Gray Tree Frog

 

 
 1.25-2.5 long, with rough skin, greenish to brownish to gray, with several large blotches on back.  Dark-edged light spot beneath eye, orange-yellow in folds of rear legs, and large toe pads.  Voice: a heavy, resonating trill, heard in spring and early summer.  Found in trees and shrubs growing in or near permanent water.  Breeds April to August.  Nocturnal; lives high in trees and descends only at night, usually for breeding.