An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The largest earthworm on record was found in South Africa and measured 22 feet.
151
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17