Come fanno gli animali: Foxy Foxes and Sticky Spiders

SINOSSI

Kangaroos are baby making machines because of simple survival in the wild. Do you know that spiders have up to seven different silk glands, but why don't they get stuck in their own webs? Parrot brains are walnut sized, so why are they so clever? How do foxes find water in the desert?

DURATA: 20 min