The most expensive cow in the world was sold in 2009 for $1.2 million.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
The oldest recorded elephant lived for 82 years.
213
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
In Australia, there are spiders big enough to eat snakes.
20
A cow produces around 200,000 glasses of milk in her lifetime.
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