Cows can sleep standing up, but they can only dream lying down.
745
The cat brain weighs about 30g.
167
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
The Basenji dog is the only dog that is not able to bark.
4
Nicole Kidman is scared of butterflies.
65
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Gorillas can catch human colds and other illnesses.
205