Green Tree Frog

 

 
1.25-2.5 long, bright green, yellow, or greenish-gray with a sharply-defined light stripe along the upper jaw and side of body.  Large toe pads.  Voice: Cowbell like at a distance; nearby, it is a quank, quank; males call while holding onto vertical stems in or near water.  Live in vegetation near permanent water.  Breeds April to September.