Episode Details

Scientists are redefining extinction with the term “lost species” — animals and plants unseen for years but not yet confirmed gone. A new journal tracks these elusive creatures, spotlighting both vanishings and thrilling rediscoveries like a South African sawfish and an Indian rodent. The concept fuels urgent searches, especially in overlooked places like Nevada, where insect biodiversity remains largely unexplored. Researchers are racing to find beetles and moths vanished over a decade ago in remote spots like Sand Mountain. Even tiny wonders, like the Western pygmy blue butterfly — North America’s smallest — migrate annually to Reno only to perish in winter, revealing nature’s fragile, resilient cycles.

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