Animal Species at Risk - Full List

Abbreviations Used in this List
Fully Protected Species designated under the California Fish and Game Code
SE, ST =
State Endangered, State Threatened
FE, FT =
Federal Endangered, Federal Threatened
California Species of Special Concern
Federal Species of Special Concern
A locally common species, but colonies are sensitive to disturbance
Species is relatively common in adjacent bioregions
   Salt marsh wandering shrew Sorex vagrans halicoetes FSC, CSC
   Monterey vagrant shrew Sorex vagrans paludivagus   
   Pallid bat Antrozous pallidus CSC
   Townsend's western big-eared bat Corynorhinus townsendii t. FSC, CSC
   Western red bat Lasiurus blossevillii   
   Fringed myotis Myotis thysanodes FSC
   Long-legged myotis Myotis volans FSC
   Santa Cruz kangaroo rat Dipodomys venustus venustus   
   *San Francisco dusky-footed woodrat Neotoma fuscipes annectens FSC, CSC
   Salt-marsh harvest mouse Reithrodontomys raviventris SE, FE, FPS
   Mountain lion Puma concolor CSC
   Western pond turtle Emys (=Clemmys) marmorata CSC
   **Common side-blotched lizard Uta stansburiana  
   Coast horned lizard Phrynosoma coronatum frontale FSC, CSC
   California whiptail lizard Cnemidophorus tigris mundus
   Black legless lizard Aniella pulchra nigra CSC
   **California whipsnake (Striped racer) Masticophis lateralis lateralis   
   San Francisco garter snake Thamnophis sirtalis tetretaenia SE, FE
   California blackheaded snake Tantilla planiceps  
   **Night snake Hypsiglena torquata  
   California tiger salamander Ambystoma californiense CSC, proposed FT
   Santa Cruz long-toed salamander Ambystoma macrodactylum croceum SE,FE
   California red-legged frog Rana aurora draytonii FT, CSC
   Foothill yellow-legged frog Rana boylii FSC, CSC
   Pacific lamprey Lampetra tridentata FSC
   Coho salmon Central Calif. Coast ESU Oncorhynchus kisutch SE, FT
   **Chinook salmon Oncorhynchus tshawytscha FE, SE
   Steelhead Central Calif. Coast ESU Oncorhynchus mykiss FT
   Speckled dace Rhinichthys osculus   
   Sacramento perch Archoplites interruptus FSC, CSC, possibly extirpated
   **Tule perch Hysterocarpus traski
   Tidewater goby Eucyclogobius newberryi FE
Note: only species that breed in the Bioregion are included in this list and those whose occurrence has always been restricted to the extreme perimeter of their breeding range are not listed.
   American bittern Botaurus lentiginosus rookeries are FSC
   Great egret Ardea alba   
   Snowy egret Egretta thula rookeries are FSC
   Black-crowned night heron Nycticorax nycticorax   
   Northern harrier Circus cyaneus   
   Golden eagle Aquila chrysaetos FPS
   California clapper rail Rallus longirostris obsoletus SE, FE (at high risk)
   Virginia rail Rallus limicola  
   Sora Porzana carolina  
   Western snowy plover Charadrius alexandrinus nivosus coastal pop. FT (at high risk)
   Spotted sandpiper Actitis macularia suitable habitat is naturally limited
   Caspian tern Sterna caspia possibly extirpated
   Common murre Uria aalge suitable habitat is limited (at high risk)
   Marbled murrelet Brachyramphus marmoratus SE, FT (at high risk)
   Burrowing owl Athene cunicularia FSC, CSC (at high risk)
   Olive-sided flycatcher Contopus cooperi FSC
   Black swift Cypseloides niger FSC, CSC (possibly extirpated)
   Vaux's swift Chaetura vauxi FSC, CSC
   Loggerhead shrike Lanius ludovicianus FSC, CSC (at high risk)
   Horned lark Eremophila alpestris (at high risk)
   Bank swallow Riparia riparia ST, FSC (at high risk)
   Purple martin Progne subis CSC (at high risk)
   Western bluebird Sialia mexicana  
   Yellow warbler Dendroica petechia CSC
   Yellow-breasted chat Icteria virens CSC (at high risk)
   Lark sparrow Chondestes grammacus FSC
   Tricolored blackbird Agelaius tricolor FSC, CSC (at high risk)
New Breeders in Bioregion Limited Numbers, Future Status Uncertain
