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Monodelphis domestica. (A) Adult female. (B) Female with a litter of 10 pups. The newborns are ∼36 h postpartum age. Note that M. domestica does not possess a pouch. (C) Detail of litter seen in panel B. (D) Newborn, <12 h postpartum age. Scale is 1 mm between marks. (Photos: Larry Wadsworth, TAMU Media Resources.)
