National Health Museum
Access Excellence: Mystery Spot: Croak
Access Excellence provides this fictional interactive story that explores the possible reasons for a disappearing species of frogs. Follow the clues, and email your answer!
Smithsonian Institution
Smithsonian National Zoo: Zoogoer Magazine: The Mystery of Amphibian Declines
Howard Youth's article, "Chasing Frogs and Phantoms: The Mystery of Amphibian Declines" deals with the shrinking populations of amphibians and certain conservation efforts underway.