Today's episode stars polar bears, maremmas, tropical fish, eels and echindnas.
Today's episode stars chimpanzees, otters, kittens, rats and mice.
By 2050, two-thirds of us will live in urban areas - and we won't be alone. Dr Ann Jones reveals the secrets of five dangerous animals that are thriving in our concrete jungles.
Hello, little puffin. You are a pretty sea bird, of the same family as penguins. But you, the Atlantic puffin, I recognise you right away thanks to your pretty beak full of colours!