Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Mosquitoes don't just bite you, they also pee on you.
11
The oldest recorded elephant lived for 82 years.
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