Dogs have been man's pet for over 14,000 years.
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The head of a jellyfish is called the "Bell."
6
Dolphins have names for one another.
18
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The Basenji dog is the only dog that is not able to bark.
4