Most Common Species
Showing 20 most frequently observed species out of 51 total documented species.
Junco hyemalis
dark-eyed junco
Very Common4 obs.
Pontia protodice
Checkered White
Very Common2 obs.
Rhionaeschna multicolor
Blue-eyed Darner
Very Common2 obs.
Pooecetes gramineus
Vesper Sparrow
Very Common2 obs.
Calypte anna
Anna's Hummingbird
Very Common1 obs.
Sympetrum illotum
Cardinal Meadowhawk
Common1 obs.
Brachymesia furcata
Red-taled Pennant
Common1 obs.
Streptopelia decaocto
collared dove, eurasian collared dove
Common1 obs.
Anaxyrus boreas
Western Toad
Common1 obs.
Lynx rufus
Lince Americano
Common1 obs.
Spizella pallida
Clay-Coloured Sparrow
Common1 obs.
Charadrius vociferus
Killdeer
Occasional1 obs.
Empidonax hammondii
Hammond'S/Dusky Flycatcher
Occasional1 obs.
Myadestes townsendi
Townsend's Solitaire
Occasional1 obs.
Spizella breweri
Brewer's Sparrow
Occasional1 obs.
Chondestes grammacus
Lark Sparrow
Occasional1 obs.
Antheraea polyphemus
Polyphemus Moth
Occasional1 obs.
Melospiza lincolnii
Lincoln Sparrow
Rare1 obs.
Hesperotettix viridis
Meadow Purple-Striped Grasshopper
Rare1 obs.
Prionus californicus
Rare1 obs.
Want the Complete Field Guide?
Get all 51 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.