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Zebra stripes vary subtly between the different species but there is one group of animals that has evolved colourful patterns of seemingly infinite variety, the butterflies. In this episode David looks at two examples of animal patterns that have bedazzled and baffled science for a long time, and uses modern tools to unlock their secrets.
S1E5 • Natural Curiosities • Nature
The sea turtle is one of the oldest animals on Earth. These ancient mariners pre-date the dinosaurs and have existed for over 100 million years, but now all seven of the surviving species are endangered.
5/5 • Arabian Seas • 2018 • Nature
Horizon explores the secrets of what makes a long, healthy and happy life. It turns out that a time you can't remember - the nine months you spend in the womb - could have more lasting effects on you today than your lifestyle or genes. It is one of the most powerful and provocative new ideas in human science, and it was pioneered by a British scientist, Professor David Barker. His theory has inspired a field of study that is revealing how our time in the womb could affect your health, personality, and even the lives of your children.
Meet the fauna of the rivers of Europe, including the world's only underwater spider, European river otter and the golden jackal of the Danube Delta.
2/5 • Wildest Europe • 2016 • Nature
Follow the adventures of the filmmakers behind "Big Pacific". This "Making Of" special explores the highlights and challenges of wildlife filmmaking.
5/5 • Big Pacific • 2017 • Nature
Visits the world's deepest valley: the Kali Gandaki river in the Himalayas. Its temperatures range from those of the tropics in its lower reaches to that of the poles higher up. It therefore shows how creatures become adapted to living in certain environments.
1/12 • The Living Planet • 1984 • Nature