Conservation Summary

• Globally

  Vulnerable (VU) (Source: IUCN Red List)

  Imperiled (G2) (Source: NatureServe)

  Imperiled. Significant declines in distribution and abundance have occurred in much of the range (southwestern British Columbia to northeastern California); major threats include introduced predators, habitat loss/degradation, inadequate habitat size, and possibly disease and climate change.

• Canada

  Critically imperiled (N1) (Source: NatureServe)

  • British Columbia, CA

    Critically imperiled (S1) (Source: NatureServe)

• United States

  Imperiled (N2) (Source: NatureServe)

  • California, US

    Critically imperiled (S1) (Source: NatureServe)

  • Oregon, US

    Imperiled (S2) (Source: NatureServe)

  • Washington, US

    Critically imperiled (S1) (Source: NatureServe)