There's a rare breed of pig that looks like a sheep.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
One in three dog owners say they have talked to their pets on the phone.
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The Basenji dog is the only dog that is not able to bark.
4
Mosquitoes don't just bite you, they also pee on you.
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