When the San Clemente fox number dropped dramatically, the U.S. navy had to ensure their survival to keep their base.
Learn more about "Cities: Nature's New Wild", : https://bbc.in/2LtM66F
Subscribe to BBC Earth for more amazing animal videos - http://bit.ly/BBCEarthSub

Watch more videos from BBC Earth:
Planet Earth http://bit.ly/PlanetEarthPlaylist
Blue Planet http://bit.ly/BluePlanetPlaylist
Planet Earth II http://bit.ly/PlanetEarthIIPlaylist
Planet Dinosaur http://bit.ly/PlanetDinoPlaylist

Check out the other two channels in our BBC Earth network:
BBC Earth Unplugged: http://bit.ly/BBCEarthUnplugged
BBC Earth Lab: http://bit.ly/BBCEarthLabYouTubeChannel

Cities: Nature's New Wild
Humpback whales breach in New York’s Hudson River. Huge colonies of megabats have made Adelaide their home. African Penguins find sanctuary and safe places to nest in Cape Town. Meet the extraordinary wildlife living in the fastest changing habitat on the planet – our cities. Animals have adjusted surprisingly well to city living. Not only are they applying their natural-born skills to this urban environment, they’re also making amazing adaptations. Inspired by the Cities episode of Planet Earth II, this series explores our cities from a fresh perspective – through the eyes of the animals who live in them. Discover the wilder side of a world you think you know.

Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you'll find 50 years worth of astounding, entertaining, thought-provoking and educational natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/co...