Fence To Keep Animals Out of Haleakala Rain Forest Finished

As exclusion fences typically go, the one they've built at Haleakala National Park in Hawaii is a monster.
Seven years in the making and roughly nine miles long, the fence around the park's 12,000-acre rain forest finally has been completed. It's intended to keep feral pigs and goats and axis deer out of the rain forest, where they find the lush, and in some cases rare, vegetation to be a wonderful buffet.
Ron Nagata of the East Maui Watershed Partnership says workers have managed to remove most of the goats from inside the fence, but that pigs from time to time figure out how to get through the fence.
The goats are pretty cunning themselves, as they apparently discovered that they could climb koa trees and then jump over the fence to get into the rain forest. You can read more of the details here.