Friday, 07:12 ![Ultimate Animal Countdown](/img/portugal/reviews/national_geographic_wild/ultimate_animal_countdown.png)
Ultimate Animal Countdown
Daredevils, Mundo Animal, 2012, S1E6
Human daredevils are addicted to adrenaline: the greater the risk - the bigger the rush. But some animals put their lives on the line every day; not for fun - but survival.