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Atlas Block IS46  —  Possession Point

T28N R3E NE (includes fragment in T28N R3E SE)

Observer Hours

YearObserversParty Hours
1987Phil Mattocks1
2001Arlene Stebbins, Bill Stebbins9
2001Frances Wood2.5
2001Arlene Stebbins2

Breeding Bird Status

Bird SpeciesBreeding StatusGo To County Map
Mallard
Anas platyrhynchos
Probable
California Quail
Callipepla californica
Probable
Great Blue Heron
Ardea herodias
Confirmed
Osprey
Pandion haliaetus
Possible
Bald Eagle
Haliaeetus leucocephalus
Confirmed
Red-tailed Hawk
Buteo jamaicensis
Possible
Killdeer
Charadrius vociferus
Probable
Glaucous-winged Gull
Larus glaucescens
Possible
Pigeon Guillemot
Cepphus columba
Probable
Rock Pigeon
Columba livia
Confirmed
Band-tailed Pigeon
Patagioenas fasciata
Probable
Rufous Hummingbird
Selasphorus rufus
Probable
Belted Kingfisher
Megaceryle alcyon
Possible
Downy Woodpecker
Picoides pubescens
Possible
Northern Flicker
Colaptes auratus
Probable
Pileated Woodpecker
Dryocopus pileatus
Confirmed
Olive-sided Flycatcher
Contopus cooperi
Possible
Willow Flycatcher
Empidonax traillii
Probable
Pacific-slope Flycatcher
Empidonax difficilis
Possible
Steller's Jay
Cyanocitta stelleri
Probable
American Crow
Corvus brachyrhynchos
Probable
Violet-green Swallow
Tachycineta thalassina
Probable
Cliff Swallow
Petrochelidon pyrrhonota
Possible
Barn Swallow
Hirundo rustica
Probable
Black-capped Chickadee
Poecile atricapillus
Confirmed
Chestnut-backed Chickadee
Poecile rufescens
Confirmed
Bushtit
Psaltriparus minimus
Confirmed
Red-breasted Nuthatch
Sitta canadensis
Probable
Brown Creeper
Certhia americana
Probable
Bewick's Wren
Thryomanes bewickii
Possible
Winter Wren
Troglodytes pacificus
Possible
Swainson's Thrush
Catharus ustulatus
Probable
American Robin
Turdus migratorius
Probable
European Starling
Sturnus vulgaris
Confirmed
Cedar Waxwing
Bombycilla cedrorum
Probable
Orange-crowned Warbler
Vermivora celata
Possible
Common Yellowthroat
Geothlypis trichas
Possible
Wilson's Warbler
Wilsonia pusilla
Probable
Western Tanager
Piranga ludoviciana
Possible
Spotted Towhee
Pipilo maculatus
Probable
Song Sparrow
Melospiza melodia
Probable
White-crowned Sparrow
Zonotrichia leucophrys
Confirmed
Dark-eyed Junco
Junco hyemalis
Possible
Black-headed Grosbeak
Pheucticus melanocephalus
Probable
Red-winged Blackbird
Agelaius phoeniceus
Probable
Brown-headed Cowbird
Molothrus ater
Probable
House Finch
Carpodacus mexicanus
Confirmed
Pine Siskin
Carduelis pinus
Possible
American Goldfinch
Carduelis tristis
Probable
House Sparrow
Passer domesticus
Confirmed