The reindeer is the only mammal that can see UV light.
17
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Whales and dolphins can't taste anything other than salt.
11
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8