2min chapter

Radiolab cover image

The Cataclysm Sentence

Radiolab

CHAPTER

The Effects of Wolf Reintroduction on the Ecosystem

When wolves reintroduced to Yellowstone Park, all the game who hadn't been subjected to any threats became more alert and responsive. The banks of the river get firmer, which means beavers can come in and start to build their dams. Trees that previously had been chewed up in their early sapling stages start growing. All these species of bird come back into Yellowstone that had been absent because they didn't have the right canopy cover.

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