Daily Climate: In the hush of a snowy Ontario winter woods Jeff Bowman's radio wave tracker beeps insistently, pointing him toward a nearby tree cavity.
Inside, a group of tagged flying squirrels huddle in the comfort of each other's body heat. In a few weeks, the rodents -- which glide from tree to tree using flaps of skin between their front and rear legs -- will begin to mate.
Ontario Ministry of Natural Resources population ecologist Jeff Bowman tracks flying squirrels at a Trent University research station...