By A Mystery Man Writer
Spring frog, toad mating calls ramping up across Wisconsin, DNR says
Hinterland Who's Who - Chorus Frogs
Tamarack Wetland Services, LLC
What kind of animal can lay an unfertilized egg and still be alive when it hatches out of the shell later on? - Quora
Wonderous and Wicked Cool Creatures in Midwest Wetlands
Green Wisdom School of Natural & Botanical Medicine
Research Update: The Status of Arboretum Frogs
Green Wisdom School of Natural & Botanical Medicine
Spring peepers, Cherokee Marsh, Madison, Wisconsin, USA on 6th April 2021 – by Craig Eley – Field Recordings
Wisconsin frog hi-res stock photography and images - Alamy
wetlands Archives - New York Almanack
The symphony of spring Wisconsin Wetlands Association
Wetland Coffee Break: Mink frog calling surveys