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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.

Field key to larval salamanders.

Figure 3a. Tail fin and costal grooves.

Figure 3a. Tail fin and costal grooves.

Figure 3b. Mole salamander digits (front feet shown).

Figure 3b. Mole salamander digits (front feet shown).

Figure 3c. Tail fin extending onto body (Four-toed Salamander).

(Figure 3c. Tail fin extending onto body (Four-toed Salamander).

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