I heard this frog in the pond behind the parking lot of the Sterling Heights Nature Center. I only heard one frog.
Hear it calling. Sounds like a thumb running down a comb
Heard chorus frogs!! It was a small wet area on the Merrimac Preserve Prairie and the frogs were singing! A welcome sound of spring!
Video just for audio ID: http://www.youtube.com/watch?v=rX3iG8eQCoY&feature=youtu.be
Verbal pool at Holden Arboretum on Pierson Loop Trail
I've always called these guys Western Chorus Frogs; I think that is the subspecies name.