Cougar written in the dirt next to cougar paw prints

UCSC Rare Species Fact Sheets

The rich biodiversity found on the UCSC campus includes several rare species, including some that have been found nowhere else on Earth.

With a few exceptions, each of the species listed below has some kind of conservation status on a federal, state, or international level. These range from the IUCN Red List to the Federal Endangered Species Act to the California Endangered Species Act to the California Native Plant Society Rare Plant Rankings to other state, federal, or international rankings. 

Click on species names below to download pdfs created by UCSC undergraduate students during a remote-learning internship during the height of the COVID-19 pandemic (2020-2021 academic year).

AMPHIBIANS
Aneides nigerSanta Cruz black salamander
Dicamptodon ensatusCalifornia giant salamander
Rana draytoniiCalifornia red-legged frog
BIRDS
Ammodramus savannarumgrasshopper sparrow (nesting)
Aquila chrysaetosgolden eagle
Athene cuniculariaburrowing owl
Contopus cooperiolive-sided flycatcher
Elanus leucuruswhite-tailed kite
Passerculus sandwichensis alaudinusBryant’s savannah sparrow
MOSS
Dacryophyllum falcifoliumTear drop moss
FUNGI
Hygrocybe/Gliophorus flavifolia/flavifoliusGolden-gilled Waxy cap
Leptonia carnea
Porpolomopsis calyptriformisPink Waxcap
Pouzarella spp.
INVERTEBRATES
Cicindela ohloneOhlone tiger beetle
Danaus plexippus pop. 1Monarch butterfly–CA overwintering population
Fissiicreagris imperialisEmpire Cave pseudoscorpion
Meta dolloffDolloff cave spider
Stygobromus imperialisEmpire Cave amphipod
Stygobromus mackenzieiMacKenzie’s cave amphipod
Telema sp.Santa Cruz telemid spider
MAMMALS
Antrozous palliduspallid bat
Corynorhinus townsendiiTownsend’s big-eared bat
Lasiurus blossevilliiWestern red bat
Neotoma fuscipes annectansSan Francisco dusky-footed woodrat
Puma concolormountain lion
Taxidea taxusAmerican badger
FLOWERING PLANTS
Arctostaphylos andersoniiSanta Cruz manzanita
Calochortus uniflorusMonterey mariposa
Carex saliniformisdeceiving sedge
Horkelia marinensisPoint Reyes horkelia
Hosackia gracilisHarlequin lotus, Witch’s teeth
Microseris paludosamarsh microseris
Perideridia gairdneriGairdner’s yampah
Plagiobothrys diffususSan Francisco popcorn flower
Toxicoscordion fontanummarsh zigadenous
Trifolium buckwestoriumSanta Cruz clover
Trifolium polyodonPacific Grove Clover
REPTILE
Actinemys pallidaSouthwestern pond turtle
Cougar print in the dirt with a yellow tape measure showing the size of the pawprint at 4 inches

Cougar tracks along an early morning fire road

Last modified: Sep 08, 2025