Frogs are very sensitive to their environment. Changes in their appearanceand their rapid disappearancecan tell us when the environment is unhealthy. When peopl

Frogs have been living on Earth for millions of Years. These amazing amphibians live both in water and on land and require not one, but two, safe and healthy ha

Describes the various frog types, the loss of their habitats, the danger from humans, and research and conservation being done to protect them.

What can we learn about the health of an ecosystem through frogs? This title takes readers to our freshwater sources to see how pollution is disrupting the repr