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March 9, 2025 44 mins

Dr. Jim Halfpenny is a renowned scientist, educator, and author specializing in carnivore ecology, tracking, and the natural history of cold climates. With a Ph.D. in biology, he has conducted extensive research on wildlife, particularly bears, wolves, and mountain lions, and has contributed significantly to the study of animal tracking and forensic wildlife investigations. As the president of A Naturalist’s World, he has led numerous workshops and expeditions, sharing his deep knowledge with students, researchers, and outdoor enthusiasts. Dr. Halfpenny has authored several influential books and field guides, helping to advance the understanding of animal behavior and ecosystems. His passion for conservation and education has left a lasting impact on wildlife science and outdoor learning.


Show notes:

00:03:00 - Growing Up on the River and Becoming an Outdoor Guide

00:06:44 - Surviving the Coldest Winter in Yellowstone

00:09:55 - Yellowstone Ski Trips and Survival Experiences

00:12:27 - Teaching Snow and Polar Regions in Vietnam

00:15:29 - The Importance of Tracking in Early Human Survival

00:18:12 - The Art and Science of Tracking

00:21:28 - Forensic Tracking: Revealing the Hidden Story

00:23:44 - Careful Carcass Examination: Gathering Evidence for Accurate Identification

00:26:18 - Evaluating Forensic Evidence: Probability and Quality

00:28:12 - Tracking Animals Across Continents

00:30:52 - Tracking Paws: Webbing, Claws, and Unique Adaptations

00:33:22 - Comparing Bear Claws and Tracks

00:35:42 - Exploring the Skulls of Bears, Wolves, and Prey Animals

00:37:40 - Analyzing Bones and Tracks of Wildlife

00:39:42 - Protecting Planet Earth: Collective Responsibility and Action


  • Follow the adventures and interviews in real time at TrailLessTraveled.net and be sure to check out our visual series on YouTube, Facebook and Instagram.
  • The radio version of the show premieres Sunday nights at 6 MST, streaming live online at Trail1033.com & locally (Missoula) on the Trail 103.3 FM
  • Why listen to the radio version instead of the podcast? Well, because the radio version includes music selected by the folks we interview!
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