Students hard at work on the "Mangrove Challenge"! (Sierpe River, SW Costa Rica)
I thought you'd enjoy this picture. It make me crack up. I only have four good sources so far, but I'm working on it. I want to teach the class how frogs are very sensitive to the slightest pollution because of their dependency on damp wetland areas. These areas are often subjected to run-off from farms or cities. It is important to pay attention to these hoppy creatures because they can warn us about the damage we are doing to our special wetland ecosystems. Frogs are like the canaries of the wetlands. Anyways, I'm sorry about my lack of professionality. I'll get on top of things.
Gannon, Robert. "Frogs in peril." Popular Science, V.251 issue 6, 1997, p.84.
Martin, G. "Froggy bottom." Discover, v. 11 issue 5, 1990, p. 36.
Here today, Gone Tomorrow? Natural History, v. 103 issue 10, 1994, p. 37.
Takes from the froglog. Science News. v. 137, issue 10, 1990, p. 158.
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