   Osprey Pandion haliaetus re-initiation of breeding after long lapse
   Peregrine falcon Falco peregrinus re-initiation of breeding after long lapse
   Cassin's auklet Ptychoramphus aleuticus suitable habitat is naturally limited
   Rhinoceros auklet Cerorhinca monocerata  
   Red-breasted sapsucker Sphyrapicus ruber FSC
   Varied thrush Ixoreus naevius  
Insects and Other Invertebrates
   California floater mussel Anodonta californiensis  
   California brackishwater snail Tryonia imitator  
   Edgewood blind harvestman Calicina (=Sitalcina) minor FSC
   Edgewood Park micro-blind harvestman Microcina edgewoodensis FSC
   Hom's micro-blind harvestman Microcina homi FSC
   Jung's micro-blind harvestman Microcina jungi FSC
   California linderiella shrimp Linderiella occidentalis FSC
   California freshwater (Tomales) isopod Caecidotea tomalensis  
   Ground cricket Neonemobius eurynotus  
   Zayante banded wing grasshopper Trimerotropis infantilis FE (local, Ben Lomond Sandhills)
   Ohlone tiger beetle Cicindela ohlone FE
   Globose dune beetle Coelus globosus FSC
   Ricksecker's water scavenger beetle Hydrochara rickseckeri  
   Leech's Skyline diving beetle Hydroporus leechi FSC
   Mt. Hermon june beetle Polyphylla barbata FE (local, Ben Lomond Sandhills)
   San Francisco forktail damselfly Ischnura gemina  
   Opler's longhorn moth Adela oplerella FSC
   Smith's blue butterfly Euphilotes enoptes smithii FE
   Bay checkerspot butterfly Euphydryas editha bayensis FT
   San Bruno elfin butterfly Incisalia mossii bayensis FE
   Mission blue butterfly Plebejus icarioides missionensis FE
   Unsilvered fritillary butterfly Speyeria adiaste adiaste  
   Callippe silverspot butterfly Speyeria callippe callippe  
   Antioch sphecid wasp Philanthus nasalis local, Ben Lomond Sandhills
Special Species Aggregations
   Monarch butterfly aggregations
   Heronries (Great blue, Black-crowned night heron, other)
   Seabird colonies (alcids)
  Double-crested cormorant roosts
  Bat roosts or maternity colonies
Poorly Known Species
Not enough is known about the presence or absence of these species in the Bioregion or their population size and trend to determine if they warrant addition to this list.
   Western pipistrelle Pipistrellus hesperus occur in Bioregion?
   Hoary bat Lasiurus cinereus
   Silver-haired bat Lasionycteris noctivagans
   Long-eared myotis Myotis evotis FSC
   Little brown myotis Myotis lucifugus
   Western small-footed myotis Myotis ciliolabrum FSC
   Western mastiff bat Eumops perotis FSC, CSC
   Ringtail Bassariscus astutus FPS
   San Joaquin coachwhip snake Masticophis flagellum ruddocki
   California mountain kingsnake Lampropeltis zonata  
   Black salamander Aneides flavipunctatus  
   Spotted owl Strix occidentalis breeding not confirmed, subspp. unknown
   Long-eared owl Asio otus  
   Empire Cave pseudoscorpion Fissilicreagris (=Microcreagris) imperialis
   Dolloff cave spider Meta dolloff  
   San Francisco lacewing Nothochrysa californica FSC
   Bumblebee scarab beetle Licnanthe ursina FSC (extinct?)
   Coastal dune deerfly Brennania hera  
   Sandhills robberfly Stenopogon sp. nov.
   Sandhills flesh-flies Senotaenia sp. nov. and Metopia sp. nov.
   Santa Cruz rain beetle Pleocoma conjugens conjugens locally rare?
   Sandhills melittid bee Hesperapis sp. nov.
Local Taxonomic Experts Consulted in the Preparation of this List
The Bioregional Council would like to thank the following local experts who contributed information that allowed us to prepare this list:
   Mammals: Mr. Mark Allaback, Mr. Paul Heady, Mr. Chris Lay, and Dr. William Liddicker
   Reptiles, Amphibians, and Fish:

Dr. Allan Launer, Mr. Rich Seymour, Dr. Jerry Smith, Dr. Robert Stebbins, and Mr. Mike Westphal

   Birds: Mr. Bill Bousman, Mr. Peter Metropulos, Mr. Randy Morgan, and Mr. David Suddjian
   Insects and Other Invertebrates: Dr. Richard Arnold, Dr. Allan Launer, Mr. Randy Morgan