One litter of kittens can be produced by more than one father.
57
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
Some British police cars carry a teddy bear to console children after an accident.
46
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34