The frog chorus in Wisconsin's wetlands

Wonderous and Wicked Cool Creatures in Midwest Wetlands

Wisconsin biologists survey ponds for threatened amphibians, reptiles

Outdoors: Frogs sing out a spring chorus even in the cold, Eden Prairie Opinion

What animal on Earth lays eggs at will? - Quora

Wetland Coffee Break: The Wisconsin Frog & Toad Survey

10 Types of Frogs Found in Wisconsin! (ID Guide) - Bird Watching HQ

Research Update: The Status of Arboretum Frogs

Six amphibian species you can find in Wisconsin

What animals usually lay eggs? - Quora

Celebrating National Frog Month this April