Upper Midwest Environmental Sciences Center
Farm ponds as critical habitats for native amphibians A Field Guide to Amphibian Larvae and Eggs of Minnesota, Wisconsin, and Iowa Field guide contents
Figure 3. Field key to larval salamanders.
Figure 3a. Tail fin and costal grooves.
Figure 3b. Mole salamander digits (front feet shown).
(Figure 3c. Tail fin extending onto body (Four-toed Salamander).
