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Corte Madera Marsh

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Bird List

Updated ~4 seconds ago
225 All Years 111 This Year 2024 35 This Month Sep 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (224)

  1. Brandt's Cormorant Urile penicillatus
    # Count: 5
    Date:
    Observer: Dan Habig
    Location: Corte Madera Marsh
  2. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Darwin Mayhew
    Location: Corte Madera Marsh
  3. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 5
    Date:
    Observer: Carla Parkinson
    Location: Corte Madera Marsh
  4. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 26
    Date:
    Observer: Carleen Wong
    Location: Corte Madera Marsh
  5. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Sylvie Silverstein
    Location: Corte Madera Marsh
  6. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 55
    Date:
    Observer: Tara Harris
    Location: Corte Madera Marsh
  7. Blue-winged Teal Spatula discors
    # Count: 10
    Date:
    Observer: G Schlegel
    Location: Corte Madera Marsh
  8. American Pipit Anthus rubescens
    # Count: 40
    Date:
    Observer: Jake Ruygt
    Location: Corte Madera Marsh
  9. Redhead Aythya americana
    # Count: 3
    Date:
    Observer: Hilary W
    Location: Corte Madera Marsh
  10. Sharp-shinned Hawk Accipiter striatus
    # Count: 3
    Date:
    Observer: Daniel Solorzano-Jones
    Location: Corte Madera Marsh
  11. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  12. Herring Gull Larus argentatus
    # Count: 20
    Date:
    Observer: Kirk Hardie
    Location: Corte Madera Marsh
  13. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Alison Su
    Location: Corte Madera Marsh
  14. Bufflehead Bucephala albeola
    # Count: 500
    Date:
    Observer: Ethan Landreville
    Location: Corte Madera Marsh
  15. Elegant Tern Thalasseus elegans
    # Count: 140
    Date:
    Observer: Tobias Rohmer
    Location: Corte Madera Marsh
  16. Band-tailed Pigeon Patagioenas fasciata
    # Count: 14
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  17. Great Blue Heron Ardea herodias
    # Count: 6
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  18. Western Flycatcher Empidonax difficilis
    # Count: 1
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  19. Northern Mockingbird Mimus polyglottos
    # Count: 8
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  20. Common Yellowthroat Geothlypis trichas
    # Count: 20
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  21. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 2
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  22. Lesser Goldfinch Spinus psaltria
    # Count: 200
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  23. White-tailed Kite Elanus leucurus
    # Count: 8
    Date:
    Observer: Bob Battagin
    Location: Corte Madera Marsh
  24. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 80
    Date:
    Observer: Sze On Ng (Aaron)
    Location: Corte Madera Marsh
  25. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  26. Lazuli Bunting Passerina amoena
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  27. Virginia Rail Rallus limicola
    # Count: 2
    Date:
    Observer: Jean Olive-Lammers
    Location: Corte Madera Marsh
  28. Tricolored Blackbird Agelaius tricolor
    # Count: 32
    Date:
    Observer: Jon. Anderson
    Location: Corte Madera Marsh
  29. Pelagic Cormorant Urile pelagicus
    # Count: 2
    Date:
    Observer: Kayla Vodehnal
    Location: Corte Madera Marsh
  30. Black Skimmer Rynchops niger
    # Count: 6
    Date:
    Observer: Jakob Dulisse
    Location: Corte Madera Marsh
  31. Pacific Wren Troglodytes pacificus
    # Count: 1
    Date:
    Observer: Jakob Dulisse
    Location: Corte Madera Marsh
  32. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: Ann Linder
    Location: Corte Madera Marsh
  33. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Cristina Seronio
    Location: Corte Madera Marsh
  34. Tropical Kingbird Tyrannus melancholicus
    # Count: 1
    Date:
    Observer: Cristina Seronio
    Location: Corte Madera Marsh
  35. Purple Martin Progne subis
    # Count: 1
    Date:
    Observer: Simon Boivin
    Location: Corte Madera Marsh
  36. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Simon Boivin
    Location: Corte Madera Marsh
  37. Wandering Tattler Tringa incana
    # Count: 1
    Date:
    Observer: Heidi Regier
    Location: Corte Madera Marsh
  38. Common Raven Corvus corax
