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A look at how some animals and plants go to extremes to give themselves a chance to breed.

A look at the strategies used by reptiles and amphibians to conquer their shortcomings.

How mammals dominate the planet through having warm blood and by caring for their young.

A look at various fish species including sea dragon, fringehead and Hawaiian goby.

A slow-motion camera captures the unique flight of the Marvellous Spatuletail Hummingbird.

Super-slow motion shows a bombardier beetle firing boiling liquid at its enemies.

Unique footage of a killer whale engaging in sneaky behaviour to hunt elephant seal pups.

A look at marine invertebrates, including Humboldt squid, starfish and giant octopuses.

A look at plants and the ingenious and manipulative ways they counter life's challenges.

Primates are just like humans - intelligent, quarrelsome, family-centred.