In northern Michigan forests lives the white-footed mouse. Among other small mammals, it’s a fierce competitor in the food chain.

However, this animal struggles to survive through harsh winters. Tracking the population size and location of this mouse can serve as an indicator of climate change.

Dr. Sean Maher, associate professor of biology at Missouri State University, who studies small mammals and their habitats over time, talks about his research.

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Read more about Maher’s research