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Mammals

Ecology & Evolutionary Biology graduate student, Tim Brown interprets animal tracks on the beach with a UCSC Ecology class.

Although only 72-acres in size, Younger Lagoon Reserve provides habitat for many mammal species. Some of these mammals reside at the reserve, while others pass through, finding food and temporary shelter as they make their way to other natural areas.

Younger Lagoon Reserve Mammal Species List


Family	Genius and Species	Common Name	Code

Didelphidae	Didelphis virginiana	Virginia Opossum	X
Soricidae	Sorex vagrans	Vagrant Shrew	X*
	Sorex ornatus	Ornate Shrew
	Sorex trowbridgii	Trowbridge's Shrew
Talpidae	Scapanus latimanus	Broad-footed Mole
Vespertilionidae	Myotis yumanensis	Yuna Myotis	X*
	Myotis evotis	Long-eared Myotis
	Myotis thysanodes	Fringed Myotis
	Myotis volans	Long-legged Myotis
	Myotis californicus	California Myotis
	Pipistrellus hesperus	Western Pipistrelle
	Eptesicus fuscus	Big Brown Bat
	Lasiurus cinereus	Red Bat
	Plecotus townsendii	Townsend's Big-eared Bat
	Antrozous pallidus	Pallid Bat
Molossidae	Tadarida brasiliensis	Brazilian Free-tailed Bat
	Eumops perotis	Western Mastiff Bat
Leporidae	Sylvilagus bachmani	Brush Rabbit	X
Sciuridae	Spermophilus beecheyi	California Ground Squirrel	X
Geomyidae	Thomomys bottae	Botta's Pocket Gopher	X
Cricetidae	Reithrodontomys megalotis	Western Harvest Mouse	X
	Peromyscus maniculatus	Deer Mouse	X
	Peromyscus truei	Pinyon Mouse
	Neotoma fuscipes	Dusky-footed Woodrat	X
	Microtus californicus	California Vole	X
Muridae	Rattus norvegicus	Norway Rat	X, E
	Mus musculus	House Mouse	X, E
Canidae	Canis latrans	Coyote	X
	Vulpes vulpes	Red Fox	?, E
	Urocyon cinereoargenteus	Common Gray Fox	X
Procyonidae	Procyon lotor	Common Raccoon	X
Mustelidae	Mustela frenata	Long-tailed Weasel	X
	Taxidea taxus	American Badger
	Mephitis mephitis	Striped Skunk	X
Felidae	Felis concolor	Mountain Lion	?
	Felis rufus	Bobcat	X
Suidae	Sus scrofa	Feral Pig (Wild Pig)	E
Cervidae	Odocoileus hemionus	Mule Deer	X



X = Confirmed by surveys by sighting, trapping, photo station, tracks or sign
X* = Shrew not identified to species, bats were sighted flying, no positive identification
E = Exotic species, to be kept out
? = Reported casual sighting

This species list is derived from student field studies and from species expected to occur at YLR, according to the Wildlife Habitats Relationship database of the California Department of Fish and Game. We have omitted species that, although they might possibly occur, are unlikely due to reserve size, isolation or habitat availability. We have included all the bats and omitted marine mammals. The list is organized according to taxonomic classification.