The cat brain weighs about 30g.
167
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Female kangaroos have three vaginas.
2
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19