1. Threatened Oregon Silverspot Butterfly: An Oregon native butterfly has been federally listed as a threatened species for 30 years. 2. The Lloyd Brothers Of Mount Adams: Find out why the Lloyd twins have committed a lifetime to Mount Adams – the overlooked giant of the Cascades. 3. Western Bog Lily On The Decline: The Western bog lily once thrived in the marshes and bogs of southwestern Oregon – but they’re on the decline. 4. Winter Dawn At Hosmer Lake: At the height of summer, a trip to Hosmer Lake in the Deschutes National Forest means suiting up for battle against thick clouds of mosquitoes. That’s why "Oregon Field Guide’s" Nick Fisher waits for winter to break out his camera.