Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
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
The octopus does not have a blind spot.
273
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19