Michigan DNR Looking for Volunteers to Monitor Frog Population

The Michigan Department of Natural Resources is looking for volunteers to help with the 20th annual statewide frog and toad survey this spring.

The Department of Natural Resource's Wildlife Division coordinates and analyzes data for the annual survey, while volunteers throughout the state conduct the field work. The survey helps biologists monitor frog and toad population and distribution in Michigan.

“We have collected a large, valuable data set to help us evaluate Michigan’s frog and toad populations,” said Lori Sargent, the DNR’s survey coordinator. “We’re now able to start watching trends and thinking about how to slow down some of the species’ declines.”

Sargent points out that during the past 19 years Michigan has seen a decline in Fowler’s toads and mink frogs, two species that have a limited range in the state.

Declining populations of frogs, toads and other amphibians have been documented worldwide since the 1980s. Studies suggest amphibians are disappearing due to habitat loss, pollution, disease and collection.

Volunteer observers conduct the surveys along a statewide system of permanent survey routes, each consisting of 10 wetland sites. Observers visit these sites three times during spring, when frogs and toads are actively breeding, listening for calling frogs and toads at each site, identifying the species present and making an estimate of the number of frogs and toads.

“We could still use some new volunteers in all parts of the state," Sargent said. "The continued success of the program is dependent on strong volunteer support.”

Those interested in volunteering should contact Lori Sargent at SargentL@michigan.gov or (517) 284-6216 and provide their name and address.