This lovely small fox (size of a house cat) descended from the mainland gray fox. Gray and island foxes can climb the trees and eat berries :-)
http://www.npwrc.org/02-grayfox.html
http://www.bear-tracker.com/grayfox.html
(image URL http://animals.timduru.org/dirlist/fox/GrayFox-Climbing_up_tree.jpg, copyright/author unknown.)