A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Cows can sleep standing up, but they can only dream lying down.
745
The elephant brain weighs about 6,000g.
274
Condoms were originally made of animal intestines or linen.
347
A giraffe's kick is so powerful that it can decapitate a lion.
216
Squirrels forget where they hide about half of their nuts.
698
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