Turner Endangered Species Fund

Colossal Foundation Invests $500K to Restore America’s Largest Tortoise to the Southwest

by | Nov 13, 2025
The Bolson tortoise is North America's largest and rarest tortoise species. Its population has grown from 23 adults to over 800 individuals through captive breeding, with over 150 juveniles released since 2021 showing 80%+ survival rates.
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Hear the Howl: Dallas De‑Extinction Company Colossal Biosciences Brings Back Dire Wolf Using Ancient DNA
by | Apr 7, 2025
“Game of Thrones” made them famous, but the prehistoric dire wolves were real—and, according to Colossal Biosciences, have now returned after 12,500 years in what it calls the world’s first successful de-extinction. The work goes beyond headlines: It could change how we save endangered species. Meet Romulus, Remus, and Khaleesi in a video—and hear dire wolf howls for the first time in more than 12 millennia.
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