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How Wolves Change Rivers [REMASTERED HD] - George Monbiot

Sustainable Human · explainer · Watch on YouTube

Animals & natureEnvironment, agriculture & food systems

What it is

A short narrated video describing how reintroducing wolves to Yellowstone triggered a trophic cascade that changed wildlife, vegetation and even river courses. This is a remastered HD version of George Monbiot's viral piece.

Why Hacker News recommends it

HN cites it as a compelling example of unforeseen ecosystem effects and rewilding.

  • 2 people recommended it
  • 2 different months
  • 1 strong recommendations
  • first 2023, last 2025

What HN commenters said

  1. “probably one of the most fascinating videos on YouTube”

    Shows how reintroduced wolves reshaped Yellowstone's rivers.

    sakopov, 2023-12 · Strong recommendation · in “Colorado wolf reintroduction to move forward”

  2. “Wolves triggered a cascade transforming Yellowstone's wildlife and rivers.”

    thangalin, 2025-07 · Recommendation · in “Return of wolves to Yellowstone has led to a surge in aspen trees”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: yellowstone, wolves, rewilding, ecosystems, keystone species

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