Looking at the true nature of weasels. Often portrayed as the villains of the natural world, do they deserve this reputation? Show more

Colin Stafford-Johnson explores corners of Cuba that few outsiders have seen. Amongst the wonders he encounters is the bee hummingbird, the world’s tiniest bird found nowhere else on the planet. Show more

Former Royal Marines commando Aldo Kane exposes the shocking secrets of the illegal tiger trade in south east Asia, and those who profit from it. Show more

The science behind the extraordinary abilities of eagles, the most powerful birds in the sky, with dramatic stories and some remarkable experiments. Show more

A professor develops an extraordinary relationship with an octopus when he invites it to live in his home to learn about its intelligence. Show more

Colin Stafford-Johnson continues his journey in Cuba, encountering bats feeding on nectar from giant hibiscus flowers, and tiny frogs, smaller than a fingernail. Show more

With incredible underwater footage, David Attenborough reveals the true nature of the hippopotamus – an animal that cannot swim yet is utterly dependent on water. Show more

With the help of pioneering scientists, will Florida’s wildlife continue to weather the storm of a growing human population and a cast of animal invaders? Show more

How bears across the world have overcome the challenges of life - from finding food and raising cubs to confronting rivals and habitat loss - all thanks to brains, brawn and amazing adaptability. Show more