Dog

Dogs have changed us and we've changed them. Brett Westwood visits Battersea to meet some.

• 28 mins

Orchid

Orchids and a world filled with beauty, femme fatales, ghosts, sex and deception.

• 28 mins

Penguin

Penguins and us: from engaging funny figures to sentinels of change.

• 28 mins

Swan

Series celebrating the infinite variety of the natural world and its depiction in culture.

• 28 mins

Sloth

Sloths are wildly popular but that may tell us more about ourselves than about the animal.

• 28 mins

Bee

About a bee: which has had a profound impact on human culture and society across history.

• 28 mins

Chicken

How did we get from the red junglefowl in Asia to the chicken now eaten in its millions?

• 28 mins

Poppy

Natural Histories explores the poppy and its symbolism.

• 28 mins

Fern

Once regarded as magical and mysterious; our obsession with ferns is longstanding

• 28 mins

Pigeon

One of our oldest companions, the pigeon inspires both love and loathing.

• 28 mins

Aye-Aye

One of the weirdest –looking creatures on earth has both mesmerised and terrified us.

• 28 mins