Southwestern pygmy possum
... that the Southwestern pygmy possum can give birth just two days after weaning a previous litter, even though this requires dramatic changes to her mammary glands?
... that the <b id="mwBsY"><a class="mw-redirect" href="./Southwestern_pygmy_possum" id="mwBsc" rel="mw:WikiLink" title="Southwestern pygmy possum">Southwestern pygmy possum</a></b> can give birth just two days after weaning a previous litter, even though this requires dramatic changes to her <a href="./Mammary_gland" id="mwBsg" rel="mw:WikiLink" title="Mammary gland">mammary glands</a>?