Squirrels forget where they hide about half of their nuts.
698
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
Two dogs were among the Titanic survivors.
262
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19