Cats recognise the voice of their owner, but never evolved to care.
22
Denmark has twice as many pigs as there are people.
66
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Only 3% of bird species have penises.
0