Five-Year Reviews of Rare, Threatened, and Endangered Species

Giant Garter Snake

State and Federally Threatened Giant Garter Snake (Thamnophis gigas)

large-flowered fiddleneck plant

State and Federally Endangered Large-Flowered Fiddleneck (Amsinckia grandiflora)

California tiger salamander adult

State and Federally Threatened California Tiger Salamander (Ambystoma californiense)

Tricolored black bird

State Threatened Tricolored Blackbird (Agelaius tricolor)

Swainson's Hawk

State Threatened Swainson's Hawk (Buteo swainsoni)

Blennosperma nanum

State Rare Point Reyes Blennosperma (Blennosperma nanum var. robustum)

In 2018, funds were appropriated by the Legislature for CDFW to conduct five-year reviews for species listed as endangered or threatened under the California Endangered Species Act (CESA) (Fish and G. Code § 2077, subd. (a)). The goal of each review is to determine if the conditions that led to the original listing of the species are still present.

Using the best scientific information available to CDFW, each five-year review will include information on the following components pursuant to section 2072.3 and section 2077, subdivision (a), of the Fish and Game Code and section 670.1, subdivision (d), of Title 14 of the California Code of Regulations: species’ population trend(s), range, distribution (including a detailed distribution map), abundance, life history, factors affecting the species’ ability to survive and reproduce, the degree and immediacy of threats, the impact of existing management efforts, the availability and sources of information, identified habitat essential for the continued existence of the species, and CDFW’s recommendations for future management activities and other recovery measures to conserve, protect, and enhance the species.

After completion, each of the five-year reviews prepared by CDFW will be submitted to the California Fish and Game Commission(opens in new tab), and made available to the public. If the five-year review contains a recommendation to add or remove a species from the list of endangered species or the list of threatened species, the Fish and Game Commission will consider the five-year review as a petition with a CDFW recommendation to accept and consider the petition (Fish and G. Code § 2077, subd. (e)).

Table of Upcoming and Recently Completed Five-Year Reviews of Threatened (T) and Endangered (E) Species

CDFW is planning five-year reviews beginning with these 16 species. As five-year reviews are completed the common names in this table will be updated with links.

Common Name Scientific Name E/T
Plants Baker's larkspur (PDF)(opens in new tab) Delphinium bakeri E
Fishes Central Valley spring-run Chinook salmon Oncorhynchus tshawytscha T
Plants Clara Hunt's milkvetch (PDF)(opens in new tab) Astragalus claranus T
Fishes Desert pupfish (PDF)(opens in new tab) Cyprinodon macularius E
Mammals Fresno kangaroo rat Dipodomys nitratoides exilis E
Plants Kenwood Marsh checkerbloom (PDF)(opens in new tab) Sidalcea oregana ssp. valida E
Plants Milo Baker's lupine (PDF)(opens in new tab) Lupinus milo-bakeri T
Plants  Monterey clover (PDF)  Trifolium trichocalyx  E
Fishes Owens pupfish (PDF)(opens in new tab) Cyprinodon radiosus E
Fishes Owens tui chub (PDF)(opens in new tab) Siphatales bicolor snyderi E
Mammals Riparian brush rabbit (PDF)(opens in new tab) Sylvilagus bachmani riparius E
Amphibians Santa Cruz long-toed salamander Ambystoma macrodactylum croceum E
Invertebrates Shasta crayfish Pacifastacus fortis E
Mammals Sierra Nevada bighorn sheep (listed as California bighorn sheep)(PDF)(opens in new tab) Ovis canadensis sierrae E
Plants Slender-petaled thelypodium Thelypodium stenopetalum E
Plants Ventura Marsh milkvetch Astragalus pycnostachyus var. lanosissimus E
Plants White sedge Carex albida E

The list of species to be reviewed will be updated by the Department as changes arise. An updated list will be sent annually to all who have requested to receive notices on CESA-related information through the Fish and Game Commission’s electronic mailing list(opens in new tab). To submit information to CDFW on any of the above species, contact program staff as follows: