # Count: 1
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  20. Blue-winged Teal Spatula discors
    # Count: 80
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  21. White-rumped Sandpiper Calidris fuscicollis
    # Count: 57
    Date:
    Observer: Jared Fisher
    Location: Summit Hall Turf Farm (private)
  22. Ruby-throated Hummingbird Archilochus colubris
    # Count: 25
    Date:
    Observer: Chaiby Leiman
    Location: Brookside Gardens
  23. Limpkin Aramus guarauna
    # Count: 1
    Date:
    Observer: Michael Kircher
    Location: C&O Canal--Pennyfield Lock
  24. Least Sandpiper Calidris minutilla
    # Count: 190
    Date:
    Observer: Michael McCloy
    Location: Triadelphia Reservoir, Brookeville US-MD (39.2224,-77.0328)
  25. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Nathan Tea
    Location: Blue Mash Nature Trail
  26. Grasshopper Sparrow Ammodramus savannarum
    # Count: 21
    Date:
    Observer: Margaret Poethig
    Location: Selden Island - River side east (restricted access)
  27. Yellow-throated Warbler Setophaga dominica
    # Count: 6
    Date:
    Observer: Frances Raskin
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  28. Common Gallinule Gallinula galeata
    # Count: 4
    Date:
    Observer: Roy Howard
    Location: Hughes Hollow - McKee Beshers WMA
  29. Bicknell's Thrush Catharus bicknelli
    # Count: 1
    Date:
    Observer: Jared Fisher NFC Station
    Location: Straw Bale Lane
  30. Anhinga Anhinga anhinga
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  31. Swallow-tailed Kite Elanoides forficatus
    # Count: 2
    Date:
    Observer: Rob Hilton
    Location: Welsh Park, Rockville
  32. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Gude Trail--E. Gude Dr. - Lake Needwood
  33. Barn Swallow Hirundo rustica
    # Count: 800
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  34. Least Bittern Ixobrychus exilis
    # Count: 4
    Date:
    Observer: John Anderson
    Location: Hughes Hollow - McKee Beshers WMA
  35. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Margaret Poethig
    Location: Potomac River, Potomac US-MD (39.0212,-77.2429)
  36. Blue Jay Cyanocitta cristata
    # Count: 1451
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  37. Great Horned Owl Bubo virginianus
    # Count: 5
    Date:
    Observer: John Sojda
    Location: Izaak Walton Way, Poolesville, Maryland, US (39.094, -77.421)
  38. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 115
    Date:
    Observer: Lauren Carey
    Location: Lake Whetstone
  39. Wilson's Snipe Gallinago delicata
    # Count: 146
    Date:
    Observer: John Sojda
    Location: Patton Farms (formerly Patton Turf Farm)
  40. Rock Pigeon Columba livia
    # Count: 210
    Date:
    Observer: Mary Ann Todd
    Location: Patton Farms (formerly Patton Turf Farm)
  41. Snow Goose Anser caerulescens
    # Count: 124
    Date:
    Observer: Stephen Davies
    Location: Wheaton Branch Stormwater Ponds
  42. Wood Duck Aix sponsa
    # Count: 500
    Date:
    Observer: Jared Fisher
    Location: Sycamore Landing Rd. fields
  43. White-throated Sparrow Zonotrichia albicollis
    # Count: 380
    Date:
    Observer: Frances Toler
    Location: Hughes Hollow - McKee Beshers WMA--sunflower area and eastern fields
  44. Cackling Goose Branta hutchinsii
    # Count: 23
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  45. Connecticut Warbler Oporornis agilis
    # Count: 2
    Date:
    Observer: Lauren Carey
    Location: Hughes Hollow - McKee Beshers WMA
  46. Lincoln's Sparrow Melospiza lincolnii
    # Count: 7
    Date:
    Observer: Jared Fisher
    Location: Redgate Park
  47. Olive-sided Flycatcher Contopus cooperi
    # Count: 2
    Date:
    Observer: Clive Harris
    Location: Little Bennett RP--Wilson Mill Trail
  48. Cape May Warbler Setophaga tigrina
    # Count: 25
    Date:
    Observer: Clive Harris
    Location: Little Bennett RP--Wilson Mill Trail
  49. Swainson's Thrush Catharus ustulatus
    # Count: 100
    Date:
    Observer: Jared Fisher NFC Station
    Location: C&O Canal--Sycamore Landing
  50. White-eyed Vireo Vireo griseus
    # Count: 16
    Date:
    Observer: Robin Skinner
    Location: Little Bennett Regional Park
  51. Green Heron Butorides virescens
    # Count: 97
    Date:
    Observer: John Sojda
    Location: Hughes Hollow - McKee Beshers WMA
  52. American Avocet Recurvirostra americana
    # Count: 13
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  53. Great Egret Ardea alba
    # Count: 99
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  54. Warbling Vireo Vireo gilvus
    # Count: 10
    Date:
    Observer: Cheryl Turner
    Location: C&O Canal--Great Falls
  55. Semipalmated Plover Charadrius semipalmatus
    # Count: 29
    Date:
    Observer: Mary Ann Todd
    Location: Patton Farms (formerly Patton Turf Farm)
  56. Peregrine Falcon Falco peregrinus
    # Count: 3
    Date:
    Observer: David Roberts
    Location: Carderock Recreation Area
  57. Whimbrel Numenius phaeopus
    # Count: 3
    Date:
    Observer: John Sojda
    Location: Patton Farms (formerly Patton Turf Farm)
  58. Yellow-throated Vireo Vireo flavifrons
    # Count: 9
    Date:
    Observer: Clifton Barry
    Location: Blockhouse Point Conservation Park
  59. Blackburnian Warbler Setophaga fusca
    # Count: 11
    Date:
    Observer: Clifton Barry
    Location: Blockhouse Point Conservation Park
  60. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 9
    Date:
    Observer: Jared Fisher
    Location: Hughes Hollow - McKee Beshers WMA
  61. Double-crested Cormorant Nannopterum auritum
    # Count: 550
    Date:
    Observer: Howard Youth
    Location: C&O Canal--Lock 7
  62. Vesper Sparrow Pooecetes gramineus
    # Count: 17
    Date:
    Observer: Clive Harris
    Location: 14039–14099 Montevideo Rd, Poolesville US-MD 39.09105, -77.34409
  63. American Woodcock Scolopax minor
    # Count: 20
    Date:
    Observer: Alex Pellegrini
    Location: Patuxent River SP--Rte. 97 (Montgomery Co.)
