Female kangaroos have three vaginas.
2
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Moths are unable to fly during an earthquake.
328
Only 3% of bird species have penises.
0
Dolphins have names for one another.
18
The Basenji dog is the only dog that is not able to bark.
4