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
Denmark has twice as many pigs as there are people.
66
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Bats sleep 18-20 hours per day.
5