  64. Mottled Duck Anas fulvigula
    # Count: 1
    Date:
    Observer: justin golden
    Location: Billy Goat Trail Section C, Potomac, Maryland, US (38.977, -77.206)
  65. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: sharon buchanan
    Location: Backyard, Potomac US-MD 39.04432, -77.26707
  66. Wild Turkey Meleagris gallopavo
    # Count: 103
    Date:
    Observer: Scott Young
    Location: W Offut, Poolesville US-MD (39.1171,-77.4258)
  67. American Robin Turdus migratorius
    # Count: 7500
    Date:
    Observer: Jared Fisher
    Location: Hughes Rd. polo fields
  68. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Jonathan Putnam
    Location: Blue Mash Nature Trail
  69. Cedar Waxwing Bombycilla cedrorum
    # Count: 500
    Date:
    Observer: John Sojda
    Location: 16898 River Road, Poolesville, Maryland, US (39.081, -77.373)
  70. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Violette's Lock
  71. Fish Crow Corvus ossifragus
    # Count: 4000
    Date:
    Observer: Jared Fisher
    Location: Straw Bale Lane
  72. Western Cattle Egret Bubulcus ibis
    # Count: 9
    Date:
    Observer: Vickie Baily
    Location: C&O Canal--Sycamore Landing
  73. Song Sparrow Melospiza melodia
    # Count: 400
    Date:
    Observer: Scott Young
    Location: Gude Trail--E. Gude Dr. - Lake Needwood
  74. Common Raven Corvus corax
    # Count: 14
    Date:
    Observer: Jim Ivett
    Location: Hughes Hollow - McKee Beshers WMA
  75. Palm Warbler Setophaga palmarum
    # Count: 35
    Date:
    Observer: Gail Mackiernan
    Location: Northwest Branch Recreational Park, Norwood
  76. Wood Stork Mycteria americana
    # Count: 1
    Date:
    Observer: Michael Kircher
    Location: C&O Canal--Pennyfield Lock
  77. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: Dave Powell
    Location: C&O Canal--Riley's Lock
  78. Least Flycatcher Empidonax minimus
    # Count: 4
    Date:
    Observer: Sare Demarest
    Location: Blue Mash Nature Trail
  79. House Sparrow Passer domesticus
    # Count: 200
    Date:
    Observer: Adeline Louie
    Location: Ken-Gar Palisades Park
  80. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 500
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  81. Summer Tanager Piranga rubra
    # Count: 4
    Date:
    Observer: Jonathan Putnam
    Location: Bike ride to Great Falls
  82. Alder Flycatcher Empidonax alnorum
    # Count: 2
    Date:
    Observer: Nathan Tea
    Location: Hughes Rd. polo fields
  83. Barred Owl Strix varia
    # Count: 7
    Date:
    Observer: John Sojda
    Location: West Willard Road, Poolesville, Maryland, US (39.092, -77.418)
  84. Blue Grosbeak Passerina caerulea
    # Count: 11
    Date:
    Observer: allie bluestein
    Location: Bancroft Neighborhood/Friends Retirement Community
  85. Henslow's Sparrow Centronyx henslowii
    # Count: 1
    Date:
    Observer: Amy Christianson
    Location: Lake Hallowell
  86. Eastern Kingbird Tyrannus tyrannus
    # Count: 20
    Date:
    Observer: Michelle Browning
    Location: North Creek Lake Park
  87. Tundra Swan Cygnus columbianus
    # Count: 1000
    Date:
    Observer: Toni Evans
    Location: Triadelphia Reservoir--Greenbridge Rd.
  88. Gadwall Mareca strepera
    # Count: 280
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  89. American Wigeon Mareca americana
    # Count: 200
    Date:
    Observer: Joe Hanfman
    Location: C&O Canal--Violette's Lock
  90. Northern Pintail Anas acuta
    # Count: 175
    Date:
    Observer: Joe Hanfman
    Location: C&O Canal--Violette's Lock
  91. Lapland Longspur Calcarius lapponicus
    # Count: 29
    Date:
    Observer: Clive Harris
    Location: Homestead Farm (restricted access - bird from roadside)
  92. Painted Bunting Passerina ciris
    # Count: 1
    Date:
    Observer: Karen Brandt
    Location: C&O Canal--Great Falls
  93. American Goldfinch Spinus tristis
    # Count: 500
    Date:
    Observer: Pete Marra
    Location: C&O Canal--Sycamore Landing
  94. Eastern Meadowlark Sturnella magna
    # Count: 44
    Date:
    Observer: Theresa Zmola
    Location: 20837, Poolesville US-MD (39.0996,-77.4240)
  95. Surf Scoter Melanitta perspicillata
    # Count: 7
    Date:
    Observer: Mary Maxey
    Location: Triadelphia Reservoir--Greenbridge Rd.
  96. Red Phalarope Phalaropus fulicarius
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  97. Blue-headed Vireo Vireo solitarius
    # Count: 15
    Date:
    Observer: Melissa C
    Location: Wheaton Regional Park
  98. Pine Siskin Spinus pinus
    # Count: 160
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Sycamore Landing
  99. Gray-cheeked Thrush Catharus minimus
    # Count: 11
    Date:
    Observer: Nathan Tea
    Location: Home
  100. Philadelphia Vireo Vireo philadelphicus
    # Count: 3
    Date:
    Observer: CJ DeMarco
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  101. Scarlet Tanager Piranga olivacea
    # Count: 20
    Date:
    Observer: Ryan Douglas
    Location: Damascus
  102. Eastern Wood-Pewee Contopus virens
    # Count: 25
    Date:
    Observer: Nathan Tea
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  103. American Redstart Setophaga ruticilla
    # Count: 26
    Date:
    Observer: Nathan Tea
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  104. Northern Mockingbird Mimus polyglottos
    # Count: 30
    Date:
    Observer: Pete Yarrington
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  105. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Violette's Lock
  106. Killdeer Charadrius vociferus
    # Count: 300
    Date:
    Observer: Max Wilson
    Location: Hughes Rd. polo fields
  107. Belted Kingfisher Megaceryle alcyon
    # Count: 8
    Date:
    Observer: Aaron Coolman
    Location: Triadelphia Reservoir--Triadelphia Lake Rd.
  108. Glossy Ibis Plegadis falcinellus
    # Count: 57
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  109. Veery Catharus fuscescens
    # Count: 42
    Date:
    Observer: Nathan Tea
    Location: Home
  110. Wilson's Warbler Cardellina pusilla
    # Count: 5
    Date:
    Observer: Clive Harris
    Location: C&O Canal--Locks 8-9
  111. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 3
    Date:
    Observer: Nathan Tea
    Location: Home
  112. Bobolink Dolichonyx oryzivorus
    # Count: 100
    Date:
    Observer: Jim Ivett
    Location: 16468 Maryland 28, Poolesville, Maryland, US (39.128, -77.338)
  113. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 550
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  114. Northern Flicker Colaptes auratus
    # Count: 111
    Date:
    Observer: Howard Youth
    Location: "East Parkhill"
  115. Greater White-fronted Goose Anser albifrons
    # Count: 6
    Date:
    Observer: Johnnie Ramos
    Location: Black Hill RP--Little Seneca Lake, Rte.121
  116. Common Merganser Mergus merganser
    # Count: 1800
    Date:
    Observer: Joe Hanfman
    Location: Triadelphia Reservoir--Brighton Dam (Mont. Co.)
  117. Savannah Sparrow Passerculus sandwichensis
    # Count: 35
    Date:
    Observer: Dave Powell
    Location: Oaks Landfill (private)
  118. LeConte's Sparrow Ammospiza leconteii
    # Count: 1
    Date:
    Observer: Gail Mackiernan
    Location: NW Branch Park -Sherwood Forest area
  119. Brown Pelican Pelecanus occidentalis
    # Count: 1
    Date:
    Observer: Frederick Atwood
    Location: C&O Canal--Violette's Lock
  120. Short-billed Dowitcher Limnodromus griseus
    # Count: 58
    Date:
    Observer: Brenton Reyner
    Location: Homestead Farm (restricted access - bird from roadside)
  121. Black-and-white Warbler Mniotilta varia
    # Count: 25
    Date:
    Observer: Howard Youth
    Location: Meadowbrook Park (Montgomery Co.)
