The reindeer is the only mammal that can see UV light.
17
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
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Rattlesnake mating sessions have been known to last more than 22 hours.
232
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1