@sambentleyAug 16, 2026 · 1:08 · original sound - Sam Bentley
How did this green strip survive a wildfire that burned everything around it? In 2020, the Mullen Fire tore through the Wyoming-Colorado border, the biggest wildfire in the state's history. But when researchers looked a bit closer at the damage, they noticed a patch that seemed unharmed. And it was thanks to one of nature’s best engineers.. Beavers! Beavers had dammed Bear Creek, slowing the water down and spreading it out into wetlands. All that water kept the plants too wet to catch fire. So while the forest on either side turned black, the beaver ponds became a refuge for wildlife to survive and come back. Scientist Emily Fairfax has studied this across some of America's biggest megafires. And found that 89% of beaver-dammed waterways acted as fire refuges, compared to just 60% of rivers without dams. And it's not only fires that beavers help with. In Devonshire, England, beaver wetlands are staying lush right through a drought that's left the rest of the countryside parched. And that’s because a single beaver pond can hold around a million litres of water, released slowly to keep the rivers alive. Beavers were almost wiped out for their fur. Now they're back, doing the work of a firebreak and a reservoir all at once. #goodnews #nature #tiktokforgood
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