  122. Ovenbird Seiurus aurocapilla
    # Count: 38
    Date:
    Observer: David Blockstein
    Location: Little Bennett Regional Park
  123. Red-throated Loon Gavia stellata
    # Count: 3
    Date:
    Observer: Jim Green
    Location: C&O Canal--Riley's Lock
  124. Red-shouldered Hawk Buteo lineatus
    # Count: 20
    Date:
    Observer: Amiel Hopkins
    Location: Hughes Hollow - McKee Beshers WMA
  125. Red-tailed Hawk Buteo jamaicensis
    # Count: 96
    Date:
    Observer: Jeff Divers
    Location: 123 South Adams Street, Rockville, Maryland, US (39.081, -77.155)
  126. Franklin's Gull Leucophaeus pipixcan
    # Count: 2
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  127. Swamp Sparrow Melospiza georgiana
    # Count: 50
    Date:
    Observer: Gail Mackiernan
    Location: NW Branch Park -Sherwood Forest area
  128. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: David Palmer
    Location: Rachel Carson Conservation Park
  129. Common Tern Sterna hirundo
    # Count: 44
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  130. Baird's Sandpiper Calidris bairdii
    # Count: 3
    Date:
    Observer: Jeff Shenot
    Location: Hughes Rd. polo fields
  131. Red-necked Phalarope Phalaropus lobatus
    # Count: 3
    Date:
    Observer: Howard Patterson
    Location: C&O Canal--Violette's Lock
  132. Western Sandpiper Calidris mauri
    # Count: 2
    Date:
    Observer: Dave Czaplak
    Location: Hughes Rd. polo fields
  133. Lesser Yellowlegs Tringa flavipes
    # Count: 70
    Date:
    Observer: Dave Czaplak
    Location: Mile 29 Potomac River
  134. Clapper Rail Rallus crepitans
    # Count: 1
    Date:
    Observer: Robert Garriock
    Location: 11246–11298 Fern St, Silver Spring US-MD (39.0401,-77.0497)
  135. Cooper's Hawk Accipiter cooperii
    # Count: 6
    Date:
    Observer: Alan Cutler
    Location: 6 Winesap Ct, North Potomac US-MD (39.1048,-77.2491)
  136. Canada Warbler Cardellina canadensis
    # Count: 12
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  137. Northern Waterthrush Parkesia noveboracensis
    # Count: 11
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  138. Ring-billed Gull Larus delawarensis
    # Count: 4600
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  139. Shiny Cowbird Molothrus bonariensis
    # Count: 1
    Date:
    Observer: Joshua Heiser
    Location: Heiser Yard
  140. Merlin Falco columbarius
    # Count: 4
    Date:
    Observer: Vickie Baily
    Location: Lake Needwood
  141. Ross's Goose Anser rossii
    # Count: 3
    Date:
    Observer: Chuck Parker
    Location: 7130 Dorsey Road, Gaithersburg, Maryland, US (39.196, -77.143) Laytonbsville Golf Driving Range
  142. Pileated Woodpecker Dryocopus pileatus
    # Count: 20
    Date:
    Observer: David Hunter
    Location: C&O Canal--Sycamore Landing
  143. King Eider Somateria spectabilis
    # Count: 2
    Date:
    Observer: Joe Hanfman
    Location: Triadelphia Reservoir--Brighton Dam (Mont. Co.)
  144. Field Sparrow Spizella pusilla
    # Count: 50
    Date:
    Observer: Timothy Guida
    Location: Blue Mash Nature Trail
  145. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Ryan Fick
    Location: C&O Canal--Edwards Ferry
  146. Tennessee Warbler Leiothlypis peregrina
    # Count: 15
    Date:
    Observer: Gail Mackiernan
    Location: Wheaton Regional Park
  147. Purple Martin Progne subis
    # Count: 135
    Date:
    Observer: Howard Youth
    Location: C&O Canal--Violette's Lock
  148. Dickcissel Spiza americana
    # Count: 14
    Date:
    Observer: Scott Baron
    Location: Oaks Landfill (private)
  149. White Ibis Eudocimus albus
    # Count: 4
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  150. Common Loon Gavia immer
    # Count: 73
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  151. Eurasian Wigeon Mareca penelope
    # Count: 2
    Date:
    Observer: Russell Hillsley
    Location: Poplar Spring Animal Sanctuary (private)
  152. Northern Shoveler Spatula clypeata
    # Count: 40
    Date:
    Observer: Robin Skinner
    Location: C&O Canal--Violette's Lock
  153. Green-winged Teal Anas crecca
    # Count: 270
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  154. Black Scoter Melanitta americana
    # Count: 18
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  155. Great Black-backed Gull Larus marinus
    # Count: 10
    Date:
    Observer: Nathan Tea
    Location: C&O Canal--Violette's Lock
  156. Bald Eagle Haliaeetus leucocephalus
    # Count: 21
    Date:
    Observer: Esther Smith
    Location: Triadelphia Reservoir--Brighton Dam (Mont. Co.)
  157. Sandhill Crane Antigone canadensis
    # Count: 20
    Date:
    Observer: Joe Sedransk
    Location: Damascus Road, Montgomery County MD
  158. Golden-crowned Kinglet Regulus satrapa
    # Count: 65
    Date:
    Observer: David Hunter
    Location: C&O Canal--Sycamore Landing
  159. Pied-billed Grebe Podilymbus podiceps
    # Count: 54
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  160. Broad-winged Hawk Buteo platypterus
    # Count: 2434
    Date:
    Observer: Don Simonson
    Location: US-MD-Germantown-14911 Springfield Rd - 39.0900x-77.3099
  161. Mute Swan Cygnus olor
    # Count: 4
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  162. Seaside Sparrow Ammospiza maritima
    # Count: 1
    Date:
    Observer: Sharon Forsyth
    Location: Ken-Gar Palisades Park
  163. Chuck-will's-widow Antrostomus carolinensis
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Park Summit neighborhood/Malcolm King Park, Gaithersburg
  164. Solitary Sandpiper Tringa solitaria
    # Count: 36
    Date:
    Observer: Dave Czaplak
    Location: Green Hills Farm Wetland
  165. Worm-eating Warbler Helmitheros vermivorum
    # Count: 8
    Date:
    Observer: Michael O'Brien
    Location: Upper Watts Branch Park
  166. Blue-winged Warbler Vermivora cyanoptera
    # Count: 6
    Date:
    Observer: Michael O'Brien
    Location: Upper Watts Branch Park
  167. Hooded Warbler Setophaga citrina
    # Count: 6
    Date:
    Observer: Michael O'Brien
    Location: Upper Watts Branch Park
  168. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 23
    Date:
    Observer: Michael O'Brien
    Location: Upper Watts Branch Park
  169. Trumpeter Swan Cygnus buccinator
    # Count: 4
    Date:
    Observer: Tim Carney
    Location: Black Hill Regional Park
  170. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Wayne Baumgartner
    Location: stakeout Ash-throated Flycatcher, Montgomery County (2016)
  171. European Starling Sturnus vulgaris
    # Count: 7000
    Date:
    Observer: Patrick Newcombe
    Location: Cabin John Regional Park
  172. Nashville Warbler Leiothlypis ruficapilla
    # Count: 5
    Date:
    Observer: Edward Patten
    Location: Hughes Hollow - McKee Beshers WMA
  173. Buff-breasted Sandpiper Calidris subruficollis
    # Count: 7
    Date:
    Observer: Mike Ostrowski
    Location: Summit Hall Turf Farm (private)
  174. Canvasback Aythya valisineria
    # Count: 220
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  175. American Kestrel Falco sparverius
    # Count: 14
    Date:
    Observer: Chandler Wiegand
    Location: Patton Farms (formerly Patton Turf Farm)
  176. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 30
    Date:
    Observer: Gail Mackiernan
    Location: Wheaton Regional Park
  177. Gull-billed Tern Gelochelidon nilotica
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  178. Eastern Screech-Owl Megascops asio
    # Count: 4
    Date:
    Observer: Tom Kimbis
    Location: 1Lantern Hollow
  179. Prairie Warbler Setophaga discolor
