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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 Tyrannosaurus Rex is known as the king of the dinosaurs, but how did its reign begin? Meet Moros Intrepidus, a 180 lb., deer-sized ancestor to the T-Rex. Learn how the latest in paleontology can now link this small dinosaur to the 19,000-pound Scotty, the largest T-Rex ever discovered.
S3E3 • Breakthrough • 2019 • Nature
David Attenborough narrates a natural history of the oceans, exploring the richest waters on Earth, where the annual cycle of the sun drives an explosion of life.
S1E5 • Blue Planet I • 2001 • 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
The focus turns to the mastery of flight, from the science of gravity to the ability of birds to cover extremely long distances.
S1E2 • The Life of Birds • 1998 • Nature
In the final programme of this week-long ocean health check, we find out what the future holds for the next generation of marine life and how we can help.
S1E4 • Blue Planet Live • 2019 • Nature