---
title: "How wolves change rivers"
description: "When wolves were reintroduced in Yellowstone national park, this is what happened!"
url: https://www.mathys.to/writing/inspiration/how-wolves-change-rivers-4734/
section: inspiration
published: 2014-10-20
last_updated: 2026-05-03
---

# How wolves change rivers

*When wolves were reintroduced in Yellowstone national park, this is what happened!*

<div class="embed embed-youtube"><iframe src="https://www.youtube-nocookie.com/embed/ysa5OBhXz-Q" width="100%" height="340" frameborder="0" allow="accelerometer;autoplay;encrypted-media;gyroscope;picture-in-picture" allowfullscreen loading="lazy"></iframe></div>

Thanks [Raimo](http://twitter.com/rhymo) for sharing.  
Also check out the beautiful Interactive explanation by [National Geographic: Wolf Wars](https://www.nationalgeographic.com/magazine/article/wolf-wars).