    # Count: 19
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  180. Prothonotary Warbler Protonotaria citrea
    # Count: 15
    Date:
    Observer: Brendan Lanpher
    Location: C&O Canal--Riley's Lock
  181. Caspian Tern Hydroprogne caspia
    # Count: 45
    Date:
    Observer: Chandler Wiegand
    Location: C&O Canal--Riley's Lock
  182. Forster's Tern Sterna forsteri
    # Count: 61
    Date:
    Observer: Chandler Wiegand
    Location: C&O Canal--Riley's Lock
  183. Common Goldeneye Bucephala clangula
    # Count: 207
    Date:
    Observer: Dave Czaplak
    Location: Black Hill RP--Little Seneca Lake, Rte.121
  184. Greater Scaup Aythya marila
    # Count: 95
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  185. White-winged Scoter Melanitta deglandi
    # Count: 23
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  186. Snowy Owl Bubo scandiacus
    # Count: 1
    Date:
    Observer: Don Simonson
    Location: US-MD-Germantown-14911 Springfield Rd - 39.0900x-77.3099
  187. Redhead Aythya americana
    # Count: 600
    Date:
    Observer: Pete Givan
    Location: Violettes lock/C&O Canal
  188. Horned Lark Eremophila alpestris
    # Count: 450
    Date:
    Observer: Chandler Wiegand
    Location: Patton Farms (formerly Patton Turf Farm)
  189. Long-tailed Duck Clangula hyemalis
    # Count: 63
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  190. Brown-headed Cowbird Molothrus ater
    # Count: 1600
    Date:
    Observer: Dave Czaplak
    Location: Hughes Rd. polo fields
  191. Chipping Sparrow Spizella passerina
    # Count: 120
    Date:
    Observer: Linda Friedland
    Location: Green Hills Farm Wetland
  192. Magnolia Warbler Setophaga magnolia
    # Count: 35
    Date:
    Observer: Gail Mackiernan
    Location: Wheaton Regional Park
  193. Eastern Towhee Pipilo erythrophthalmus
    # Count: 31
    Date:
    Observer: Woody & Rae Dubois
    Location: Triadelphia Reservoir--Triadelphia Lake Rd.
  194. Wood Thrush Hylocichla mustelina
    # Count: 30
    Date:
    Observer: Ralph Rogers
    Location: Wheaton Regional Park
  195. Arctic Tern Sterna paradisaea
    # Count: 1
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  196. American Bittern Botaurus lentiginosus
    # Count: 8
    Date:
    Observer: Jim Green
    Location: Hughes Hollow - McKee Beshers WMA
  197. Canada Goose Branta canadensis
    # Count: 8260
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  198. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Hughes Hollow - McKee Beshers WMA
  199. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Leslie Starr
    Location: Insley St, Silver Spring, MD
  200. American Pipit Anthus rubescens
    # Count: 300
    Date:
    Observer: James Moore (Maryland)
    Location: Patton Farms (formerly Patton Turf Farm)
  201. Carolina Wren Thryothorus ludovicianus
    # Count: 44
    Date:
    Observer: James Nelson
    Location: C&O Canal--White's Ferry
  202. White-winged Crossbill Loxia leucoptera
    # Count: 10
    Date:
    Observer: brad lanning
    Location: Orchard Way, Backyard
  203. Red Crossbill Loxia curvirostra
    # Count: 8
    Date:
    Observer: Gail Mackiernan
    Location: 216 Mowbray Rd (home)
  204. American Crow Corvus brachyrhynchos
    # Count: 14,000
    Date:
    Observer: David Gersten
    Location: US-MD-Rockville-6008 Neilwood Dr
  205. Black Skimmer Rynchops niger
    # Count: 1
    Date:
    Observer: Brendan Lanpher
    Location: C&O Canal--Violette's Lock
  206. Brant Branta bernicla
    # Count: 14
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  207. Dunlin Calidris alpina
    # Count: 45
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  208. Pomarine Jaeger Stercorarius pomarinus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  209. Laughing Gull Leucophaeus atricilla
    # Count: 45
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  210. Sharp-shinned Hawk Accipiter striatus
    # Count: 14
    Date:
    Observer: Chuck Parker
    Location: Black Hill RP--Boat Ramp area
  211. Black-throated Green Warbler Setophaga virens
    # Count: 30
    Date:
    Observer: Gail Mackiernan
    Location: Wheaton Regional Park
  212. King Rail Rallus elegans
    # Count: 1
    Date:
    Observer: Jim Stasz
    Location: Hughes Hollow - McKee Beshers WMA
  213. Chimney Swift Chaetura pelagica
    # Count: 5000
    Date:
    Observer: Chris Tonra
    Location: East-West and 16th St
  214. Great Blue Heron Ardea herodias
    # Count: 75
    Date:
    Observer: Anonymous eBirder
    Location: C&O Canal--Great Falls
  215. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Black Hill Regional Park
  216. Kentucky Warbler Geothlypis formosa
    # Count: 7
    Date:
    Observer: Bill Hill
    Location: Patuxent River State Park (Howard-Hipsley)
  217. Orchard Oriole Icterus spurius
    # Count: 20
    Date:
    Observer: Richard Peters
    Location: Fairland Recreational Park
  218. Yellow Rail Coturnicops noveboracensis
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Hughes Hollow - McKee Beshers WMA
  219. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 20
    Date:
    Observer: Michael O'Brien
    Location: Upper Watts Branch - 12 Duke Street South
  220. Semipalmated Sandpiper Calidris pusilla
    # Count: 80
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Sycamore Landing
  221. Sanderling Calidris alba
    # Count: 5
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  222. Royal Tern Thalasseus maximus
    # Count: 1
    Date:
    Observer: Timothy Guida
    Location: C&O Canal--Violette's Lock
  223. Purple Gallinule Porphyrio martinica
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: Hughes Hollow - McKee Beshers WMA
  224. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 60
    Date:
    Observer: Frank Fogarty
    Location: C&O Canal--Old Anglers Inn - Bear Island - Widewater
  225. Red-winged Blackbird Agelaius phoeniceus
    # Count: 5000
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  226. Hooded Merganser Lophodytes cucullatus
    # Count: 192
    Date:
    Observer: Jared Fisher
    Location: Black Hill Regional Park
  227. Tufted Titmouse Baeolophus bicolor
    # Count: 52
    Date:
    Observer: Andy Martin
    Location: Poplar Spring Animal Sanctuary (private)
  228. Rusty Blackbird Euphagus carolinus
    # Count: 464
    Date:
    Observer: Paul and Joan Woodward
    Location: McKee-Beshers WMA-ORR
  229. Ruby-crowned Kinglet Corthylio calendula
    # Count: 60
    Date:
    Observer: Brendan Lanpher
    Location: Blue Mash Nature Trail
  230. Indigo Bunting Passerina cyanea
    # Count: 141
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  231. Little Blue Heron Egretta caerulea
    # Count: 9
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  232. Ruddy Turnstone Arenaria interpres
    # Count: 2
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  233. Ring-necked Duck Aythya collaris
    # Count: 800
    Date:
    Observer: James Moore (Maryland)
    Location: Black Hill Regional Park
  234. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Edge of turf farm, Sycamore Landing
  235. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 3
    Date:
    Observer: Jim Stasz
    Location: Hughes Hollow - McKee Beshers WMA
  236. Black Tern Chlidonias niger
    # Count: 86
    Date:
    Observer: Robert Ostrowski
    Location: C&O Canal--Violette's Lock
  237. Black-bellied Whistling-Duck Dendrocygna autumnalis
    # Count: 12
    Date:
    Observer: MD Admin (Carney)
    Location: Lake Churchill, Germantown
  238. Black-bellied Plover Pluvialis squatarola
