Guide to selected species of:
Marin County
view as: Field List
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 Townsend's Big-eared Bat Corynorhinus townsendii (Plecotus townsendii) Has huge ears and a pair of glandular lumps on either side of the nose. The...
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 Trowbridge's Shrew Sorex trowbridgii Small shrew with nearly uniform, dark fur, whitish feet, and bicolored tail. This is the only...
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 Vagrant Shrew Sorex vagrans Has small, pigmented medial tines on upper incisors that are usually separated from the pigmented tips...
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 Cody Pope/CCSA Virginia Opossum Didelphis virginiana Unique with white head and long, scaly, prehensile tail. A medium-sized, rather ponderous-looking mammal with a...
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 Western Harvest Mouse Reithrodontomys megalotis Small mouse with a relatively long, bicolored tail. Fur is bristly and relatively short. Feet are...
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 Western Mastiff Bat Eumops perotis The largest bat in North America is darker than Underwood's Bonneted Bat, and lacks long guard...
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 Western Spotted Skunk Spilogale gracilis A small spotted skunk with large white spots on the face, back, and tail. Faster, more...
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 Yuma Myotis Myotis yumanensis Medium-sized Myotis with short ears (extend less than 2mm beyond nose when bent forward), and an...
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