The female opossum has 13 nipples

The Female Opossum: A Surprising Number of Nipples

When it comes to reproducing, animals have all sorts of unique ways to ensure the survival of their species. For the female opossum, this means having an impressive number of nipples. Yes, you read that right - the female opossum has 13 nipples!

Now, you might be wondering why on earth a marsupial would need so many nipples. Well, let’s dive into the fascinating world of opossum anatomy and find out.

Firstly, what is an opossum? The opossum, scientifically known as Didelphis virginiana, is a marsupial native to North and Central America. They are known for their distinct appearance, with a long snout, pointed ears, and a hairless, scaly tail. But what really sets them apart is their reproductive system.

Unlike placental mammals like humans, opossums give birth to relatively underdeveloped young. The female opossum carries her babies, called joeys, in her pouch. But here’s where the 13 nipples come into play.

Each of these nipples is located inside the mother opossum’s pouch, providing ample space for the growing joeys to latch on and feed. With such a large number of nipples, the mother can nurse multiple young simultaneously, ensuring their survival and growth.

But why exactly does the female opossum have 13 nipples? Well, scientists believe this number evolved over time to maximize the survival chances of the young. By having more nipples, the mother can accommodate a larger litter. This is particularly crucial for opossums, as they have a relatively high infant mortality rate.

Additionally, the large number of nipples also allows the mother to evenly distribute her young, reducing the competition for resources among the joeys. By breastfeeding their young, opossums provide vital nutrients and essential antibodies, setting them up for a healthy start in life.

Interestingly, the number of nipples on a female opossum can vary slightly. While 13 is the most common number, some opossums may have 12 or even 14 nipples. This subtle variation showcases the uniqueness and diversity of the animal kingdom.

In conclusion, the female opossum’s 13 nipples serve a crucial purpose in ensuring the survival of their young. This astonishing fact about the opossum’s anatomy highlights nature’s incredible adaptability and the intricate ways animals nurture their offspring.

Source: Mental Floss - 119 Amazing Facts for National Trivia Day