    # Count: 30
    Date:
    Observer: Andy Martin
    Location: Patton Farms (formerly Patton Turf Farm)
  239. Acadian Flycatcher Empidonax virescens
    # Count: 42
    Date:
    Observer: James Nelson
    Location: C&O Canal--White's Ferry
  240. Great Crested Flycatcher Myiarchus crinitus
    # Count: 44
    Date:
    Observer: James Nelson
    Location: C&O Canal--White's Ferry
  241. House Wren Troglodytes aedon
    # Count: 40
    Date:
    Observer: James Nelson
    Location: C&O Canal--White's Ferry
  242. Gray Catbird Dumetella carolinensis
    # Count: 56
    Date:
    Observer: James Nelson
    Location: C&O Canal--White's Ferry
  243. Yellow Warbler Setophaga petechia
    # Count: 23
    Date:
    Observer: Bob Hartman
    Location: Blue Mash Nature Trail
  244. White-winged Dove Zenaida asiatica
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Hunting Quarter Rd x River Rd
  245. Brown Creeper Certhia americana
    # Count: 23
    Date:
    Observer: James Nelson
    Location: Summit Hall Turf Farm (private)
  246. Carolina Chickadee Poecile carolinensis
    # Count: 102
    Date:
    Observer: David Hunter
    Location: C&O Canal--Sycamore Landing
  247. Eastern Phoebe Sayornis phoebe
    # Count: 42
    Date:
    Observer: diane Ford
    Location: rock creek park
  248. Willow Flycatcher Empidonax traillii
    # Count: 8
    Date:
    Observer: Bob Hartman
    Location: Blue Mash Nature Trail
  249. Greater Yellowlegs Tringa melanoleuca
    # Count: 20
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  250. Red-breasted Nuthatch Sitta canadensis
    # Count: 10
    Date:
    Observer: David Laws
    Location: Dorsey's Regard
  251. Eastern Bluebird Sialia sialis
    # Count: 150
    Date:
    Observer: Bob Hartman
    Location: Little Bennett Regional Park
  252. Great Cormorant Phalacrocorax carbo
    # Count: 1
    Date:
    Observer: David S. Engelen
    Location: C&O Canal - River Trail
  253. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Rockville--Castaway Dr
  254. Black Vulture Coragyps atratus
    # Count: 170
    Date:
    Observer: Bob Ringler
    Location: C&O Canal--Violette's Lock
  255. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Kurt Schwarz
    Location: Hughes Road--Hunt View Farm (private)
  256. Louisiana Waterthrush Parkesia motacilla
    # Count: 10
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Swains Lock
  257. Lesser Scaup Aythya affinis
    # Count: 500
    Date:
    Observer: Mark Schilling
    Location: Triadelphia Reservoir westside
  258. Tree Swallow Tachycineta bicolor
    # Count: 2000
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  259. Sooty Tern Onychoprion fuscatus
    # Count: 8
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  260. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Edge of turf farm, Sycamore Landing
  261. Osprey Pandion haliaetus
    # Count: 11
    Date:
    Observer: Raymond Edwards
    Location: MEADOWSIDE CENTER
  262. Eared Grebe Podiceps nigricollis
    # Count: 2
    Date:
    Observer: Michael Bowen
    Location: Black Hill RP--Little Seneca Lake, Rte.121
  263. Hairy Woodpecker Dryobates villosus
    # Count: 11
    Date:
    Observer: Mark Schilling
    Location: Triadelphia Reservoir westside
  264. Cave Swallow Petrochelidon fulva
    # Count: 4
    Date:
    Observer: Cave Swallow Data
    Location: Black Hill Regional Park
  265. Stilt Sandpiper Calidris himantopus
    # Count: 7
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  266. Mourning Dove Zenaida macroura
    # Count: 263
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  267. Northern Parula Setophaga americana
    # Count: 30
    Date:
    Observer: Bob Hartman
    Location: Little Bennett Regional Park
  268. Fox Sparrow Passerella iliaca
    # Count: 35
    Date:
    Observer: Michael Bowen
    Location: Layhill Park
  269. Pine Warbler Setophaga pinus
    # Count: 15
    Date:
    Observer: Paul Cross
    Location: C&O canal
  270. Red-necked Grebe Podiceps grisegena
    # Count: 116
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  271. Glaucous Gull Larus hyperboreus
    # Count: 1
    Date:
    Observer: Kurt Schwarz
    Location: Triadelphia Reservoir--Brighton Dam (Mont. Co.)
  272. Pacific Loon Gavia pacifica
    # Count: 1
    Date:
    Observer: George Jett
    Location: Seneca Creek SP--Clopper Lake
  273. Ruddy Duck Oxyura jamaicensis
    # Count: 250
    Date:
    Observer: Michael Bowen
    Location: Black Hill Regional Park
  274. Brown Thrasher Toxostoma rufum
    # Count: 14
    Date:
    Observer: Dave Czaplak
    Location: Hughes Hollow - McKee Beshers WMA
  275. Dark-eyed Junco Junco hyemalis
    # Count: 258
    Date:
    Observer: Michael Bowen
    Location: Poolesville area
  276. Winter Wren Troglodytes hiemalis
    # Count: 22
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  277. Little Gull Hydrocoloeus minutus
    # Count: 2
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  278. Harlequin Duck Histrionicus histrionicus
    # Count: 1
    Date:
    Observer: James Swanson
    Location: Black Hill Regional Park
  279. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 14
    Date:
    Observer: Sherman Suter
    Location: C&O Canal: Pennyfield to Violet's
  280. Common Nighthawk Chordeiles minor
    # Count: 1139
    Date:
    Observer: MD Admin (R. Ostrowski)
    Location: Rockville
  281. Bank Swallow Riparia riparia
    # Count: 2000
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  282. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 105
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  283. Spotted Sandpiper Actitis macularius
    # Count: 25
    Date:
    Observer: Mary Gustafson
    Location: Blockhouse Point Conservation Park
  284. Baltimore Oriole Icterus galbula
    # Count: 25
    Date:
    Observer: Mary Gustafson
    Location: Blockhouse Point Conservation Park
  285. Scissor-tailed Flycatcher Tyrannus forficatus
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  286. Bufflehead Bucephala albeola
    # Count: 800
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  287. Horned Grebe Podiceps auritus
    # Count: 110
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  288. Mallard Anas platyrhynchos
    # Count: 377
    Date:
    Observer: Mark Schilling
    Location: Triadelphia Reservoir westside
  289. Blackpoll Warbler Setophaga striata
    # Count: 86
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Little Falls
  290. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Ottavio Janni
    Location: Oaks Landfill (private)
  291. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Derwood--Bowie Mill Rd x N Branch Rock Creek
  292. American Coot Fulica americana
    # Count: 500
    Date:
    Observer: Daniel Lebbin
    Location: Black Hill Regional Park
  293. Hoary Redpoll Acanthis hornemanni
    # Count: 4
    Date:
    Observer: Dave Czaplak
    Location: Todd-Czaplak Home
  294. Common Redpoll Acanthis flammea
    # Count: 400
    Date:
    Observer: Dave Czaplak
    Location: Todd-Czaplak Home
  295. Bewick's Wren Thryomanes bewickii
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: C&O Canal--Violette's Lock
  296. Yellow-legged Gull Larus michahellis
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Laytonsville 108 Pond (destroyed)
  297. Lesser Black-backed Gull Larus fuscus
    # Count: 9
    Date:
    Observer: Dave Czaplak
    Location: Oaks Landfill (private)
  298. House Finch Haemorhous mexicanus
    # Count: 106
    Date:
    Observer: Michael Bowen
    Location: Northwest Branch and Indian Spring C.C.
