Here is a list of some of the many species we know share living space with Great Gray Owls in some portions of the owl’s range across California, Oregon and Washington State:
[* indicates evidence that this species can be prey for a Great Gray Owl]
BIRDS:
Canada Goose Branta canadensis
Common Merganser Mergus merganser
California Quail
Mountain Quail*
Ruffed Grouse
Sooty Grouse
Dusky Grouse
Bald Eagle Haliaectus leucocephalus
Spotted Sandpiper Actitis macularius
Wilson’s Snipe Gallinago delicata
Spotted Owl Strix occidentalis
Boreal Owl Aegolius funereus
Northern Pygmy-Owl Glaudicium gnoma
North Saw-Whet Owl Aegolius acadius
Vaux’s Swift Chaetura vauxi
Lewis’s Woodpecker Melanerpes lewis
Williamson’s Sapsucker Sphyrapicus thyroideus
Red-naped Sapsucker Sphyrapicus nuchalis
White-headed Woodpecker Picoides albolarvatus
Hairy Woodpecker Picoides villosus
Black-backed Woodpecker Picoides arcticus
American Three-toed Woodpecker Picoides dorsalis
Northern Flicker Coalptes auratus
Pileated Woodpecker Dryocopus pileatus
Olive-sided Flycatcher Contopus cooperi
Western Wood-Pewee Contopus sordidulus
Willow Flycatcher Empidonax traillii
Dusky Flycatcher Empidona oberholseri
Cassin’s Vireo Vireo cassinii
Clark’s Nutcracker Nucrifraga columbiana
Gray Jay Perisoreus canadensis
Steller’s Jay Cyanocitta stelleri
Western Scrub-Jay Aphelocoma californica
Common Raven Corvus corax
Tree Swallow Tachycibeta bicolor
Black-capped Chickadee Poecile atricapillus
Mountain Chickadee Poecile gambeli
Red-breasted Nuthatch Sitta canadensis
White-breasted Nuthatch Sitta carolinesis
Pygmy Nuthatch Sitta pygmaea
House Wren Troglodytes aedon
Pacific Wren Troglodytes pacificus
Bewick’s Wren Trhyomanes bewickii
Golden-crowned Kinglet Regulus satrapa
Ruby-crowned Kinglet Regulus calendula
Western Bluebird Sialia mexicanus
Mountain Bluebird Sialia curruccoides
Townsend’s Solitaire Myadestes townsendi
Hermit Thrush Catharus guttatus
American Robin Turdus migratorius
Nashville Warbler Oreothlypis ruficapilla
Orange-crowned Warbler Oreothlypis celata
Yellow-rumped Warbler Setophaga coronata
Hermit Warbler Setophaga occidentalis
Townsend’s Warbler Setophaga townsendii
MacGillivray’s Warbler Geothlypis tomiei
Green-tailed Towhee Pipilo chlorurus
Chipping Sparrow Spizella passerina
Lincoln’s Sparrow Melospiza lincolnii
Song Sparrow Melospiza melodia
Fox Sparrow Passerella iliaca
Dark-eyed Junco* Junco hyemalis
Western Tanager Piranga ludoviciana
Cassin’s Finch Carpodacus cassinii
Red Crossbill Loxia curvirostra
Pine Siskin Spinus pinus
Evening Grosbeak Coccothraustes vespertinus
MAMMALS:
mountain lion
bobcat
fisher
marten
short-tailed weasel
raccoon
black bear
common gray fox
elk
mule deer
North American porcupine
Botta’s pocket gopher* Thomomys bottae
northern pocket gopher
western pocket gopher
Townsend’s chipmunk* Tamias townsendii
yellow pine chipmunk*
western pocket gopher* Thomomys mazama
creeping vole* Microtus oregoni
dusky-footed wood rat* Neotoma fuscipes
Norway rat* Rattus norvegicus
coast mole* Scapanus orarius
shrew-mole* Neurotrichus gibbsii
vagrant shrew* Sorex vagrans
Trowbridge’s shrew* Sorex trowbridgii
fog shrew* Sorex sonomae
Douglas’ squirrel* Tamiasciurus douglasii
red squirrel*
northern flying squirrel* Glaucomys sabrinus
western red-backed vole* Clethrionomys californicus
montane vole* Microtus montanus
long-tailed vole Microtus longicaudus
Richardson’s vole
red-backed vole*
heather vole*
deer mouse* Peromyscus maniculatus
golden-mantled ground squirrel*
*Known prey animal within the Pacific Slope states
ecowise 