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
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
One litter of kittens can be produced by more than one father.
57
Sea otters hold hands while sleeping so they don’t drift away from each other.
104