Michigan Public on Instagram: "The latest episode of On Hand is available at your favorite podcast dealer! 🧑‍🔬 Brad Cosentino specializes in studying how environmental change affects the ecology and evolution of wildlife populations, like squirrels! 🤔 One limitation of squirrel population research worth considering: Some of these studies rely on volunteer-reported numbers, so there’s potential for sampling bias. Observers may be more likely to record rare color variations (like black squirrel