    # Count: 17
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  39. House Wren Troglodytes aedon
    # Count: 4
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  40. Wilson's Phalarope Phalaropus tricolor
    # Count: 2
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  41. Western Kingbird Tyrannus verticalis
    # Count: 3
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  42. Short-billed Dowitcher Limnodromus griseus
    # Count: 15
    Date:
    Observer: Dan Habig
    Location: Corte Madera Marsh
  43. Sanderling Calidris alba
    # Count: 25
    Date:
    Observer: Alison Su
    Location: Corte Madera Marsh
  44. Common Gallinule Gallinula galeata
    # Count: 1
    Date:
    Observer: Kevin Garcia
    Location: Corte Madera Marsh
  45. Eurasian Wigeon Mareca penelope
    # Count: 4
    Date:
    Observer: Lisa Beckstead
    Location: Corte Madera Marsh
  46. Horned Grebe Podiceps auritus
    # Count: 7
    Date:
    Observer: Daniel Heagerty
    Location: Corte Madera Marsh
  47. Peregrine Falcon Falco peregrinus
    # Count: 2
    Date:
    Observer: Evan Farese
    Location: Corte Madera Marsh
  48. Western Sandpiper Calidris mauri
    # Count: 266
    Date:
    Observer: Kristin Olson
    Location: Corte Madera Marsh
  49. American Wigeon Mareca americana
    # Count: 400
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  50. Green-winged Teal Anas crecca
    # Count: 450
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  51. Lesser Scaup Aythya affinis
    # Count: 90
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  52. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 60
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  53. Burrowing Owl Athene cunicularia
    # Count: 1
    Date:
    Observer: Anita Toney
    Location: Corte Madera Marsh
  54. Red-breasted Merganser Mergus serrator
    # Count: 50
    Date:
    Observer: Michelle Savoie
    Location: Corte Madera Marsh
  55. Red Crossbill Loxia curvirostra
    # Count: 1
    Date:
    Observer: Michelle Savoie
    Location: Corte Madera Marsh
  56. Gadwall Mareca strepera
    # Count: 55
    Date:
    Observer: Phred Benham
    Location: Corte Madera Marsh
  57. Western Meadowlark Sturnella neglecta
    # Count: 65
    Date:
    Observer: Derek Lecy
    Location: Corte Madera Marsh
  58. Northern Shoveler Spatula clypeata
    # Count: 147
    Date:
    Observer: Tara Harris
    Location: Corte Madera Marsh
  59. Lark Sparrow Chondestes grammacus
    # Count: 4
    Date:
    Observer: Tara Harris
    Location: Corte Madera Marsh
  60. Dusky Warbler Phylloscopus fuscatus
    # Count: 1
    Date:
    Observer: Andrew Kenny
    Location: Corte Madera Marsh
  61. Brewer's Sparrow Spizella breweri
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  62. Palm Warbler Setophaga palmarum
    # Count: 2
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  63. Orange-crowned Warbler Leiothlypis celata
    # Count: 3
    Date:
    Observer: Mark Stephenson
    Location: Corte Madera Marsh
  64. Vaux's Swift Chaetura vauxi
    # Count: 4
    Date:
    Observer: Dorian Anderson
    Location: Corte Madera Marsh
  65. Cooper's Hawk Accipiter cooperii
    # Count: 2
    Date:
    Observer: Dorian Anderson
    Location: Corte Madera Marsh
  66. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  67. Clay-colored Sparrow Spizella pallida
    # Count: 2
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  68. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  69. Yellow Warbler Setophaga petechia
    # Count: 13
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  70. Brown Pelican Pelecanus occidentalis
    # Count: 120
    Date:
    Observer: Heidi Regier
    Location: Corte Madera Marsh
  71. Lesser Yellowlegs Tringa flavipes
    # Count: 2
    Date:
    Observer: susan howard
    Location: Corte Madera Marsh
  72. Caspian Tern Hydroprogne caspia
    # Count: 15
    Date:
    Observer: susan howard
    Location: Corte Madera Marsh
  73. Barn Swallow Hirundo rustica
    # Count: 40
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  74. Violet-green Swallow Tachycineta thalassina
    # Count: 40
    Date:
    Observer: Bryan Flaig
    Location: Corte Madera Marsh
  75. White-throated Swift Aeronautes saxatalis
    # Count: 4
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  76. Hutton's Vireo Vireo huttoni
    # Count: 1
    Date:
    Observer: Evan Farese
    Location: Corte Madera Marsh
  77. Black Oystercatcher Haematopus bachmani
    # Count: 2
    Date:
    Observer: Connor Cochrane Biking
