# Asha de Vos: Why you should care about whale poo

Whales have a surprising and important job, says marine biologist Asha de Vos: these massive creatures are ecosystem engineers, keeping the oceans healthy and stable by ... well, by pooping, for a start. Learn from de Vos, a TED Fellow, about the undervalued work that whales do to help maintain the stability and health of our seas — and our planet.

- Kind: Talk
- Year: 2015
- Runtime: 5 min
- By: TED.com
- Genres: Education, Science, Nature
- Archive: [Internet Archive](https://archive.org/details/AshadeVos_2014U)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/AshadeVos_2014U?play=1)