Antler rub on a young alder by white tailed deer, Odocoileus virginianus, Maine, 28th November 2008, mixed coastal forest in which the white-tailed is the only deer present. Identified by bob Andersen (thanks, Bob).
Marsh Deer or Ciervo de los Pantanos, captive near Santa Cruz, Bolivia. Wild populations are now largely confined to swampy areas from eastern Bolivia to northern Argentina. In context at www.dixpix.ca/Amazon/fauna/mammals/index.html