    Location: Corte Madera Marsh
  78. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Konshau Duman
    Location: Corte Madera Marsh
  79. Ring-necked Duck Aythya collaris
    # Count: 9
    Date:
    Observer: Heidi Regier
    Location: Corte Madera Marsh
  80. Whimbrel Numenius phaeopus
    # Count: 45
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  81. Iceland Gull Larus glaucoides
    # Count: 2
    Date:
    Observer: Joel Hedgpeth
    Location: Corte Madera Marsh
  82. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  83. Marsh Wren Cistothorus palustris
    # Count: 35
    Date:
    Observer: Lucas Corneliussen
    Location: Corte Madera Marsh
  84. Hooded Merganser Lophodytes cucullatus
    # Count: 24
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  85. Dunlin Calidris alpina
    # Count: 554
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  86. Say's Phoebe Sayornis saya
    # Count: 5
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  87. Red Phalarope Phalaropus fulicarius
    # Count: 7
    Date:
    Observer: Robert Stevenson
    Location: Corte Madera Marsh
  88. Wild Turkey Meleagris gallopavo
    # Count: 7
    Date:
    Observer: william corns
    Location: Corte Madera Marsh
  89. Great-tailed Grackle Quiscalus mexicanus
    # Count: 1
    Date:
    Observer: Derek Lecy
    Location: Corte Madera Marsh
  90. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Derek Lecy
    Location: Corte Madera Marsh
  91. House Finch Haemorhous mexicanus
    # Count: 150
    Date:
    Observer: Clayton Borzini
    Location: Corte Madera Marsh
  92. Savannah Sparrow Passerculus sandwichensis
    # Count: 45
    Date:
    Observer: Clayton Borzini
    Location: Corte Madera Marsh
  93. American White Pelican Pelecanus erythrorhynchos
    # Count: 150
    Date:
    Observer: Heidi Regier
    Location: Corte Madera Marsh
  94. White-faced Ibis Plegadis chihi
    # Count: 12
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  95. Brown-headed Cowbird Molothrus ater
    # Count: 8
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  96. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  97. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: David Webster
    Location: Corte Madera Marsh
  98. Oak Titmouse Baeolophus inornatus
    # Count: 6
    Date:
    Observer: David Webster
    Location: Corte Madera Marsh
  99. American Goldfinch Spinus tristis
    # Count: 15
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  100. Snowy Egret Egretta thula
    # Count: 85
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  101. Great Egret Ardea alba
    # Count: 30
    Date:
    Observer: JoAnne Tillemans
    Location: Corte Madera Marsh
  102. Black Turnstone Arenaria melanocephala
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  103. Hooded Oriole Icterus cucullatus
    # Count: 2
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  104. Semipalmated Plover Charadrius semipalmatus
    # Count: 21
    Date:
    Observer: Dorian Anderson
    Location: Corte Madera Marsh
  105. Acorn Woodpecker Melanerpes formicivorus
    # Count: X
    Date:
    Observer: Jeff Perkins
    Location: Corte Madera Marsh
  106. Greater White-fronted Goose Anser albifrons
    # Count: 2
    Date:
    Observer: Tyson Appel
    Location: Corte Madera Marsh
  107. Barrow's Goldeneye Bucephala islandica
    # Count: 2
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  108. Red-shouldered Hawk Buteo lineatus
    # Count: 3
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  109. Northern Harrier Circus hudsonius
    # Count: 3
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  110. Black Phoebe Sayornis nigricans
    # Count: 30
    Date:
    Observer: Tyler Hampton
    Location: Corte Madera Marsh
  111. Fox Sparrow Passerella iliaca
    # Count: 5
    Date:
    Observer: Tyler Hampton
    Location: Corte Madera Marsh
  112. Glaucous-winged Gull Larus glaucescens
    # Count: 20
    Date:
    Observer: Heidi Regier
    Location: Corte Madera Marsh
  113. Wilson's Snipe Gallinago delicata
    # Count: 6
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  114. Common Merganser Mergus merganser
    # Count: 7
    Date:
    Observer: Alan Peryam
    Location: Corte Madera Marsh
  115. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  116. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  117. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  118. Chipping Sparrow Spizella passerina
    # Count: 3
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  119. Wilson's Warbler Cardellina pusilla
