BBC - Nature's Weirdest Events Series 5 (2016) Part 3

Nature's Weirdest Events Series 5

Chris Packham examines some of the weirdest natural events on the planet. With the help of footage taken by eyewitnesses and news crews, he unravels the facts behind each story.

Part 3

Chris Packham finds out about the much-loved dolphin that has started breaking people's bones, asks why a caterpillar wears a hat made of its own spare heads, and reveals how a tiny crustacean has mastered the holy grail of science - the art of invisibility.

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