I am a scientist who loves Groundhog Day, that least scientific of holidays. Every February, as Punxsutawney Phil shakes the dust off his coat, emerges from his burrow, glances at his shadow (or not) and allegedly prognosticates winter’s end, I gather a group of professors, graduate students, and other assorted science geeks at my UCLA lab to nibble, drink, schmooze, and revel in ground-hoggery in all its magnificent splendor.

I study the behavior, ecology, and evolution of groundhogs and the …