    # Count: 3
    Date:
    Observer: Sean Lewis
    Location: Corte Madera Marsh
  120. Chestnut-backed Chickadee Poecile rufescens
    # Count: 10
    Date:
    Observer: Joachim Gonzalez
    Location: Corte Madera Marsh
  121. Purple Finch Haemorhous purpureus
    # Count: 10
    Date:
    Observer: Brian Wolfe
    Location: Corte Madera Marsh
  122. Swamp Sparrow Melospiza georgiana
    # Count: 2
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  123. Western Bluebird Sialia mexicana
    # Count: 11
    Date:
    Observer: larry nigro
    Location: Corte Madera Marsh
  124. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: larry nigro
    Location: Corte Madera Marsh
  125. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: larry nigro
    Location: Corte Madera Marsh
  126. Nelson's Sparrow Ammospiza nelsoni
    # Count: 2
    Date:
    Observer: Lily Douglas
    Location: Corte Madera Marsh
  127. Lincoln's Sparrow Melospiza lincolnii
    # Count: 17
    Date:
    Observer: Steve Tucker
    Location: Corte Madera Marsh
  128. Mallard Anas platyrhynchos
    # Count: 84
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  129. Harlequin Duck Histrionicus histrionicus
    # Count: 1
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  130. Ruddy Duck Oxyura jamaicensis
    # Count: 433
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  131. Clark's Grebe Aechmophorus clarkii
    # Count: 15
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  132. Rock Pigeon Columba livia
    # Count: 172
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  133. Anna's Hummingbird Calypte anna
    # Count: 24
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  134. Sora Porzana carolina
    # Count: 6
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  135. Turkey Vulture Cathartes aura
    # Count: 32
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  136. Osprey Pandion haliaetus
    # Count: 4
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  137. Red-tailed Hawk Buteo jamaicensis
    # Count: 7
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  138. Great Horned Owl Bubo virginianus
    # Count: 3
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  139. Red-breasted Sapsucker Sphyrapicus ruber
    # Count: 3
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  140. Downy Woodpecker Dryobates pubescens
    # Count: 5
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  141. California Scrub-Jay Aphelocoma californica
    # Count: 25
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  142. American Crow Corvus brachyrhynchos
    # Count: 103
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  143. Bushtit Psaltriparus minimus
    # Count: 46
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  144. Wrentit Chamaea fasciata
    # Count: 5
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  145. Ruby-crowned Kinglet Corthylio calendula
    # Count: 16
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  146. Pygmy Nuthatch Sitta pygmaea
    # Count: 24
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  147. Bewick's Wren Thryomanes bewickii
    # Count: 7
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  148. Hermit Thrush Catharus guttatus
    # Count: 5
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  149. Cedar Waxwing Bombycilla cedrorum
    # Count: 62
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  150. Dark-eyed Junco Junco hyemalis
    # Count: 66
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  151. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 122
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  152. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 137
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  153. California Towhee Melozone crissalis
    # Count: 23
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  154. Spotted Towhee Pipilo maculatus
    # Count: 4
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  155. Yellow-rumped Warbler Setophaga coronata
    # Count: 48
    Date:
    Observer: Jack Obedzinski
    Location: Corte Madera Marsh
  156. American Coot Fulica americana
    # Count: 350
    Date:
    Observer: Liam Waters
    Location: Corte Madera Marsh
  157. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  158. Black-necked Stilt Himantopus mexicanus
    # Count: 110
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  159. House Sparrow Passer domesticus
    # Count: 15
    Date:
    Observer: Ken Burton
    Location: Corte Madera Marsh
  160. Wood Duck Aix sponsa
