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Del Valle Regional Park--Rocky Ridge Visitor Center

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Bird List

Updated ~6 seconds ago
146 All Years 116 This Year 2024 32 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (146)

  1. American Kestrel Falco sparverius
    # Count: 2
    Date:
    Observer: Henry Koertzen
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  2. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: David Assmann
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  3. Anna's Hummingbird Calypte anna
    # Count: 7
    Date:
    Observer: Colin McGregor
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  4. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 3
    Date:
    Observer: Colin McGregor
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  5. White-tailed Kite Elanus leucurus
    # Count: 2
    Date:
    Observer: Christina Tarr
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  6. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Christina Tarr
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  7. Western Kingbird Tyrannus verticalis
    # Count: 2
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  8. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  9. Common Gallinule Gallinula galeata
    # Count: 2
    Date:
    Observer: Dallas Levey
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  10. Western Wood-Pewee Contopus sordidulus
    # Count: 1
    Date:
    Observer: Dallas Levey
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  11. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 25
    Date:
    Observer: Dallas Levey
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  12. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Dallas Levey
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  13. Song Sparrow Melospiza melodia
    # Count: 5
    Date:
    Observer: Dallas Levey
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  14. Vaux's Swift Chaetura vauxi
    # Count: 2
    Date:
    Observer: Bradford Graham
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  15. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Bradford Graham
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  16. Western Tanager Piranga ludoviciana
    # Count: 2
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  17. Northern Mockingbird Mimus polyglottos
    # Count: 2
    Date:
    Observer: Steve Hancock
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  18. Brown-headed Cowbird Molothrus ater
    # Count: 2
    Date:
    Observer: Steve Hancock
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  19. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Zac Denning
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  20. Cackling Goose Branta hutchinsii
    # Count: 1
    Date:
    Observer: Justin Cottrell
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  21. Rock Pigeon Columba livia
    # Count: 2
    Date:
    Observer: Justin Cottrell
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  22. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Justin Cottrell
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  23. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Ed Yong
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  24. Wrentit Chamaea fasciata
    # Count: 5
    Date:
    Observer: Ed Yong
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  25. Red-breasted Nuthatch Sitta canadensis
    # Count: 2
    Date:
    Observer: Ed Yong
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  26. Nashville Warbler Leiothlypis ruficapilla
    # Count: 2
    Date:
    Observer: Ed Yong
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  27. Wilson's Warbler Cardellina pusilla
    # Count: 12
    Date:
    Observer: Ed Yong
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  28. Great Blue Heron Ardea herodias
    # Count: 4
    Date:
    Observer: Ken Willson
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  29. Greater Scaup Aythya marila
    # Count: 5
    Date:
    Observer: Grace Li
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  30. Barn Owl Tyto alba
    # Count: 5
    Date:
    Observer: Grace Li
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  31. Say's Phoebe Sayornis saya
    # Count: 4
    Date:
    Observer: Grace Li
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  32. Purple Finch Haemorhous purpureus
    # Count: 4
    Date:
    Observer: Grace Li
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  33. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Gerry Laird
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  34. Common Raven Corvus corax
    # Count: 6
    Date:
    Observer: Gerry Laird
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  35. Pied-billed Grebe Podilymbus podiceps
    # Count: 6
    Date:
    Observer: Gerry Laird
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  36. Red-breasted Sapsucker Sphyrapicus ruber
    # Count: 1
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  37. Ring-necked Duck Aythya collaris
    # Count: 20
    Date:
    Observer: Lori Pohlmann
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  38. Varied Thrush Ixoreus naevius
    # Count: 1
    Date:
    Observer: Lori Pohlmann
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  39. Lesser Scaup Aythya affinis
    # Count: 10
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  40. Killdeer Charadrius vociferus
    # Count: 38
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  41. Greater Yellowlegs Tringa melanoleuca
    # Count: 3
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  42. American Robin Turdus migratorius
    # Count: 26
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  43. Hooded Merganser Lophodytes cucullatus
    # Count: 1
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  44. Snowy Egret Egretta thula
    # Count: 8
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  45. Gadwall Mareca strepera
    # Count: 56
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  46. Wilson's Snipe Gallinago delicata
    # Count: 5
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  47. Double-crested Cormorant Nannopterum auritum
    # Count: 20
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  48. Band-tailed Pigeon Patagioenas fasciata
    # Count: 28
    Date:
    Observer: Cameron Tescher
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  49. Cooper's Hawk Accipiter cooperii
    # Count: 2
    Date:
    Observer: Cameron Tescher
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  50. Hutton's Vireo Vireo huttoni
    # Count: 2
    Date:
    Observer: Cameron Tescher
