Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
7,000 new insect species are discovered every year.
30
The first two years of a dog's life are equal to 24 human years.
25
All the swans in England are property of the Queen.
36
Sheep can recognize other sheep from pictures!
71
The elephant brain weighs about 6,000g.
274
Most tropical marine fish could survive in a tank filled with human blood.
54
A pig's orgasm lasts for 30 minutes.
303