    # Count: 1
    Date:
    Observer: Phyllis Pansegrau
    Location: Corte Madera Marsh
  161. Eared Grebe Podiceps nigricollis
    # Count: 7
    Date:
    Observer: George Gibbs
    Location: Corte Madera Marsh
  162. Greater Yellowlegs Tringa melanoleuca
    # Count: 50
    Date:
    Observer: George Gibbs
    Location: Corte Madera Marsh
  163. Sage Thrasher Oreoscoptes montanus
    # Count: 1
    Date:
    Observer: Everett Clark
    Location: Corte Madera Marsh
  164. Red-breasted Nuthatch Sitta canadensis
    # Count: 2
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  165. Forster's Tern Sterna forsteri
    # Count: 77
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  166. Double-crested Cormorant Nannopterum auritum
    # Count: 50
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  167. Common Murre Uria aalge
    # Count: 3
    Date:
    Observer: Chet Ogan
    Location: Corte Madera Marsh
  168. Black-bellied Plover Pluvialis squatarola
    # Count: 102
    Date:
    Observer: Richard Cimino
    Location: Corte Madera Marsh
  169. Greater Scaup Aythya marila
    # Count: 4000
    Date:
    Observer: Richard Cimino
    Location: Corte Madera Marsh
  170. Common Loon Gavia immer
    # Count: 3
    Date:
    Observer: Richard Cimino
    Location: Corte Madera Marsh
  171. Cackling Goose Branta hutchinsii
    # Count: 7
    Date:
    Observer: Henry Mauer
    Location: Corte Madera Marsh
  172. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: David Assmann
    Location: Corte Madera Marsh
  173. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 255
    Date:
    Observer: Elaine Vokoun
    Location: Corte Madera Marsh
  174. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: Colleen Lenihan
    Location: Corte Madera Marsh
  175. Song Sparrow Melospiza melodia
    # Count: 90
    Date:
    Observer: Colleen Lenihan
    Location: Corte Madera Marsh
  176. American Avocet Recurvirostra americana
    # Count: 400
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  177. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  178. Townsend's Warbler Setophaga townsendi
    # Count: 4
    Date:
    Observer: David Assmann
    Location: Corte Madera Marsh
  179. Red Knot Calidris canutus
    # Count: 4
    Date:
    Observer: Jeff Miller
    Location: Corte Madera Marsh
  180. Baird's Sandpiper Calidris bairdii
    # Count: 3
    Date:
    Observer: Peter Colasanti
    Location: Corte Madera Marsh
  181. Ridgway's Rail Rallus obsoletus
    # Count: 23
    Date:
    Observer: Megan Elrod
    Location: Corte Madera Marsh
  182. Canada Goose Branta canadensis
    # Count: 136
    Date:
    Observer: Peter Colasanti
    Location: Corte Madera Marsh
  183. Allen's Hummingbird Selasphorus sasin
    # Count: 3
    Date:
    Observer: Magill Weber
    Location: Corte Madera Marsh
  184. Marbled Godwit Limosa fedoa
    # Count: 80
    Date:
    Observer: Christine Hayamizu
    Location: Corte Madera Marsh
  185. Western Gull Larus occidentalis
    # Count: 100
    Date:
    Observer: John Shrader
    Location: Corte Madera Marsh
  186. Red-necked Phalarope Phalaropus lobatus
    # Count: 200
    Date:
    Observer: DAVID MACKENZIE
    Location: Corte Madera Marsh
  187. Willet Tringa semipalmata
    # Count: 400
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  188. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 13
    Date:
    Observer: Mary Morrison
    Location: Corte Madera Marsh
  189. Tree Swallow Tachycineta bicolor
    # Count: 26
    Date:
    Observer: Mary Morrison
    Location: Corte Madera Marsh
  190. Red-winged Blackbird Agelaius phoeniceus
    # Count: 240
    Date:
    Observer: Mary Morrison
    Location: Corte Madera Marsh
  191. Long-billed Curlew Numenius americanus
    # Count: 40
    Date:
    Observer: Paul Cordero
    Location: Corte Madera Marsh
  192. Pacific Golden-Plover Pluvialis fulva
    # Count: 1
    Date:
    Observer: Jim Rowoth
    Location: Corte Madera Marsh
  193. Pacific Loon Gavia pacifica
    # Count: 1
    Date:
    Observer: Scott DeSelle
    Location: Corte Madera Marsh
  194. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: john fitch
    Location: Corte Madera Marsh
  195. Prairie Falcon Falco mexicanus
    # Count: X
    Date:
    Observer: Robert Lewis
    Location: Corte Madera Marsh
  196. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Gary Brower
    Location: Corte Madera Marsh
  197. Pied-billed Grebe Podilymbus podiceps
    # Count: 20
    Date:
    Observer: Gina Sheridan
    Location: Corte Madera Marsh