  299. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Laytonsville 108 Pond (destroyed)
  300. Red-eyed Vireo Vireo olivaceus
    # Count: 87
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  301. Northern Bobwhite Colinus virginianus
    # Count: 12
    Date:
    Observer: Michael Bowen
    Location: Poolesville area
  302. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 36
    Date:
    Observer: Michael Bowen
    Location: Poolesville area
  303. Northern Cardinal Cardinalis cardinalis
    # Count: 83
    Date:
    Observer: James Nelson
    Location: BCC-IWLA (private)
  304. Bay-breasted Warbler Setophaga castanea
    # Count: 11
    Date:
    Observer: Michael O'Brien
    Location: Upper Watts Branch Park
  305. Varied Thrush Ixoreus naevius
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Bethesda--Brite Dr
  306. Nelson's Sparrow Ammospiza nelsoni
    # Count: 2
    Date:
    Observer: Michael O'Brien
    Location: King Farm
  307. Sedge Wren Cistothorus stellaris
    # Count: 2
    Date:
    Observer: Michael O'Brien
    Location: King Farm
  308. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Hughes Hollow - McKee Beshers WMA
  309. Herring Gull Larus argentatus
    # Count: 1000
    Date:
    Observer: Bob Ringler
    Location: Oaks Landfill (private)
  310. Snow Bunting Plectrophenax nivalis
    # Count: 50
    Date:
    Observer: Bob Ringler
    Location: Triadelphia Reservoir - Montgomery Co.
  311. Mourning Warbler Geothlypis philadelphia
    # Count: 3
    Date:
    Observer: Michael O'Brien
    Location: Upper Watts Branch Park
  312. Snowy Egret Egretta thula
    # Count: 4
    Date:
    Observer: Bob Ringler
    Location: Hughes Hollow - McKee Beshers WMA
  313. Wilson's Phalarope Phalaropus tricolor
    # Count: 3
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  314. Golden-winged Warbler Vermivora chrysoptera
    # Count: 2
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  315. Ring-necked Pheasant Phasianus colchicus
    # Count: 2
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  316. Common Grackle Quiscalus quiscula
    # Count: 502K
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  317. Yellow-rumped Warbler Setophaga coronata
    # Count: 260
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  318. Fulvous Whistling-Duck Dendrocygna bicolor
    # Count: 9
    Date:
    Observer: MD Admin (Carney)
    Location: C&O Canal--Violette's Lock
  319. Upland Sandpiper Bartramia longicauda
    # Count: 9
    Date:
    Observer: Bob Ringler
    Location: Summit Hall Turf Farm (private)
  320. Black-capped Chickadee Poecile atricapillus
    # Count: 7
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  321. Downy Woodpecker Dryobates pubescens
    # Count: 60
    Date:
    Observer: Peter Bono
    Location: Seneca Creek State Park
  322. American Tree Sparrow Spizelloides arborea
    # Count: 50
    Date:
    Observer: Peter Bono
    Location: Seneca Creek State Park
  323. Pectoral Sandpiper Calidris melanotos
    # Count: 200
    Date:
    Observer: MD Admin (Carney)
    Location: Summit Hall Turf Farm (private)
  324. Cerulean Warbler Setophaga cerulea
    # Count: 10
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Great Falls
  325. Evening Grosbeak Coccothraustes vespertinus
    # Count: 61
    Date:
    Observer: Peter Bono
    Location: Seneca Creek State Park
  326. Purple Finch Haemorhous purpureus
    # Count: 70
    Date:
    Observer: Paul and Joan Woodward
    Location: McKee-Beshers WMA-Towpath
  327. Pine Grosbeak Pinicola enucleator
    # Count: 4
    Date:
    Observer: MD Admin (Carney)
    Location: Gude's Nursery (historical)
  328. Marsh Wren Cistothorus palustris
    # Count: 20
    Date:
    Observer: Jim Berry
    Location: Hughes Hollow - McKee Beshers WMA
  329. Northern Harrier Circus hudsonius
    # Count: 20
    Date:
    Observer: Jim Berry
    Location: Poolesville High School
  330. Short-eared Owl Asio flammeus
    # Count: 9
    Date:
    Observer: Toby Bradshaw
    Location: Poolesville High School
  331. American Golden-Plover Pluvialis dominica
    # Count: 30
    Date:
    Observer: MD Admin (Carney)
    Location: Summit Hall Turf Farm (private)
  332. Northern Saw-whet Owl Aegolius acadicus
    # Count: 2
    Date:
    Observer: Don Simonson
    Location: Old River Road
  333. Eastern Whip-poor-will Antrostomus vociferus
    # Count: 4
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  334. Virginia Rail Rallus limicola
    # Count: 4
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  335. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Westmoreland Hills
  336. Harris's Sparrow Zonotrichia querula
    # Count: 2
    Date:
    Observer: MD Admin (Carney)
    Location: Travilah
  337. Least Tern Sternula antillarum
    # Count: 4
    Date:
    Observer: MD Admin (Carney)
    Location: Unity
  338. Boreal Chickadee Poecile hudsonicus
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Gude's Nursery (historical)
  339. Rough-legged Hawk Buteo lagopus
    # Count: 2
    Date:
    Observer: MD Admin (Carney)
    Location: Cohasset
  340. Thick-billed Murre Uria lomvia
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Kensington
  341. Bachman's Sparrow Peucaea aestivalis
    # Count: 2
    Date:
    Observer: MD Admin (Carney)
    Location: Kensington
  342. Barn Owl Tyto alba
    # Count: 1
  343. Long-eared Owl Asio otus
    # Count: 4
  344. Black Rail Laterallus jamaicensis
    # Count: 1

Exotic: Escapee (11)

  1. Silver Pheasant Lophura nycthemera
    # Count: 1
    Date:
    Observer: hauwa Usman
    Location: Cloverly
  2. Graylag Goose Anser anser
    # Count: 6
    Date:
    Observer: Kevin Achtmeyer
    Location: Private Property, Poolesville -- General
  3. Chukar Alectoris chukar
    # Count: 4
    Date:
    Observer: Carla Morris
    Location: Sycamore Landing Rd. fields
  4. Ringed Teal Callonetta leucophrys
    # Count: 1
    Date:
    Observer: Matthew Rine
    Location: Watkins Ponds - King Farm Stream Park
  5. White-cheeked Pintail Anas bahamensis
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Pennyfield Lock
  6. Rose-ringed Parakeet Psittacula krameri
    # Count: 1
    Date:
    Observer: Don Chauls
    Location: Brooke Grove, Sandy Spring
  7. Budgerigar Melopsittacus undulatus
    # Count: 2
    Date:
    Observer: Christine Bozarth
    Location: Farr and Broadwood
  8. Muscovy Duck Cairina moschata
    # Count: 7
    Date:
    Observer: Romana Campos
    Location: Nature Forward (formerly ANS)- Woodend Sanctuary
  9. Indian Peafowl Pavo cristatus
    # Count: 1
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA
  10. Swan Goose Anser cygnoides
    # Count: 5
    Date:
    Observer: Rosemary Hudecheck
    Location: Burtonsville
  11. Monk Parakeet Myiopsitta monachus
    # Count: 2
    Date:
    Observer: Howard Youth
    Location: Monk Parakeet site

Hybrids (12)

  1. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    # Count: 1
    Date:
    Observer: Toni Evans
    Location: Lake Hallowell
  2. Dark-eyed Junco x White-throated Sparrow (hybrid) Junco hyemalis x Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Denny Porter
    Location: Banner Country Ct
  3. Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchos
    # Count: 1
    Date:
    Observer: Adeline Louie
    Location: Lake Hallowell
  4. Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanoptera
    # Count: 1
    Date:
    Observer: Jim Ivett
    Location: Patuxent River SP--Howard Chapel Rd. (Montgomery Co.)
