Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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Jellyfish as a species are actually older than dinosaurs and sharks.
383
Cats recognise the voice of their owner, but never evolved to care.
22
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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