 3News NZ | Goats get work clearing land in downtown Portland CBS News (AP) PORTLAND, Ore. â€" Deep in the wilds of Portland, invasive species rule. Blackberries, thistle, English ivy and rhododendron occupy deep pockets of brush, choking off native plants and growing into thick tangles impossible to navigate on foot. ... In and around Portland, urban dwellers looking to goats as cheap alternative ... |