Great Moments In Science - With Dr Karl Kruszelnicki
The colour of bird poo
- Autor: Vários
- Narrador: Vários
- Editor: Podcast
- Duración: 0:06:34
- Mas informaciones
Informações:
Sinopsis
Bird poo is usually coloured white—because of the way birds excrete excess nitrogen. But the poo can sometimes be a different colour—because of their diet. Creatures have evolved three main ways of getting rid of excess nitrogen.
