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Atlas Block IS31  —  Double Bluff

T29N R2E SE (includes fragment in T29N R2E SW)

Observer Hours

YearObserversParty Hours
1989Sally van Niel, Jan van Niel1
2001Susan Zwinger3
2001Frances Wood6
2002Bob Merrick4.5
2002Frances Wood5.5

Breeding Bird Status

Bird SpeciesBreeding StatusGo To County Map
Canada Goose
Branta canadensis
Confirmed
Wood Duck
Aix sponsa
Possible
Gadwall
Anas strepera
Probable
Mallard
Anas platyrhynchos
Confirmed
Lesser Scaup
Aythya affinis
Confirmed
California Quail
Callipepla californica
Possible
American Bittern
Botaurus lentiginosus
Possible
Great Blue Heron
Ardea herodias
Probable
Osprey
Pandion haliaetus
Confirmed
Bald Eagle
Haliaeetus leucocephalus
Confirmed
Northern Harrier
Circus cyaneus
Confirmed
Red-tailed Hawk
Buteo jamaicensis
Probable
Virginia Rail
Rallus limicola
Possible
Killdeer
Charadrius vociferus
Possible
Pigeon Guillemot
Cepphus columba
Confirmed
Rock Pigeon
Columba livia
Possible
Band-tailed Pigeon
Patagioenas fasciata
Possible
Rufous Hummingbird
Selasphorus rufus
Confirmed
Belted Kingfisher
Megaceryle alcyon
Probable
Hairy Woodpecker
Picoides villosus
Probable
Northern Flicker
Colaptes auratus
Confirmed
Olive-sided Flycatcher
Contopus cooperi
Probable
Willow Flycatcher
Empidonax traillii
Probable
Pacific-slope Flycatcher
Empidonax difficilis
Possible
Hutton's Vireo
Vireo huttoni
Possible
Warbling Vireo
Vireo gilvus
Possible
American Crow
Corvus brachyrhynchos
Probable
Common Raven
Corvus corax
Possible
Violet-green Swallow
Tachycineta thalassina
Confirmed
Northern Rough-winged Swallow
Stelgidopteryx serripennis
Probable
Cliff Swallow
Petrochelidon pyrrhonota
Confirmed
Barn Swallow
Hirundo rustica
Confirmed
Black-capped Chickadee
Poecile atricapillus
Possible
Chestnut-backed Chickadee
Poecile rufescens
Confirmed
Bushtit
Psaltriparus minimus
Possible
Red-breasted Nuthatch
Sitta canadensis
Probable
Brown Creeper
Certhia americana
Possible
Bewick's Wren
Thryomanes bewickii
Possible
Winter Wren
Troglodytes pacificus
Possible
Marsh Wren
Cistothorus palustris
Probable
Swainson's Thrush
Catharus ustulatus
Probable
American Robin
Turdus migratorius
Confirmed
European Starling
Sturnus vulgaris
Confirmed
Cedar Waxwing
Bombycilla cedrorum
Probable
Orange-crowned Warbler
Vermivora celata
Probable
Yellow Warbler
Dendroica petechia
Possible
Black-throated Gray Warbler
Dendroica nigrescens
Possible
Common Yellowthroat
Geothlypis trichas
Probable
Wilson's Warbler
Wilsonia pusilla
Probable
Western Tanager
Piranga ludoviciana
Possible
Spotted Towhee
Pipilo maculatus
Probable
Savannah Sparrow
Passerculus sandwichensis
Possible
Song Sparrow
Melospiza melodia
Probable
White-crowned Sparrow
Zonotrichia leucophrys
Probable
Dark-eyed Junco
Junco hyemalis
Probable
Black-headed Grosbeak
Pheucticus melanocephalus
Possible
Red-winged Blackbird
Agelaius phoeniceus
Confirmed
Brewer's Blackbird
Euphagus cyanocephalus
Confirmed
Brown-headed Cowbird
Molothrus ater
Possible
Purple Finch
Carpodacus purpureus
Possible
House Finch
Carpodacus mexicanus
Probable
Pine Siskin
Carduelis pinus
Probable
American Goldfinch
Carduelis tristis
Probable
House Sparrow
Passer domesticus
Confirmed