University of Wisconsin
University of Wisconsin: Amphibian Embryology Tutorial
This amphibian embryology tutorial takes an in depth look at the question "Why study amphibians?". Through this tutorial students will develop a better understanding of vertebrate development.
First World War
Life in the Trenches
An engrossing narrative of the horrid day to day life amid rats and frogs and uncertainty in the trenches of World War I.
Other
Amphibian and Reptile Conservation: Natterjack Toad
Description of the Natterjack Toad, including how to identify it, and its life cycle. It also provides a video [6:06] of an edition of the Living World with Lionel Kellaway, focussing on the natterjack chorus.
PBS
Nh Pbs: Nature Works: Colorado River Toad
Come and check out this educational resource featuring the Colorado River Toad. The content of this site includes information on this species' characteristics, range, habitat, diet, reproduction, and behavior.