Destination: California
Expedition: Deep in the mountains of California's Sierra Nevada an endangered toad hibernates beneath the winter snows. However, just how many toads remain is a mystery. A scientist from Cornell is teaming up with pro backcountry snowboarders to find the toad by listening to its unique song just as the snow melts. This story combines elite alpine adventurers, cutting-edge science, and research that will help save a highly endangered species.