Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Condoms were originally made of animal intestines or linen.
347
A domestic cat can sprint at about 31 miles per hour.
274
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Dolphins have names for one another.
18