  198. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Gina Sheridan
    Location: Corte Madera Marsh
  199. Heermann's Gull Larus heermanni
    # Count: 1
    Date:
    Observer: Gina Sheridan
    Location: Corte Madera Marsh
  200. Cinnamon Teal Spatula cyanoptera
    # Count: 20
    Date:
    Observer: Dan Murphy
    Location: Corte Madera Marsh
  201. Northern Pintail Anas acuta
    # Count: 350
    Date:
    Observer: Dan Murphy
    Location: Corte Madera Marsh
  202. California Gull Larus californicus
    # Count: 300
    Date:
    Observer: Dan Murphy
    Location: Corte Madera Marsh
  203. Least Sandpiper Calidris minutilla
    # Count: 1000
    Date:
    Observer: Paul Mack
    Location: Corte Madera Marsh
  204. Ring-billed Gull Larus delawarensis
    # Count: 500
    Date:
    Observer: Paul Mack
    Location: Corte Madera Marsh
  205. Canvasback Aythya valisineria
    # Count: 350
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  206. Surf Scoter Melanitta perspicillata
    # Count: 25
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  207. Common Goldeneye Bucephala clangula
    # Count: 42
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  208. California Quail Callipepla californica
    # Count: 50
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  209. Western Grebe Aechmophorus occidentalis
    # Count: 315
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  210. Mourning Dove Zenaida macroura
    # Count: 54
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  211. Killdeer Charadrius vociferus
    # Count: 45
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  212. Spotted Sandpiper Actitis macularius
    # Count: 4
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  213. Short-billed Gull Larus brachyrhynchus
    # Count: 90
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  214. Northern Flicker Colaptes auratus
    # Count: 10
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  215. American Kestrel Falco sparverius
    # Count: 11
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  216. Loggerhead Shrike Lanius ludovicianus
    # Count: 2
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  217. Steller's Jay Cyanocitta stelleri
    # Count: 5
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  218. Horned Lark Eremophila alpestris
    # Count: 2
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  219. European Starling Sturnus vulgaris
    # Count: 300
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  220. Varied Thrush Ixoreus naevius
    # Count: 3
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  221. American Robin Turdus migratorius
    # Count: 500
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  222. Pine Siskin Spinus pinus
    # Count: 30
    Date:
    Observer: Scott Carey
    Location: Corte Madera Marsh
  223. Short-eared Owl Asio flammeus
    # Count: 3
    Date:
    Observer: Peter Colasanti
    Location: Corte Madera Marsh
  224. Common Tern Sterna hirundo
    # Count: 2
    Date:
    Observer: Richard Erickson
    Location: Corte Madera Marsh

Exotic: Provisional (1)

  1. Mute Swan Cygnus olor
    # Count: 7
    Date:
    Observer: Megan Kierstead
    Location: Corte Madera Marsh

Exotic: Escapee (1)

  1. Graylag Goose Anser anser
    # Count: 10
    Date:
    Observer: Jeffrey Anderson
    Location: Corte Madera Marsh

Hybrids (3)

  1. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    # Count: 1
    Date:
    Observer: larry nigro
    Location: Corte Madera Marsh
  2. Eurasian x American Wigeon (hybrid) Mareca penelope x americana
    # Count: 1
    Date:
    Observer: Mark Sawyer
    Location: Corte Madera Marsh
  3. Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescens
    # Count: 2
    Date:
    Observer: Justin Bosler
    Location: Corte Madera Marsh

Additional Taxa (41)

  1. Blue-winged/Cinnamon Teal Spatula discors/cyanoptera
    # Count: 3
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  2. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 3
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  3. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Simon Boivin
    Location: Corte Madera Marsh
  4. tern sp. Sterninae sp.
    # Count: 8
    Date:
    Observer: George Gibbs
    Location: Corte Madera Marsh
  5. pigeon/dove sp. Columbidae sp.
    # Count: 1
    Date:
    Observer: Chase Carter
    Location: Corte Madera Marsh
  6. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Lindsey Mitchell
    Location: Corte Madera Marsh
  7. swallow sp. Hirundinidae sp.
