Sir David considers two curious creatures - the elephant and the mole rat.
How and why do female Komodo dragons and aphids reproduce by virgin births?
Sir David looks at animals that are able to thrive in extremely cold conditions.
Examining the remarkable animals who have mastered the problems of life in the dark.
Investigating the gorilla and the vampire bat, two creatures with fearsome reputations.
Animals and plants with abilities so remarkable they seem almost supernatural.
Where do swallows hibernate and where do butterflies appear from in spring? The mystery of where some animals disappear to each year puzzled early naturalists. Show more
Animals are usually either male or female and behave in a way that is characteristic of their gender. But in nature there are curious exceptions. Show more
Sir David Attenborough examines the processes behind building spider's webs and sees if we could adapt spider silk to benefit us. Show more
Both the rhino and the hedgehog protect their bodies with formidable armour. Are these defences really what they seem? Show more
Sir David Attenborough looks at the animals have mastered the art of deception, including how the death's-head hawkmoth deceives bees to steal their honey. Show more
Sir David Attenborough examines whether cheetahs can really run at speeds of 70 miles per hour and achieve what should be physically impossible. Show more
Sir David investigates creatures that have made the ordinary extraordinary. Show more
Sir David tells the stories of animals that sent shockwaves through the scientific world.
Why the spiral is so important to two very different animals.
What role do colours and patterns play in the animals that display them?
Sir David Attenborough examines the mysteries behind some fascinating creatures and plants. Female Komodo dragons can reproduce without ever having contact with a male. Show more
Sir David Attenborough examines the mysteries behind fascinating creatures and plants. The giant squid has the largest eyes known in the animal kingdom. But what is it looking at? Show more
Sir David Attenborough examines the mysteries behind some fascinating creatures and plants. Research is revealing hidden plant senses, such as flowers that use electrical signals. Show more
Sir David Attenborough examines the mysteries behind some fascinating creatures and plants. Are the defensive armours of the rhino and the hedgehog really what they seem? Show more