- The outside two are for sperm and lead to the two uteruses.
- The middle one is for giving birth.
- The urinary tract goes through the middle of the three vaginas.
Because they have two uteruses plus a pouch, female kangaroos can be perpetually pregnant.
As for the Male Kangaroos:
- The testicles are above the penis.
- They often have two-pronged penises.