Squirrel Treefrog Hyla squirella

To vocalize during breeding season, male treefrogs inflate a balloon-like vocal sac under the throat. The decibel level at close range can be truly impressive!

This one was caught in the midst of blinking his eyes.

Males clasp the females and fertilize the eggs as they are released.

When not vocalizing and puffed full of air, their bodies can be quite slender.

This individual and the three below were youngsters that were less than an inch long and haven't yet developed all their distinctive markings.