Includes online exhibits like Frog Tracker that lets you listen to the calls of different North American frogs and Disappearing Act, which shows how frogs use camouflage to avoid predators. The site also includes activities and articles.
http://www.exploratorium.edu/frogs
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Includes weird facts, pet information, photos and art, free software, jokes, stories, and other froggyness.
http://www.allaboutfrogs.org/
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