An adult male Hyla cinerea (American green treefrog) with yellow spots that was recently calling at the University of Mississippi Field Station.
Date 8 June 2015, 20:54:00
Author Fredlyfish4 https://commons.wikimedia.org/wiki/User:Fredlyfish4
Source: https://commons.wikimedia.org/wiki/File:Hyla_cinerea_yellow_spots.jpg

The American green tree frog or green treefrog (Hyla cinerea) is a common species of New World tree frog belonging to the genus Hyla. A common backyard species, it is popular as a pet, and is the state amphibian of Georgia and Louisiana.