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Atlas Block KG150  —  Mount Si

T23N R8E NE

Observer Hours

YearObserversParty Hours
1992Eugene Hunn1.5
1998Lucien Opperman, Hideko Opperman0.5
1998Hal Opperman, JoLynn Edwards2.67

Breeding Bird Status

Bird SpeciesBreeding StatusGo To County Map
Mallard
Anas platyrhynchos
Probable
Osprey
Pandion haliaetus
Confirmed
Peregrine Falcon*
Falco peregrinus
Probable
Barred Owl
Strix varia
Possible
Vaux's Swift
Chaetura vauxi
Possible
Rufous Hummingbird
Selasphorus rufus
Possible
Northern Flicker
Colaptes auratus
Possible
Western Wood-Pewee
Contopus sordidulus
Possible
Willow Flycatcher
Empidonax traillii
Possible
Pacific-slope Flycatcher
Empidonax difficilis
Possible
Warbling Vireo
Vireo gilvus
Possible
Gray Jay
Perisoreus canadensis
Possible
Steller's Jay
Cyanocitta stelleri
Possible
American Crow
Corvus brachyrhynchos
Confirmed
Violet-green Swallow
Tachycineta thalassina
Possible
Northern Rough-winged Swallow
Stelgidopteryx serripennis
Possible
Cliff Swallow
Petrochelidon pyrrhonota
Possible
Barn Swallow
Hirundo rustica
Possible
Black-capped Chickadee
Poecile atricapillus
Possible
Chestnut-backed Chickadee
Poecile rufescens
Possible
Bushtit
Psaltriparus minimus
Possible
Red-breasted Nuthatch
Sitta canadensis
Possible
Winter Wren
Troglodytes pacificus
Possible
Golden-crowned Kinglet
Regulus satrapa
Possible
Swainson's Thrush
Catharus ustulatus
Probable
American Robin
Turdus migratorius
Confirmed
European Starling
Sturnus vulgaris
Confirmed
Cedar Waxwing
Bombycilla cedrorum
Possible
Orange-crowned Warbler
Vermivora celata
Possible
Black-throated Gray Warbler
Dendroica nigrescens
Confirmed
Townsend's Warbler
Dendroica townsendi
Possible
MacGillivray's Warbler
Oporornis tolmiei
Possible
Common Yellowthroat
Geothlypis trichas
Possible
Wilson's Warbler
Wilsonia pusilla
Possible
Western Tanager
Piranga ludoviciana
Possible
Spotted Towhee
Pipilo maculatus
Probable
Savannah Sparrow
Passerculus sandwichensis
Possible
Song Sparrow
Melospiza melodia
Possible
White-crowned Sparrow
Zonotrichia leucophrys
Confirmed
Dark-eyed Junco
Junco hyemalis
Possible
Black-headed Grosbeak
Pheucticus melanocephalus
Possible
Brown-headed Cowbird
Molothrus ater
Probable
Purple Finch
Carpodacus purpureus
Possible
Red Crossbill
Loxia curvirostra
Possible
Pine Siskin
Carduelis pinus
Possible
American Goldfinch
Carduelis tristis
Probable
House Sparrow
Passer domesticus
Confirmed
*By agreement with the Washington Department of Fish and Wildlife our maps and data tables for this species have been generalized to full township/ranges.