  5. Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)
    # Count: 1
    Date:
    Observer: Gabriel Urso
    Location: Little Bennett Regional Park
  6. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    # Count: 1
    Date:
    Observer: Gail Mackiernan
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  7. Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis
    # Count: 1
    Date:
    Observer: Eve Olson
    Location: C&O Canal--Old Angler's Inn - Billy Goat Trail Section B - Widewater
  8. Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensis
    # Count: 2
    Date:
    Observer: Shawn Seeley
    Location: (39.223, -77.081)
  9. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 10
    Date:
    Observer: James Nelson
    Location: C&O Canal--Brickyard Rd. - Marsden Tract
  10. Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensis
    # Count: 1
    Date:
    Observer: Patrick Newcombe
    Location: Black Hill RP--Boat Ramp area
  11. Snow x Ross's Goose (hybrid) Anser caerulescens x rossii
    # Count: 1
    Date:
    Observer: Kevin Ebert
    Location: Fields along Beach Dr
  12. Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensis
    # Count: 1
    Date:
    Observer: Scott Hodgdon
    Location: Lake Hallowell

Additional Taxa (100)

  1. owl sp. Strigiformes sp.
    # Count: 4
    Date:
    Observer: Linda Green
    Location: Oaks Landfill-Private, Admission with Montgomery Bird Club group
  2. gull sp. Larinae sp.
    # Count: 300
    Date:
    Observer: Art Drauglis
    Location: C&O Canal--Violette's Lock
  3. American/Fish Crow Corvus brachyrhynchos/ossifragus
    # Count: 1350
    Date:
    Observer: Jared Fisher
    Location: Straw Bale Lane
  4. teal sp. Anatidae sp. (teal sp.)
    # Count: 1
    Date:
    Observer: Stewart Mayhew
    Location: C&O Canal--Riley's Lock
  5. waterfowl sp. Anatidae sp.
    # Count: 12
    Date:
    Observer: Kyle Gardiner
    Location: C&O Canal--Riley's Lock
  6. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    # Count: 4
    Date:
    Observer: Frank Wang
    Location: Black hill regional park
  7. Aythya sp. Aythya sp.
    # Count: 55
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  8. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 10
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  9. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 30
    Date:
    Observer: William Heinle
    Location: Blue Mash Nature Trail
  10. peep sp. Calidris sp. (peep sp.)
    # Count: 30
    Date:
    Observer: Dave Czaplak
    Location: Summit Hall Turf Farm (private)
  11. shorebird sp. Charadriiformes sp.
    # Count: 100
    Date:
    Observer: Jared Fisher
    Location: Summit Hall Turf Farm (private)
  12. thrush sp. Turdidae sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Damascus Recreational Park
  13. Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
    # Count: 2
    Date:
    Observer: mara shenderey
    Location: C&O Canal--Violette's Lock
  14. Spizella sp. Spizella sp.
    # Count: 8
    Date:
    Observer: Jeffrey Fuller
    Location: Twinbrook Connector Trail
  15. Setophaga sp. Setophaga sp.
    # Count: 11
    Date:
    Observer: Nathan Tea
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  16. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 14
    Date:
    Observer: Alex Pellegrini
    Location: C&O Canal--Violette's Lock
  17. Calidris sp. Calidris sp.
    # Count: 2
    Date:
    Observer: Adeline Louie
    Location: Lake Hallowell
  18. Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceus
    # Count: 1
    Date:
    Observer: Scott Young
    Location: 000Our Yard - North Potomac
  19. Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanoptera
    # Count: 1
    Date:
    Observer: Howard Youth
    Location: Patuxent River SP--Rte. 97 (Montgomery Co.)
  20. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    # Count: 63
    Date:
    Observer: mara shenderey
    Location: Lake Whetstone
  21. duck sp. Anatidae (duck sp.)
    # Count: 753
    Date:
    Observer: John Sojda
    Location: Hughes Hollow - McKee Beshers WMA
  22. finch sp. Fringillidae sp.
    # Count: 20
    Date:
    Observer: Anonymous eBirder
    Location: Copenhaver Drive
  23. Larus sp. Larus sp.
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Great Falls
  24. pigeon/dove sp. Columbidae sp.
    # Count: 4
    Date:
    Observer: Lon Carpenter
    Location: Gunnell Rd, Bethesda US-MD 38.99867, -77.09364
  25. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: 16410 Budd Rd, Poolesville US-MD 39.12786, -77.40598
  26. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    # Count: 6
    Date:
    Observer: Rob Hilton
    Location: Nolte Local Park
  27. hummingbird sp. Trochilidae sp.
    # Count: 3
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  28. swallow sp. Hirundinidae sp.
    # Count: 500
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  29. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 17
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  30. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 2
    Date:
    Observer: Laura Donnelly-Smith
    Location: Wheaton Branch Stormwater Ponds
  31. Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli
    # Count: 2
    Date:
    Observer: Pete Yarrington
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  32. goose sp. Anatidae (goose sp.)
    # Count: 200
    Date:
    Observer: kathy brown
    Location: Blue Mash Nature Trail
  33. rail/crake sp. Rallidae sp. (rail/crake sp.)
    # Count: 2
    Date:
    Observer: Carla Roverse
    Location: McKee Beshers WMA
  34. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 4
    Date:
    Observer: Kevin Ebert
    Location: Lake Needwood
  35. swan sp. Cygnus sp.
    # Count: 25
    Date:
    Observer: John McDonough
    Location: Seneca Creek State Park
  36. bird sp. Aves sp.
    # Count: 6
    Date:
    Observer: CJ DeMarco
    Location: Upper Paint Branch SVP--Hildegard area
  37. Bullock's/Baltimore Oriole Icterus bullockii/galbula
    # Count: 1
    Date:
    Observer: RK Wild
    Location: Thompson Rd
  38. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Daniel S.
    Location: stakeout Rufous Hummingbird, Silver Spring (2021)
  39. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: David Gersten
    Location: Blue Mash Nature Trail
  40. gull/tern sp. Laridae sp.
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: C&O Canal--Violette's Lock
  41. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 7
    Date:
    Observer: John Sojda
    Location: Patuxent River via Annapolis Rock Road
  42. Ammospiza sp. Ammospiza sp.
    # Count: 1
    Date:
    Observer: David Gersten
    Location: Hughes Hollow - McKee Beshers WMA
  43. woodpecker sp. Picidae sp.
    # Count: 5
    Date:
    Observer: Kevin Achtmeyer
    Location: Lake Needwood
  44. Red-shouldered/Broad-winged Hawk Buteo lineatus/platypterus
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Bradmoor Drive House
  45. tern sp. Sterninae sp.
