Small woodland pools to great and vast wetlands usually harbor a few (or many!) at breeding time, and will be found on reeds and grasses, cattails, floating masses of dead grass, low vegetation, and even high in the trees! They sometimes come to lights, and just before a storm, you may hear one "peeping" just outside your window!
These were taken near Stroudsburg, Pennsylvania.
Hyla crucifer
Here's a video of Hyla crucifer, and here you can both see and hear it!
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