Some animals appear to have taken Nature’s gifts and stretched them to extreme limits. With these tw...

David discovers the curiosities that have led to accusations of forgery but have ultimately helped u...

David encounters two examples where Nature has tinkered with the aging process to alarmingly differe...

The single spiral tusk of the narwhal inspiration for tales of unicorns and the myriad variations on...

Zebra stripes vary subtly between the different species but there is one group of animals that has e...

Sir David Attenborough uses this episode to investigate two animals who are capable of true virgin b...

This episode explores the story of two animals that hide behind seemingly impregnable coat of arms....

Sir David Attenborough continues to shine the spotlight on nature's most amazing animals this time l...

Here we discover that some animals are able to trick others into believing they are something that t...

After initially gaining frightening reputations, it's now known that gorillas and bats are a lot gen...

Plants and animals have some curious super senses that enable them to see, hear and feel things that...

In this episode we explore the remarkable adaptations of two creatures that have evolved to survive...

We'll find out how nature is incredibly inventive and has produced two unique mechanisms of natural...

"Strange Parents" asks how we usually recognise animals as either male or female and how each sex no...

"Magical Appearances" explores how swallows magically appear each spring and asks how did complex an...

Fleas are supposed to be able to jump the equivalent of a human leaping over St. Paul’s Cathedral an...

Orangutans can use tools but such skills remained undiscovered for centuries. They were considered a...

The bodies of some animals stretch and shrink in extraordinary ways. The anaconda can swallow prey t...

The blue whale and the flamingo both have bodies determined by their diet. Blue whales grow enormous...

Humans are not alone in using medicines against injuries and infection. Some animals protect themsel...

Salamanders can regenerate entire legs and tails to replace ones they have lost, while deer shed the...

Hybrids can be bizarre and they can be deadly. We look at two hybrid animals that owe their existenc...

Some animals have an extraordinary ability to find their way. The dung beetle, an insect revered by...

The giant panda gives birth to the smallest baby of any mammal and has to care for and protect it fo...

Can animals count? This is a question that has intrigued and fooled investigators for a long time. J...

David Attenborough investigates two shells that have proved to be winners in evolution: the bird’s s...

The Siamese Fighting Fish is so aggressive it will fight its own reflection until it is exhausted. R...