english: Whether placental, marsupial, or monotreme, each of these creatures and its unique birthing methods, however bizarre, have succeeded for many millennia in bringing new life and diversity into the mammal kingdom.
non_english: Placentalni sesalci, vrečarji in stokovci, vse te živali in njihove edinstvene metode rojevanja, še tako bizarne, so mnogo tisočletij uspešno prinašale novo življenje in raznolikost v kraljestvo sesalcev.