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  51. Chestnut-backed Chickadee Poecile rufescens
    # Count: 6
    Date:
    Observer: Cameron Tescher
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  52. Ruby-crowned Kinglet Corthylio calendula
    # Count: 7
    Date:
    Observer: Cameron Tescher
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  53. Hermit Thrush Catharus guttatus
    # Count: 4
    Date:
    Observer: Cameron Tescher
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  54. Townsend's Warbler Setophaga townsendi
    # Count: 7
    Date:
    Observer: Cameron Tescher
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  55. Northern Shoveler Spatula clypeata
    # Count: 30
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  56. Great Egret Ardea alba
    # Count: 2
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  57. Western Grebe Aechmophorus occidentalis
    # Count: 52
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  58. Turkey Vulture Cathartes aura
    # Count: 95
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  59. Mallard Anas platyrhynchos
    # Count: 60
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  60. Lesser Goldfinch Spinus psaltria
    # Count: 9
    Date:
    Observer: Zac Babbit
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  61. Green Heron Butorides virescens
    # Count: 4
    Date:
    Observer: Dawn Lemoine
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  62. Wood Duck Aix sponsa
    # Count: 9
    Date:
    Observer: Pete Morris
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  63. Mourning Dove Zenaida macroura
    # Count: 8
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  64. Western Bluebird Sialia mexicana
    # Count: 10
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  65. House Finch Haemorhous mexicanus
    # Count: 20
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  66. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  67. Black Phoebe Sayornis nigricans
    # Count: 6
    Date:
    Observer: Henry Koertzen
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  68. Warbling Vireo Vireo gilvus
    # Count: 5
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  69. Western Flycatcher Empidonax difficilis
    # Count: 2
    Date:
    Observer: Carla Delucchi
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  70. Pygmy Nuthatch Sitta pygmaea
    # Count: 1
    Date:
    Observer: Carla Delucchi
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  71. Common Merganser Mergus merganser
    # Count: 70
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  72. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  73. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  74. Great-tailed Grackle Quiscalus mexicanus
    # Count: 10
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  75. American Wigeon Mareca americana
    # Count: 6
    Date:
    Observer: Henry Koertzen
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  76. Nuttall's Woodpecker Dryobates nuttallii
    # Count: 4
    Date:
    Observer: Ivy Hsu
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  77. Common Poorwill Phalaenoptilus nuttallii
    # Count: 2
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  78. Hairy Woodpecker Dryobates villosus
    # Count: 2
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  79. Bald Eagle Haliaeetus leucocephalus
    # Count: 3
    Date:
    Observer: Kellie Collier
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  80. Bullock's Oriole Icterus bullockii
    # Count: 3
    Date:
    Observer: Susan Greef
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  81. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 6
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  82. Bufflehead Bucephala albeola
    # Count: 66
    Date:
    Observer: Bob Brandriff
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  83. Common Goldeneye Bucephala clangula
    # Count: 5
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  84. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 30
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  85. Phainopepla Phainopepla nitens
    # Count: 6
    Date:
    Observer: Gail Boyarsky
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  86. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 15
    Date:
    Observer: Gail Boyarsky
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  87. Red-winged Blackbird Agelaius phoeniceus
    # Count: 35
    Date:
    Observer: Gail Boyarsky
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  88. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 25
    Date:
    Observer: Gail Boyarsky
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  89. Ruddy Duck Oxyura jamaicensis
    # Count: 120
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  90. Cassin's Vireo Vireo cassinii
    # Count: 3
    Date:
    Observer: Carla Din
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  91. White-breasted Nuthatch Sitta carolinensis
    # Count: 11
    Date:
    Observer: Carla Din
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  92. Rufous-crowned Sparrow Aimophila ruficeps
    # Count: 2
    Date:
    Observer: Carla Din
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  93. Lark Sparrow Chondestes grammacus
    # Count: 2
    Date:
    Observer: Carla Din
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  94. Downy Woodpecker Dryobates pubescens
    # Count: 2
    Date:
    Observer: Gerry McChesney
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  95. Horned Lark Eremophila alpestris
    # Count: 2
    Date:
    Observer: Gerry McChesney
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  96. Tree Swallow Tachycineta bicolor
    # Count: 25
    Date:
    Observer: Marjorie Powell
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  97. Barn Swallow Hirundo rustica
    # Count: 16
    Date:
    Observer: Marjorie Powell
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  98. White-throated Swift Aeronautes saxatalis
    # Count: 25
    Date:
    Observer: Fred Werner
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  99. American Coot Fulica americana
    # Count: 155
    Date:
    Observer: Fred Werner
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  100. American White Pelican Pelecanus erythrorhynchos
    # Count: 30
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  101. Dark-eyed Junco Junco hyemalis
    # Count: 40
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  102. Clark's Grebe Aechmophorus clarkii
    # Count: 4
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  103. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  104. Savannah Sparrow Passerculus sandwichensis