    # Count: 25
    Date:
    Observer: Anita Toney
    Location: Corte Madera Marsh
  8. new world goldfinch sp. Spinus sp. (goldfinch sp.)
    # Count: 10
    Date:
    Observer: Lily Calderón
    Location: Corte Madera Marsh
  9. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Bryan Flaig
    Location: Corte Madera Marsh
  10. large shorebird sp. Scolopacidae sp. (large shorebird sp.)
    # Count: 75
    Date:
    Observer: Wren Leader
    Location: Corte Madera Marsh
  11. Calidris sp. Calidris sp.
    # Count: 300
    Date:
    Observer: Evan Farese
    Location: Corte Madera Marsh
  12. Larus sp. Larus sp.
    # Count: 100
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  13. gull sp. Larinae sp.
    # Count: 150
    Date:
    Observer: Jean Olive-Lammers
    Location: Corte Madera Marsh
  14. duck sp. Anatidae (duck sp.)
    # Count: 2500
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  15. cormorant sp. Phalacrocoracidae sp.
    # Count: 6
    Date:
    Observer: Preston Mui
    Location: Corte Madera Marsh
  16. swift sp. Apodidae sp.
    # Count: 1
    Date:
    Observer: Carlos Mendoza
    Location: Corte Madera Marsh
  17. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 125
    Date:
    Observer: Jim White
    Location: Corte Madera Marsh
  18. new world sparrow sp. Passerellidae sp.
    # Count: 30
    Date:
    Observer: Jean Olive-Lammers
    Location: Corte Madera Marsh
  19. Zonotrichia sp. Zonotrichia sp.
    # Count: 25
    Date:
    Observer: Sylvie Silverstein
    Location: Corte Madera Marsh
  20. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Sylvie Silverstein
    Location: Corte Madera Marsh
  21. Western/Glaucous-winged Gull Larus occidentalis/glaucescens
    # Count: 1
    Date:
    Observer: Jean Olive-Lammers
    Location: Corte Madera Marsh
  22. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Corte Madera Marsh
  23. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 4
    Date:
    Observer: Everett Clark
    Location: Corte Madera Marsh
  24. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Brian Browne
    Location: Corte Madera Marsh
  25. blackbird sp. Icteridae sp.
    # Count: 100
    Date:
    Observer: Billie Sommerfeld
    Location: Corte Madera Marsh
  26. Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolor
    # Count: 7
    Date:
    Observer: Matt Spangler
    Location: Corte Madera Marsh
  27. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 38
    Date:
    Observer: Karen Wilkinson
    Location: Corte Madera Marsh
  28. teal sp. Anatidae sp. (teal sp.)
    # Count: 5
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh
  29. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 100
    Date:
    Observer: David Assmann
    Location: Corte Madera Marsh
  30. peep sp. Calidris sp. (peep sp.)
    # Count: 1000
    Date:
    Observer: David Assmann
    Location: Corte Madera Marsh
  31. shorebird sp. Charadriiformes sp.
    # Count: 100
    Date:
    Observer: Alan Peryam
    Location: Corte Madera Marsh
  32. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 8
    Date:
    Observer: Oliver Hufford
    Location: Corte Madera Marsh
  33. Spizella sp. Spizella sp.
    # Count: 1
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  34. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Derek Lecy
    Location: Corte Madera Marsh
  35. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 12
    Date:
    Observer: Mark Forney
    Location: Corte Madera Marsh
  36. Horned/Eared Grebe Podiceps auritus/nigricollis
    # Count: 4
    Date:
    Observer: larry nigro
    Location: Corte Madera Marsh
  37. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Mark Sawyer
    Location: Corte Madera Marsh
  38. crow/raven sp. Corvus sp.
    # Count: 4
    Date:
    Observer: Mark Sawyer
    Location: Corte Madera Marsh
  39. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 550
    Date:
    Observer: Everett Clark
    Location: Corte Madera Marsh
  40. passerine sp. Passeriformes sp.
    # Count: 13
    Date:
    Observer: Jonah Benningfield
    Location: Corte Madera Marsh
  41. grebe sp. Podicipedidae sp.
    # Count: 1
    Date:
    Observer: Connor Cochrane
    Location: Corte Madera Marsh