Garter (Thamnophis sirtalis infernalis), pictured below,is one of four species of garters found in the park. sided Garter Snake basks on a warm rock.]
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Mountain lions (cougars) roam throughout Redwood National and State Parks. Although they have been spotted in picnic areas and along trails and roads, your chance of seeing one of these secretive animals is rare.
As its nickname suggests, giant or coastal redwoods thrive in the moist, humid climate of the Northern California coast, where marine fog delivers precise conditions necessary for its growth. The fog adds moisture to the soil and helps trap it there by lowering the rate of evaporation.
Chipmunks and tree squirrels also may be seen in park's forests and oak woodlands. These small rodents and large ungulates are the most commonly observed terrestrial mammals within Redwood National and State Parks.