Transformation in animals, such as amphibians and insects, from one developmental stage to another.
- Field guide to amphibian larvae and eggs of Minnesota, Wisconsin, and Iowa [More info]
- Field guide to identify amphibian species from the larvae and eggs. Available to download in Adobe PDF or UMESC format.
- Tadpoles of the United States and Canada: a tutorial and key [More info]
- Key and tutorial to identify species of tadpoles from North America with color photographs.