green color morph sierran tree frog camouflaging on grass.

hyla low vegetation smooth skin moist eye looking camera brown black striped stripe alone face details pseudacris chorus frogs pacific northwest fauna north american west coast widespread common joseph grant county park santa clara bay area california camouflage people one macro animals wild wildlife day habitat cute aquatic frog regilla tree background biology slimy nature natural grass green closeup animal amphibian sierra sierran treefrog