Cats recognise the voice of their owner, but never evolved to care.
22
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Domestic pigs average a top speed of about 11 miles per hour.
182
A group of unicorns is called a blessing.
304