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Endangered Species in California: Federal & State Lists (2021)

As of 2021, California lists a significant number of species under threat:

  • Federally Endangered (ESA): 52 species (animals & plants).
  • State Endangered (CESA): 125 species (includes federal listings + state-only).

Notable Examples

Drivers

Habitat loss (urbanization, agriculture), water management (dams, diversions), invasive species, climate change (wildfire, drought), pollution.

California has the most endangered species of any state due to its exceptional biodiversity (California Floristic Province = global hotspot) and intense human pressure.

Source: USFWS ECOS, CDFW CESA lists.

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    SpeciesStatusKey Threat
    California CondorFederal & State EndangeredLead poisoning, habitat loss
    Delta SmeltFederal Threatened / State EndangeredWater diversions, invasive species
    Southern Sea OtterFederal ThreatenedOil spills, disease, shark bites
    San Joaquin Kit FoxFederal Endangered / State ThreatenedHabitat conversion to agriculture
    California Red-Legged FrogFederal ThreatenedInvasive bullfrogs, habitat loss
    Tiburon Mariposa LilyFederal & State ThreatenedDevelopment, grazing