One of the most ancient Ents, dating back to the time long before the first rising of the Sun; known to have survived until at least III 3019, Skinbark presumably lived on into the Fourth Age
With Treebeard and Leaflock, one of the three oldest Ents of Fangorn Forest. He lived on the slopes above and to the west of Isengard, and so he and his people suffered the most at the hands of Saruman's despoiling Orcs.