Add Yahoo as a preferred source to see more of our stories on Google. Frog on a tomato. In North America, there are about 101 species of frogs and toads, including tree frogs, leopard frogs, bullfrogs ...
Friends of the Rouge want to recruit volunteers to ID the sounds of eight frog and toad species to monitor the health of the area's wetlands.
You don't have to touch the frogs and toads; just listen for their distinctive croaks and chirps. And Friends of the Rouge will teach you how.
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