    # Count: 4
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  105. Least Sandpiper Calidris minutilla
    # Count: 30
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  106. California Gull Larus californicus
    # Count: 3
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  107. Bushtit Psaltriparus minimus
    # Count: 35
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  108. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  109. Cedar Waxwing Bombycilla cedrorum
    # Count: 12
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  110. American Pipit Anthus rubescens
    # Count: 2
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  111. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  112. California Thrasher Toxostoma redivivum
    # Count: 3
    Date:
    Observer: Dennis Finger
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  113. Eared Grebe Podiceps nigricollis
    # Count: 30
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  114. Ring-billed Gull Larus delawarensis
    # Count: 7
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  115. Canada Goose Branta canadensis
    # Count: 250
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  116. Brown Creeper Certhia americana
    # Count: 2
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  117. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 300
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  118. Allen's Hummingbird Selasphorus sasin
    # Count: 1
    Date:
    Observer: Viviana Wolinsky
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  119. Acorn Woodpecker Melanerpes formicivorus
    # Count: 26
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  120. House Wren Troglodytes aedon
    # Count: 10
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  121. Bell's Sparrow Artemisiospiza belli
    # Count: 1
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  122. California Towhee Melozone crissalis
    # Count: 12
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  123. Spotted Towhee Pipilo maculatus
    # Count: 12
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  124. Orange-crowned Warbler Leiothlypis celata
    # Count: 16
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  125. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 2
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  126. Lincoln's Sparrow Melospiza lincolnii
    # Count: 5
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  127. Yellow-rumped Warbler Setophaga coronata
    # Count: 100
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  128. Red-shouldered Hawk Buteo lineatus
    # Count: 2
    Date:
    Observer: Cody Limber
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  129. Violet-green Swallow Tachycineta thalassina
    # Count: 21
    Date:
    Observer: Cody Limber
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  130. Western Meadowlark Sturnella neglecta
    # Count: 4
    Date:
    Observer: Cody Limber
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  131. Wild Turkey Meleagris gallopavo
    # Count: 85
    Date:
    Observer: Laurie Graham
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  132. California Quail Callipepla californica
    # Count: 40
    Date:
    Observer: Sharon J
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  133. Steller's Jay Cyanocitta stelleri
    # Count: 15
    Date:
    Observer: Sharon J
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  134. Greater Roadrunner Geococcyx californianus
    # Count: 1
    Date:
    Observer: Karina Garcia
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  135. American Crow Corvus brachyrhynchos
    # Count: 50
    Date:
    Observer: Sharon J
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  136. Forster's Tern Sterna forsteri
    # Count: 4
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  137. Red-tailed Hawk Buteo jamaicensis
    # Count: 6
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  138. Northern Flicker Colaptes auratus
    # Count: 10
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  139. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 12
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  140. Loggerhead Shrike Lanius ludovicianus
    # Count: 2
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  141. California Scrub-Jay Aphelocoma californica
    # Count: 40
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  142. Yellow-billed Magpie Pica nuttalli
    # Count: 30
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  143. Oak Titmouse Baeolophus inornatus
    # Count: 20
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  144. Bewick's Wren Thryomanes bewickii
    # Count: 8
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  145. European Starling Sturnus vulgaris
    # Count: 50
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  146. Pine Siskin Spinus pinus
    # Count: 8
    Date:
    Observer: Eyal Shochat
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center

Additional Taxa (13)

  1. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Gerry Laird
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  2. duck sp. Anatidae (duck sp.)
    # Count: 2
    Date:
    Observer: Sharon J
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  3. Western/Clark's Grebe Aechmophorus occidentalis/clarkii
    # Count: 41
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  4. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  5. Tree/Violet-green Swallow Tachycineta bicolor/thalassina
    # Count: 8
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  6. blackbird sp. Icteridae sp.
    # Count: 4
    Date:
    Observer: B T
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  7. swallow sp. Hirundinidae sp.
    # Count: 100
    Date:
    Observer: Susan Greef
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  8. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 6
    Date:
    Observer: Dawn Lemoine
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  9. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: X
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  10. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 2
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  11. peep sp. Calidris sp. (peep sp.)
    # Count: 20
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  12. Larus sp. Larus sp.
    # Count: 3
    Date:
    Observer: David Yeamans
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center
  13. gull sp. Larinae sp.
    # Count: 4
    Date:
    Observer: Sharon J
    Location: Del Valle Regional Park--Rocky Ridge Visitor Center