Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) mother nursing calf, Newfoundland, Canada

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) male, Newfoundland, Canada

Hermann Brehm / Reindeer (Rangifer tarandus) in woodland, Sweden, September.

Uri Golman / Forest reindeer, (Rangifer tarandus fennicus) in velvet, Viiksimo, Kuhmo region. Finland, July. Rare subspecies which were nearly extinct in the 19th Century.

Juan Carlos Munoz / Herd of wild Reindeer (Rangifer tarandus) running past young spruce trees in Taiga woodland, Lappland, Finland, March 2007

Michael Quinton / Caribou (Rangifer tarandus) mother and calf crossing snow field, Alaska

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) male, Newfoundland, Canada

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) male, Newfoundland, Canada

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) male, Newfoundland, Canada

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) male and females, Newfoundland, Canada

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) male scenting females, Newfoundland, Canada

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) male drinking, Newfoundland, Canada