Most Common Species
Showing 20 most frequently observed species out of 78 total documented species.
Anas platyrhynchos
Mallard
Very Common22.98 obs.
Bombus vosnesenskii
Vosnesensky Bumble Bee
Very Common20.17 obs.
Geranium lucidum
Shining Geranium
Very Common19.86 obs.
Apis mellifera
Honeybee
Very Common18.88 obs.
Toxicodendron diversilobum
Pacific Poison Oak
Very Common18.81 obs.
Melospiza melodia
Song Sparrow
Common16.02 obs.
Aphelocoma californica
Western Scrub Jay
Common15.48 obs.
Sciurus carolinensis
Gray Squirrel
Common14.39 obs.
Bombus fervidus
Yellow Bumblebee
Common14 obs.
Anas crecca
Teal
Common14 obs.
Spinus tristis
American Goldfinch
Common13 obs.
Junco hyemalis
Dark-Eyed Junco
Occasional12.68 obs.
Prunus laurocerasus
Cherry Laurel
Occasional12.58 obs.
Tellima grandiflora
Fringecups
Occasional12.47 obs.
Dipsacus fullonum
Fuller'S Teasel
Occasional12.13 obs.
Populus trichocarpa
Black Cottonwood
Occasional12.04 obs.
Rubus bifrons
Occasional11.94 obs.
Spinus pinus
Pine Siskin
Rare11.89 obs.
Haemorhous mexicanus
House Finch
Rare11.79 obs.
Rubus ursinus
Douglas-Berry
Rare11.56 obs.
Want the Complete Field Guide?
Get all 78 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.