Dr. Jenkins sits down with photographer, filmmaker and field naturalist Mark Lotterhand to explore his astonishing discovery that weasels are dragging Timber Rattlesnakes out of their winter dens—and eating them. The conversation traces Mark’s early fascination with snakes and how it grew into a passion for photography, eventually leading him to experiment with drones and remote cameras to capture elusive behaviors in the wild. They also dive into Mark’s new book, In Search of New England’s Pit Vipers, a collection of thrilling field stories featuring Timber Rattlesnakes and Copperheads and the adventures behind documenting these remarkable species.

Watch Mark’s weasel video.

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Originally released in 2020. Revisited for 2025 as one of our most downloaded episodes, and just as fascinating and relevant today as when it first aired. 

Dr. Steven Beaupre has dedicated his career to studying one of North America’s most iconic species, the Timber Rattlesnake. In this episode, Dr. Beaupre joins Dr. Jenkins to share his journey to becoming a leading expert in rattlesnake physiology and ecology. Together, they explore what makes Timber Rattlesnakes so remarkable, from the function of their heat-sensing loreal pits to the complex ways physiology shapes their behavior and survival. The conversation highlights how decades of research are helping inform conservation for this misunderstood predator.

Connect with Steven at Arkansas State University's Graduate School.

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Dr. Jenkins sits down with Stan Lake to discuss his new book, Toad in a Glass Jar. Their conversation follows two intertwining paths — Stan’s experiences serving in the Army in Iraq and his life as a naturalist and content creator passionate about reptiles and amphibians. Together, they explore how these threads weave through his journey and culminate in a deeply personal collection of reptile and amphibian poetry. The discussion also touches on Stan’s broader creative work, including Catching Creation, his books, and his music videos — and features a clip from his song “Ain’t No Copperhead.”

Connect with Stan at www.stanlakecreates.com.

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Dr. Jenkins sits down with Dr. Bryan Fry for a globe-spanning conversation about his adventures working with some of the world’s most venomous snakes. Bryan dives into his studies on venom, from how it evolved, to why it varies across a species’ range, to the medical challenges posed by these differences. Along the way, he shares unforgettable stories from the field, including surviving 28 venomous snake bites from species across multiple continents. From science to sheer adventure, this episode is packed with jaw-dropping moments. Listen in to find out what happened!

Connect with Bryan on his website.

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Dr. Jenkins sits down with rattlesnake expert Mike Cardwell for a deep dive into one of North America’s most fascinating and misunderstood species—the Mohave Rattlesnake. Mike’s path is anything but ordinary: a childhood passion for snakes led to a 30-year career in law enforcement, before he returned to science to study rattlesnakes full-time. Together, they explore the natural history of the Mohave Rattlesnake—where they live, what they eat, how they move, and how they reproduce. The conversation then turns to one of the most intriguing aspects of the species: venom. Mike explains how venom characteristics vary across their range and shares key findings from his own studies on populations with dramatically different venom types. They wrap up by diving into his book on Mohave Rattlesnakes as well as what new discoveries will appear in the upcoming second edition. This episode blends science, storytelling, and personal journey—you won’t want to miss it!

Connect with Mike on his website.

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Dr. Jenkins sits down with Drs. Eric Hileman and Meaghan Clark for an in-depth look at the Eastern Massasauga. They begin with the species’ natural history and conservation status before diving into long-term research from Michigan populations. Their studies reveal concerning levels of inbreeding, which are linked to reduced survival and lower breeding rates. The episode closes with a discussion of recovery strategies and what the future may hold for this imperiled rattlesnake.

Connect with Eric at West Virginia University, and Meaghan at Michigan State University.

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Dr. Jenkins sits down with Dr. Whitney Robles—author, historian, and curator—to explore her book Curious Species: How Animals Made Natural History. Rather than focusing solely on the work of famous natural historians, Robles highlights how animals themselves have shaped our knowledge of the natural world. Among the four species featured in her book are Timber Rattlesnakes, whose feared reputation has deeply influenced both scientific understanding and cultural attitudes. Together, they discuss how fear and fascination intertwine in shaping natural history, and Robles shares how her own field experiences, including encountering a gravid rattlesnake while pregnant, reshaped her perspective on these remarkable animals.

Connect with Whitney on her website, and find her book, Curious Species: How Animals Made Natural History.

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What can tiny island lizards teach us about surviving a changing world? Dr. Jenkins sits down with Dr. Christian Cox, Associate Professor at Florida International University, to explore the surprising answers. Christian’s research spans the colorful world of reptile evolution—why some snakes and lizards look and behave the way they do, how size and shape vary between the sexes, and what feeding habits reveal about survival. But at the heart of this conversation is his decades-long study of Anole lizards living on hundreds of islands in a massive lake linked to the Panama Canal. These natural experiments reveal how reptiles respond to sudden environmental shifts, offering clues to how wildlife may adapt in the face of climate change.

Connect with Christian at FIU.

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Alabama is a hotspot for snake diversity—and Jimmy Stiles knows it better than almost anyone. In this episode, Dr. Jenkins talks with his friend and colleague, a PhD candidate at Auburn University, about the state’s rich ecosystems, legendary herpetologists, and the incredible snakes that call Alabama home. They go deep into Eastern Indigo Snake reintroductions, venomous snake trainings, and how education and outreach are shaping the future of conservation.

Connect with Jimmy at the Wetland and Riparian Ecology Lab at Auburn University.

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Dr. Jenkins sits down with Dr. Hiral Naik, Research and Conservation Manager for Save the Snakes, for a fascinating discussion on venomous snakes and human-wildlife conflict in South Africa. Based in South Africa, Hiral recently completed her PhD on the ecology of venomous snakes and the dynamics of human snakebite incidents. The conversation begins with an overview of South Africa’s geography, climate, and the resulting distribution of its diverse venomous snake species. Hiral shares insights into the natural history and behavior of species like the Puff Adder and Mozambique Spitting Cobra, before diving into the complex issue of snakebite and how species ecology affects its prevalence and severity.

Connect with Hiral at Save the Snakes.

Connect with Chris on Facebook, Instagram or at The Orianne Society.

Shop Snake Talk merch.

If you like what you’ve been hearing on this podcast, consider supporting The Orianne Society today.