    # Count: 15
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  46. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 2
    Date:
    Observer: Ellen Lathrop
    Location: Hughes Hollow - McKee Beshers WMA
  47. phalarope sp. Phalaropus sp.
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: C&O Canal--Violette's Lock
  48. wren sp. Troglodytidae sp.
    # Count: 8
    Date:
    Observer: Dolores Davis
    Location: 23700 Grapevine ridge Terrace, Clarksburg, MD
  49. new world sparrow sp. Passerellidae sp.
    # Count: 500
    Date:
    Observer: CJ DeMarco
    Location: Lois Y. Green Conservation Park
  50. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 3
    Date:
    Observer: Anonymous eBirder
    Location: C&O Canal--Great Falls
  51. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 25
    Date:
    Observer: Anonymous eBirder
    Location: C&O Canal--Great Falls
  52. Acanthis/Spinus sp. Acanthis/Spinus sp.
    # Count: 30
    Date:
    Observer: David Blockstein
    Location: C&O Canal--Sycamore Landing
  53. crow sp. Corvus sp. (crow sp.)
    # Count: 5000
    Date:
    Observer: Andy Martin
    Location: Abandoned fire/police training area
  54. passerine sp. Passeriformes sp.
    # Count: 150
    Date:
    Observer: Jake Derby
    Location: Redgate Park
  55. Buteo sp. Buteo sp.
    # Count: 12
    Date:
    Observer: David Kidwell
    Location: DK Aussie Ranch
  56. Catharus sp. Catharus sp.
    # Count: 70
    Date:
    Observer: Ryan Douglas
    Location: Damascus
  57. parakeet sp. Psittaciformes sp. (parakeet sp.)
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: 20024 Wanegarden ct Germantown M.D. 20874
  58. Western/Semipalmated Sandpiper Calidris mauri/pusilla
    # Count: 1
    Date:
    Observer: David Moulton
    Location: Hughes Rd. polo fields
  59. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 40
    Date:
    Observer: Amy Christianson
    Location: Lake Hallowell
  60. Passerina sp. Passerina sp.
    # Count: 4
    Date:
    Observer: James Nelson
    Location: Hughes Hollow - McKee Beshers WMA
  61. Summer/Scarlet Tanager Piranga rubra/olivacea
    # Count: 1
    Date:
    Observer: Anne Mytych
    Location: Lake Frank
  62. Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmus
    # Count: 1
    Date:
    Observer: sharon buchanan
    Location: Backyard MD 39.04432, -77.26707
  63. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Jim Wilkinson
    Location: Burtonsville Town Square
  64. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Willard Avenue Neighborhood Park
  65. Accipiter sp. Accipiter sp.
    # Count: 2
    Date:
    Observer: Anna Wilson
    Location: C&O Canal--Pennyfield Lock
  66. Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseri
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Woodstock Equestrian Park - East (Rickman) area
  67. new world flycatcher sp. Tyrannidae sp.
    # Count: 20
    Date:
    Observer: Moira Davenport
    Location: C&O Canal--Violette's Lock
  68. new world warbler sp. Parulidae sp.
    # Count: 60
    Date:
    Observer: Nathan Tea
    Location: C&O Canal--Violette's Lock
  69. tanager sp. (Piranga sp.) Piranga sp.
    # Count: 1
    Date:
    Observer: Abby Walter
    Location: Meadowside Nature Center
  70. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 5
    Date:
    Observer: Nathan Tea
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  71. heron sp. Ardeidae sp.
    # Count: 5
    Date:
    Observer: Anna Wilson
    Location: Carderock Rec Lot 1 - Chesapeake and Ohio Canal NHP, Bethesda US-MD (38.9730,-77.2008)
  72. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: Andy Wilson
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  73. vireo sp. Vireo sp.
    # Count: 8
    Date:
    Observer: Anna Wilson
    Location: Carderock Rec Ctr Main Lot - Chesapeake and Ohio Canal NHP, Bethesda US-MD (38.9709,-77.1984)
  74. falcon sp. Falco sp.
    # Count: 3
    Date:
    Observer: Ian Robbins
    Location: North Chevy Chase Park
  75. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 30
    Date:
    Observer: Anna Wilson
    Location: C&O Canal--Pennyfield Lock
  76. new world vulture sp. Cathartidae sp.
    # Count: 20
    Date:
    Observer: James Nelson
    Location: Hughes Hollow - McKee Beshers WMA
  77. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 5
    Date:
    Observer: Nathan Tea
    Location: Wheaton HS
  78. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 26
    Date:
    Observer: James Nelson
    Location: Black Hill RP--Little Seneca Lake, Rte.121
  79. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    # Count: 4
    Date:
    Observer: Byron Swift
    Location: Blue Mash Nature Trail
  80. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: 11
    Date:
    Observer: David Roberts
    Location: C&O Canal--Riley's Lock
  81. merganser sp. Mergellus/Lophodytes/Mergus sp.
    # Count: 12
    Date:
    Observer: James Nelson
    Location: Black Hill RP--Ten Mile Creek area, trails and lake
  82. Coccyzus sp. Coccyzus sp.
    # Count: 1
    Date:
    Observer: Rennie Selkirk
    Location: C&O Canal--Violette's Lock
  83. Trumpeter/Tundra Swan Cygnus buccinator/columbianus
    # Count: 3
    Date:
    Observer: Mike Ostrowski
    Location: Black Hill RP--Little Seneca Lake, Rte.121
  84. Laughing/Franklin's Gull Leucophaeus atricilla/pipixcan
    # Count: 1
    Date:
    Observer: Robert Ostrowski
    Location: C&O Canal--Violette's Lock
  85. Sterna sp. Sterna sp.
    # Count: 37
    Date:
    Observer: Mike Ostrowski
    Location: C&O Canal--Violette's Lock
  86. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 21
    Date:
    Observer: Nathan Tea
    Location: Home
  87. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 300
    Date:
    Observer: Kevin Bennett
    Location: C&O Canal--Violette's Lock
  88. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Strathmore Grounds
  89. grebe sp. Podicipedidae sp.
    # Count: 2
    Date:
    Observer: Javier Lascurain
    Location: C&O Canal--Violette's Lock
  90. Empidonax sp. Empidonax sp.
    # Count: 6
    Date:
    Observer: Daniel Kraushaar
    Location: Blue Mash Nature Trail
  91. lovebird sp. Agapornis sp.
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Wheaton Branch Stormwater Ponds
  92. Amazona sp. Amazona sp.
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Wheaton Branch Stormwater Ponds
  93. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: C&O Canal--Pennyfield Lock
  94. moorhen/coot/gallinule sp. Gallinula/Fulica/Porphyrio sp.
    # Count: 1
    Date:
    Observer: Michael Burchett
    Location: Hughes Hollow - McKee Beshers WMA
  95. loon sp. Gavia sp.
    # Count: 8
    Date:
    Observer: James Nelson
    Location: Bradmoor Drive House
  96. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 6
    Date:
    Observer: Mike Ostrowski
    Location: Strathmore
  97. Spinus sp. Spinus sp.
    # Count: 9
    Date:
    Observer: Marshall Iliff
    Location: Francie's apartment
  98. large tern sp. Hydroprogne/Thalasseus sp.
    # Count: 1
    Date:
    Observer: Edward Patten
    Location: C&O Canal--Riley's Lock
  99. Selasphorus sp. Selasphorus sp.
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Bethesda--Radnor Rd
  100. blackbird sp. Icteridae sp.
    # Count: 10,000
    Date:
    Observer: James Nelson
    Location: BCC-IWLA (private)