Butterflies are found almost the year around in the relatively warm region of far West Texas. In the parks and preserves of the Big Bend and the Davis and Guadalupe Mountains, and in the arid flatlands between mountain ranges, these flying gems flit from flower to flower in the driest deserts and along the highest mountainsides. Most commonly found along watercourses such as the Rio Grande or where flowers are abundant after rain, they can be found...