Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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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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Sheep, goats, octopuses, and toads have rectangular pupils.
7
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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There's a rare breed of pig that looks like a sheep.
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In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Lurch, a Watusi bull, had the largest horns in the world.
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