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October 2014
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Current Weather: Fog/Mist, 59.0°F

ENDEMIC SPECIES
 
Catalina Island has at least 61 endemic species and subspecies, including eight plants, five mammals, three birds, and 45 invertebrates. There are also several undescribed species that may end up qualifying as endemic. A list of the endemic species is below:

MAMMALS
Catalina California ground squirrel (Otospermophilus beecheyi nesioticus)
Santa Catalina Island fox (Urocyon littoralis catalinae)
Santa Catalina Island deer mouse (Peromyscus maniculatus catalinae)
Santa Catalina Island harvest mouse (Reithrodontomys megalotis catalinae)
Santa Catalina Island shrew (Sorex ornatus willetti)

BIRDS
Bewick’s wren (Thryomanes bewickii catalinae)
Catalina California quail (Callipepla californica catalinensis)
Catalina Hutton’s vireo (Vireo huttoni unitti)

INVERTEBRATES
Avalon hairstreak butterfly (Strymon avalona)
Scarab beetle (Coenonycha clypeata)
Scarab beetle (Coenonycha fulva)
Scarab beetle (Phobetus ciliatus)
Scarab beetle (Serica catalina)
Catalina Walkingstick (Pseudosermyle catalina)
Catalina shield-back cricket (Neduba propsti)
Catalina orangetip butterfly (Anthocharis cethura catalina)
Dasytastes insularis
Dasytastes catalinae
Jerusalem cricket (Stenopelmatus n. spp.)
Horsehair worm
Solenopsis texana catalinae
Silk-spinning cricket (Cnemotettix miniatus)
Catalina cicada (
Okanagana hirsuta)
Strigota seclusa
Darkling beetle (Metoponium insulare)
Darkling beetle (
Eleodes omissa catalinae)
Oligomerodes catalinae
Fuzzy weevil (Trigonoscuta catalina)
Euvrietta catalinae
Soldier beetle (Cantharis hatchi dorothyae)
Painted tiger moth (
Arachnis picta meadowsi)
Scavenger moth (
Holocera phenacocci)
Tortricid moth (
Eucosma avalona)
Cambrid snout moth (
Evergestis angustalis catalinae)
Blotched leaf miner (
Amauromyza insularis)
Evylaeus avalonensis
Anthophora urbana catalinae
Cuckoo bee (Nomada avalonica)
Catalina long-horned bee (
Exomalopsis cockerelli)
Catalina long-horned bee (
Melissodes scottii)
Monkey grasshopper (
Morsea californica catalinae)
Snout beetle (
Stenoptochus inconstans)
Catalina crab spider (
Misumenops importunes belkini)
Catalina millipede (
Bollmaniulus catalinae)
Small millipede
Catalina centipede (
Pectiniunguis catalinensis)
Catalina centipede (
Pectiniunguis heathi catalinae)
Catalina mountain snail (
Radiocentrun avalonense)
Avalon land snail (
Micrarionta beatula)
Catalina Island snail (
Micrarionta rufocincta)
Catalina snail (
Micrarionta catalinae)
Catalina cactus snail (
Xerarionta kellettii)
Catalina lancetooth snail (
Haplotrema catalinense)

FLORA

Catalina manzanita (Arctostaphylos catalinae)
Catalina mountain mahogany (Cercocarpus traskiae)
Catalina liveforever (Dudleya virens subsp. hassei)
St. Catherine’s lace (Eriogonum giganteum var. giganteum)
Santa Catalina bedstraw (Galium catalinense catalinense)
Santa Catalina ironwood (Lyonothamnus floribundus floribundus)
Santa Catalina Island bush-mallow (Malacothamnus fasciculatus var. catalinensis)
Trask’s yerba santa (Eriodictyon traskiae var. traskiae)

Trask’s monkeyflower (Mimulus traskiae) was another plant restricted to Catalina Island, however it is presumed extinct.

Santa Catalina Island deer mouse. Photo by T. Dvorak.


Catalina Hutton's Vireo. Photo by T. Dvorak.



Catalina Island ironwood grove. Photo L. Danner.



 

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