Join Metro naturalist Ashley Conley to explore a window to the past when the Willamette Valley was a patchwork of habitats inspired by fire, providing an abundance of wild foods for people and wildlife alike. The rare oak woodlands of Mount Talbert offer refuge for songbirds and the elusive western gray squirrel. Bring binoculars or borrow a pair. Suitable for ages 8 and older. $5 per person. Advance registration required; call North Clackamas Parks and Recreation at 503-794-8092.