close up on the rare, endagered shasta salamander, hydromantes shastae endemic to north california

amphibia amphibian caliornian chordata caudata color ecology endangered hydromantes shastae hhlensalamander location mount shasta nature north american pacific plethodontidae salamander status us usa westcoast animal biology brown closeup conservation endemic green moss herpetology lungless macro newt outdoors predator protected rare single tailed vertebrate wild wildlife california