Entire populations are awake while we sleep. They are moving about, eating and interacting before our day begins. We may not see or hear them, but come morning, their movements have been recorded in the fresh fallen snow. Around 7:00 a.m., I retrieve the newspaper from the box and see the first set of tracks. The paw-prints are dainty and round, about an inch across. They are set out in a graceful arc, one print behind the other. I’m not surprised to see the track, for I