When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The oldest recorded elephant lived for 82 years.
213
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Cows can sleep standing up, but they can only dream lying down.
745
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
Bats sleep 18-20 hours per day.
5
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Dogs have been man's pet for over 14,000 years.
224