The following list is an adaptation of data published at the The US Fish & Wildlife Service's Endangered Species Program Website. For the most current data, please refer to US Fish & Wildlife Service database (TESS).
Rabbit, riparian brush (Sylvilagus bachmani riparius)
Rail, California clapper (Rallus longirostris obsoletus)
Rail, light-footed clapper U.S.A. only (Rallus longirostris levipes)
Rail, Yuma clapper U.S.A. only (Rallus longirostris yumanensis)
Salamander, California tiger U.S.A. (CA - Santa Barbara County) (Ambystoma californiense)
Salamander, California tiger U.S.A. (CA - Sonoma County) (Ambystoma californiense)
Salamander, California tiger U.S.A. (Central CA DPS) (Ambystoma californiense)
Salamander, desert slender (Batrachoseps aridus)
Salamander, Santa Cruz long-toed (Ambystoma macrodactylum croceum)
Salmon, chinook CA Central Valley spring-run (Oncorhynchus (=Salmo) tshawytscha)
Salmon, chinook CA coastal (Oncorhynchus (=Salmo) tshawytscha)
Salmon, chinook winter Sacramento R. (Oncorhynchus (=Salmo) tshawytscha)
Salmon, coho OR, CA pop. (Oncorhynchus (=Salmo) kisutch)
Salmon, coho central CA coast (Oncorhynchus (=Salmo) kisutch)
Sea turtle, green except where endangered (Chelonia mydas)
Sea turtle, leatherback (Dermochelys coriacea)
Sea turtle, loggerhead (Caretta caretta)
Sea turtle, olive ridley except where endangered (Lepidochelys olivacea)
Sea-lion, Steller eastern pop. (Eumetopias jubatus)
Sea-lion, Steller western pop. (Eumetopias jubatus)
Seal, Guadalupe fur (Arctocephalus townsendi)
Sheep, bighorn Peninsular CA pop. (Ovis canadensis)
Sheep, Sierra Nevada bighorn Sierra Nevada DPS (Ovis canadensis californiana)
Shrew, Buena Vista Lake ornate (Sorex ornatus relictus)
Shrike, San Clemente loggerhead (Lanius ludovicianus mearnsi)
Shrimp, California freshwater (Syncaris pacifica)
Skipper, Carson wandering (Pseudocopaeodes eunus obscurus)
Skipper, Laguna Mountains (Pyrgus ruralis lagunae)
Smelt, delta (Hypomesus transpacificus)
Snail, Morro shoulderband (=Banded dune) (Helminthoglypta walkeriana)
Snake, giant garter (Thamnophis gigas)
Snake, San Francisco garter (Thamnophis sirtalis tetrataenia)
Sparrow, San Clemente sage (Amphispiza belli clementeae)
Steelhead Central Valley CA (Oncorhynchus (=Salmo) mykiss)
Steelhead central CA coast (Oncorhynchus (=Salmo) mykiss)
Steelhead northern CA (Oncorhynchus (=Salmo) mykiss)
Steelhead south central CA coast (Oncorhynchus (=Salmo) mykiss)
Steelhead southern CA coast (Oncorhynchus (=Salmo) mykiss)
Stickleback, unarmored threespine (Gasterosteus aculeatus williamsoni)
Sturgeon, North American green U.S.A. (CA) Southern Distinct Population Segment (Acipenser medirostris)
Sucker, Lost River (Deltistes luxatus)
Sucker, Modoc (Catostomus microps)
Sucker, razorback entire (Xyrauchen texanus)
Sucker, Santa Ana 3 CA river basins (Catostomus santaanae)
Sucker, shortnose (Chasmistes brevirostris)
Tadpole shrimp, vernal pool (Lepidurus packardi)
Tern, California least (Sterna antillarum browni)
Tiger beetle, Ohlone (Cicindela ohlone)
Toad, arroyo (=arroyo southwestern) (Bufo californicus (=microscaphus))
Tortoise, desert (Gopherus agassizii)
Towhee, Inyo California (Pipilo crissalis eremophilus)
Trout, bull (Salvelinus confluentus)
Trout, Lahontan cutthroat (Oncorhynchus clarki henshawi)
Trout, Little Kern golden (Oncorhynchus aguabonita whitei)
Trout, Paiute cutthroat (Oncorhynchus clarki seleniris)
Vireo, least Bell's (Vireo bellii pusillus)
Vole, Amargosa (Microtus californicus scirpensis)
Whale, blue (Balaenoptera musculus)
Whale, finback (Balaenoptera physalus)
Whale, humpback (Megaptera novaeangliae)
Whale, killer (Orcinus orca)
Whale, Sei (Balaenoptera borealis)
Whale, sperm (Physeter catodon (=macrocephalus))
Whipsnake (=striped racer), Alameda (Masticophis lateralis euryxanthus)
Wolf, gray (Canis lupus)
Woodrat, riparian (=San Joaquin Valley) (Neotoma fuscipes riparia)
Source
US Fish & Wildlife Service. 'Threatened and Endangered Species (California)' (On-line), The Endangered Species Program. Accessed April 29, 2008.
