Perpetually Pregnant facts

While investigating facts about Perpetually Pregnant, I found out little known, but curios details like:

Kangaroos have three vaginas, meaning that they can be perpetually pregnant

Female kangaroos have three vaginas. Because of this, it is possible for them to be "perpetually pregnant."

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across. Here are 2 of the best facts about Perpetually Pregnant I managed to collect.