In the springtime, R Lazy S ranch and surrounding Jackson Hole valley erupt in multiple tones of vibrant green. The sliding glass door in my parents’ room began to rattle, bowing and flexing inward toward their bed. Champ, their elderly Australian Shepard and lover of all animals, let out an uncharacteristic growl that turned into a whimper as the window above her continued to bend and shake. My dad awoke and sleepily clicked on the porch light, which exposed the silhouette of an enormous standing bear, his face and paws pressed up against the window, which was putting forth a valiant effort of defending the house from outside invaders. Windows and doors, however, only succeed when they are closed, and it...