This guide describes marking and identification techniques for larval amphibians, frogs and toads, salmanders, caecilians, turtles, lizards, snakes and crocodilians. The techniques described include toe clipping, branding, tagging and banding, trailing devices, pattern mapping, mutilation techniques, radioactive tagging, shell notching, painting, scale clipping, PIT tags and radio transmitter tagging. Provides an extensive bibliography for further reading.