David Attenborough's Natural Curiosities

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David Attenborough's Natural Curiosities

David Attenborough investigates the Siamese fighting fish and the kangaroo, examining why both species fight and what skills a winner must have.

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Series 4
David Attenborough investigates two shells that have proved to be winners in evolution: the tortoise's shell and the shells of birds' eggs.
David Attenborough explores whether there is counting in the natural world.
David Attenborough examines animals with extreme young. The panda gives birth to the smallest baby of any mammal, while the kiwi's egg is almost too large to lay.
David Attenborough examines animals with an amazing ability to find their way - the dung beetle uses the sun, moon and even the Milky Way.
David Attenborough examines some fascinating creatures. This episode looks at bizarre and sometimes deadly hybrids, like the pizzly bear and the killer bee.