Wondernose: What animal has the biggest families among the mammals—up to twenty-one in a litter?

Wondernose: What animal has the biggest families among the mammals—up to twenty-one in a litter?

You say your dad’s sows sometimes have even more piglets than that at a time? All right, Wondernose, I’m not thinking of domesticated animals. And our mystery animal is much smaller than a sow. Among the different species, the sizes range from 2-16 inches (5-40...