Sir David Attenborough shines the spotlight on nature's most amazing animals. Sir David looks at female hyaenas and explains why male seahorses give birth.

Sir David Attenborough shines the spotlight on nature's most amazing animals. This episode looks at the significance of large eyes in owls and giant squid.

The evergreen Sir David Attenborough weaves another tale of wonder as he salutes nature's most intricate structures, from spiders' webs to birds' nests.

Sir David Attenborough shines the spotlight on an array of animals that baffle and fascinate. We learn about how naturalists found out some eels were electric!

Sir David Attenborough shines the spotlight on nature's most extraordinary creatures. Looking at cuckoos and the way the death's-head hawkmoth steals honey.

Sir David Attenborough tells us about some amazing animals. Here the focus is on the rhino and the hedgehog.

Sir David Attenborough explores the most intriguing animals. Here he looks at vampire bats and gorillas.

Sir David Attenborough looks at nature's most amazing animals. In this episode it is the giant squid and owls.

Sir David Attenborough shares secrets of the natural world. Here he looks at the wood frog and the emperor penguin.

Much-loved broadcaster Sir David Attenborough reveals more of nature's most amazing animals. Looking at the way female Komodo dragons and aphids reproduce.