Sunday Sketch: Opossum Nipples

Did you know that the Virginia opossum (Didelphis virginiana) has 13 nipples – 12 arranged in a circle with one in the middle?  They are also North America’s only marsupial. Spooky!

Screen Shot 2018-10-11 at 12.27.04 PM

Sketch and fact contributed by Victoria Farrar

Source: Whitson, M. 2017. “Didelphis virginiana: Life History.” Accessed 10 October 2018, available from Encyclopedia of Life,

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