Tracks of Lammergeier (bearded vulture)?

We went on a snowshoe hike yesterday and came across these huge tracks of what seemed to belong to a bearded vulture or a golden eagle. The wing spread was 1.30 meters (4.27 feet), exactly the same length as my hiking pole. From the tracks it seemed that the bird landed uphill and it took him a few flaps to balance out his landing. The picture was taken on December 26, 2009 on the marked snowshow trail nbr. 120, near the Wenig-Dürrewald, Adelboden. If anyone can help identifying the tracks (eagle or vulture), please let us know!