| Amphibian |
Salamanders |
Kern Plateau Salamander |
Batrachoseps |
robustus |
| Bird |
Waterbird |
Ross' S Goose |
Chen |
rossii |
| Reptile |
Snakes |
Red Diamond Rattlesnake |
Crotalus |
ruber |
| Bird |
Woodpeckers |
Red-Breasted Sapsucker |
Sphyrapicus |
ruber |
| Bird |
Pipits |
American Pipit |
Anthus |
rubescens |
| Bird |
Flycatchers |
Vermilion Flycatcher |
Pyrocephalus |
rubinus |
| Bird |
Finches |
Summer Tanager |
Piranga |
rubra |
| Mammal (Small) |
Mice and Rats |
Baja California Pocket Mouse |
Chaetodipus |
rudinoris |
| Mammal (Medium) |
Beaver |
Mountain Beaver |
Aplodontia |
rufa |
| Bird |
Chickadees, Titmice, and Nuthatches |
Chestnut-Backed Chickadee |
Poecile |
rufescens |
| Bird |
Warblers |
Nashville Warbler |
Leiothlypis |
ruficapilla |
| Bird |
Sparrows |
Rufous-Crowned Sparrow |
Aimophila |
ruficeps |
| Bird |
Hummingbirds |
Rufous Hummingbird |
Selasphorus |
rufus |
| Mammal (Medium) |
Felines |
Bobcat |
Lynx |
rufus |
| Bird |
Swallows |
Barn Swallow |
Hirundo |
rustica |
| Bird |
Thrushes |
American Redstart |
Setophaga |
ruticilla |
| Mammal (Small) |
Squirrels |
Northern Flying Squirrel |
Glaucomys |
sabrinus |
| Bird |
Sparrows |
Savannah Sparrow |
Passerculus |
sandwichensis |
| Bird |
Hummingbirds |
Allen's Hummingbird |
Selasphorus |
sasin |
| Bird |
Kinglets |
Golden-Crowned Kinglet |
Regulus |
satrapa |
| Bird |
Sparrows |
Grasshopper Sparrow |
Ammodramus |
savannarum |
| Bird |
Swifts |
White-Throated Swift |
Aeronautes |
saxatalis |
| Bird |
Flycatchers |
Say's Phoebe |
Sayornis |
saya |
| Bird |
Woodpeckers |
Ladder-Backed Woodpecker |
Picoides |
scalaris |
| Bird |
Waders |
Long-Billed Dowitcher |
Limnodromus |
scolopaceus |
| Reptile |
Lizards |
Mojave Fringe-Toed Lizard |
Uma |
scoparia |
| Reptile |
Turtles |
Slider |
Trachemys |
scripta |
| Mammal (Large) |
Pigs |
Wild Pig |
Sus |
scrofa |
| Reptile |
Snakes |
Mojave Rattlesnake |
Crotalus |
scutulatus |
| Reptile |
Snakes |
Western Ground Snake |
Sonora |
semiannulata |
| Bird |
Shorebirds |
Willet |
Tringa |
semipalmata |
| Bird |
Shorebirds |
Semipalmated Plover |
Charadrius |
semipalmatus |
| Mammal (Small) |
Chipmunks |
Allen's Chipmunk |
Tamias |
senex |
| Bird |
Waterbird |
Red-Breasted Merganser |
Mergus |
serrator |
| Bird |
Swallows |
Northern Rough-Winged Swallow |
Stelgidopteryx |
serripennis |
| Amphibian |
Salamanders |
Shasta Salamander |
Hydromantes |
shastae |
| Amphibian |
Frogs |
Sierran Tree Frog |
Pseudacris |
sierra |
| Amphibian |
Frogs |
Sierra Nevada Yellow-Legged Frog |
Rana |
sierrae |
| Reptile |
Lizards |
Blunt-Nosed Leopard Lizard |
Gambelia |
sila |
| Amphibian |
Salamanders |
Kern Canyon Slender Salamander |
Batrachoseps |
simatus |
| Mammal (Small) |
Mice and Rats |
Dulzura Kangaroo Rat |
Dipodomys |
simulans |
| Reptile |
Snakes |
Common Garter Snake |
Thamnophis |
sirtalis |
| Mammal (Small) |
Chipmunks |
Siskiyou Chipmunk |
Tamias |
siskiyou |
| Reptile |
Lizards |
Western Skink |
Eumeces |
skiltonianus |
| Mammal (Small) |
Chipmunks |
Sonoma Chipmunk |
Tamias |
sonomae |
| Mammal (Small) |
Shrews |
Fog Shrew |
Sorex |
sonomae |
| Reptile |
Turtles |
Sonoran Mud Turtle |
Kinosternon |
sonoriense |
| Bird |
Flycatchers |
Western Wood-Pewee |
Contopus |
sordidulus |
| Bird |
Raptors |
American Kestrel |
Falco |
sparverius |
| Mammal (Small) |
Chipmunks |
Lodgepole Chipmunk |
Tamias |
speciosus |
