A group of unicorns is called a blessing.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12