The waters in the Upper Peninsula of Michigan freeze over fast in winter–and river otters need to work just as fast to keep holes open in the ice. If they close, the otters lose access to fish.

Scientific name: Lontra canadensis River otters display several adaptations ... notes National Geographic. University of Michigan documents note that their physical adaptations enable them to ...

The zoo is bubbling with excitement as it introduces its newest, and possibly cutest, residents: four North American river otter pups ... southeast Michigan and beyond to keep you informed.