Snowy owls are normally a rare sight in North Country. Their usual range is in the Arctic north. But a few years ago, a large number were seen all across the region. Martha Foley asked Dr. Curt Stager why that has happened.

Flying squirrels glide through winter nights, hunting lichen

Conversations about the natural world with Dr. Curt Stager and Martha Foley, from member-supported North Country Public Radio.