Cats recognise the voice of their owner, but never evolved to care.
22
When dragonflies mate, their tails form a love heart.
22
A lion in the wild usually makes no more than twenty kills a year.
186
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23