Ismaele Tortella / Four Eurasian elk (Alces alces) walking through vegetation , Norway, August

Paul Williams / