In nature, living long enough to breed is a monumental struggle. Many animals and plants go to extremes to give themselves a chance. The miniature strawberry poison arrow frog carries a tadpole high into a tree and drops it in a water-filled bromeliad, while fledgling chinstrap penguins undertake a heroic and tragic journey through the broken ice to get out to sea.

Originally released by BBC Worldwide Learning, 2009. Streaming video file encoded with permission for digital streaming by Infobase on November 21, 2019.