Most Common Species
Showing 20 most frequently observed species out of 100 total documented species.
Anas platyrhynchos
mallard
Very Common268 obs.
Branta canadensis
Canada goose
Very Common259 obs.
Aphelocoma californica
California/Woodhouse's Scrub-Jay
Very Common210 obs.
Sayornis nigricans
black phoebe
Very Common209 obs.
Sciurus niger
Cat Squirrel
Very Common177 obs.
Buteo lineatus
Red-Shouldered/Broad-Winged Hawk
Common176 obs.
Melanerpes formicivorus
Acorn Woodpecker
Common167 obs.
Mergus merganser
goosander
Common166 obs.
Bucephala clangula
common goldeneye
Common165 obs.
Sceloporus occidentalis
Pacific blue-bellied lizard
Common158 obs.
Quercus lobata
Valley Oak
Common153 obs.
Ardea alba
Great Egret
Occasional152 obs.
Setophaga coronata
Myrtle Warbler
Occasional148 obs.
Pipilo maculatus
Spotted Towhee (Maculatus Group)
Occasional144 obs.
Ardea herodias
Great Blue Heron
Occasional139 obs.
Cathartes aura
Turkey Vulture
Occasional136 obs.
Calypte anna
Anna's Hummingbird
Occasional133 obs.
Artemisia douglasiana
Douglas' wormwood
Rare132 obs.
Aix sponsa
wood duck
Rare129 obs.
Andricus quercuscalifornicus
Rare126 obs.
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