Sacramento Bee: "Our field records will be perhaps the most valuable of all our results. You can’t tell in advance which observations will prove valuable. Do record them all!" - Joseph Grinnell, UC Berkeley, Museum of Vertebrate Zoology, 1908 High above a silver-blue mountain lake, a gray-bearded man tromped up a rocky slope and peered at a small metal trap. It was empty. He kept moving, scrambling across huge granite boulders and found another trap. This time, success: …