Little is known about the leggless, worm-like caecilians. Spring breeding choruses of the 11 species of frogs, toads, and treefrogs can also be heard in this area. In a prestine wetland or aquatic habitat it is possible to hear many of the species through the spring and early summer. The Wisconsin Frog and Toad Survey has been monitering anuran populations based on vocalizations throughout Wisconsin. It is one of the first regional amphibian community investigations of trends in population dynamics in North America.
Amphibians are important predators of insects, other invertebrates and vertebrates.
Other anurans such as the leopard frogs, wood frogs, and eastern american toads spent summer months foraging for insects in the terrestrial landscape. Larger frog species, like the bullfrog and green frog, incorporate insects, small amphibians and reptiles, and even young water fowl into their diet. This impressive population is essential in controlling invertebrate populations. Amphibians provide sustiance for other organisms, as well. Frogs and salamanders are consumed by foraging mammals.