(9:30 minute video) Monarch butterfly populations have declined 90 percent across the US. A key piece of their habitat has been wiped out by farms and urban sprawl. Milkweed is the single most important plant for monarchs. It’s the only one they lay their eggs on and young caterpillars eat. People are encouraged to plant milkweed wherever they can to help monarchs along their long migration routes. [IMPORTANT: Plant only milkweed that is native to your area. In Oregon's Willa

(8:41 minute video segment , PBS Oregon Field Guide, Season 21, Episode 2111 ) Take a look at some of the Willamette Valley’s savannah-prairie lands. See how the savannah has changed due to lack of fire. The oak savannah, one of the rarest and quickly diminishing of habitats is being crowded out by plants normally held at bay by fires. See how lack of this habitat impacts the survival of wildlife. But some land managers are working to restore pockets of the once-common oak