Animals with big balls can be found across the animal kingdom. From mammals, to reptiles and even insects, there are many species with unusually large testicles. In some cases, these large testicles are used to attract mates, while in others they are used to store sperm for long periods of time. Regardless of the reason, it's fascinating to learn about the creatures with the biggest testicles in the animal kingdom.
Kangaroo
Kangaroos are a species of marsupial found in Australia and New Guinea. Male kangaroos have the largest testes relative to their body size of any mammal. Their testes can reach up to 4 pounds in weight, an astonishingly large size for an animal of their size. Kangaroos use these large testes to store sperm and fertilize female kangaroos during mating season.
Hippopotamus
Hippopotamuses, or hippos for short, are large semi-aquatic mammals found in Africa. Male hippos have testes that can grow up to 9 inches in length and weigh up to 2.2 pounds. These large testes may be used to attract potential mates, or to store sperm for long periods of time.
Elephant
Elephants are the largest land animals on the planet, and their testes are no exception. Male elephants have testes that can reach up to 18 inches in length and weigh up to 22 pounds. These large testes are used to store sperm over long periods of time, and may also be used to attract mates.
Frogs
Frogs are amphibious creatures found all over the world. Male frogs have the largest testes relative to their body size of any animal, with some species having testes that can reach up to 20% of their body weight. These large testes are used to store sperm and attract potential mates.
Gorillas
Gorillas are large primates found in Africa. Male gorillas have testes that can grow up to 7 inches in length and weigh up to 2.2 pounds. These large testes may be used to store sperm, or to attract potential mates.
Giant Water Bug
Giant water bugs are large insects found in freshwater habitats. Male giant water bugs have testes that can reach up to 5 inches in length and weigh up to 5 ounces. These large testes are used to store sperm and attract potential mates.
Scorpion
Scorpions are venomous arachnids found all over the world. Male scorpions have testes that can reach up to 5 inches in length and weigh up to 5 ounces. These large testes may be used to store sperm, or to attract potential mates.
Bats
Bats are the only mammals capable of true flight. Male bats have testes that can reach up to 3 inches in length and weigh up to .7 ounces. These large testes may be used to store sperm, or to attract potential mates.
Conclusion
Animals with big balls can be found across the animal kingdom. From mammals, to reptiles and even insects, there are many species with unusually large testicles. These large testes may be used to store sperm, attract potential mates, or both. It's fascinating to learn about the creatures with the biggest testicles in the animal kingdom.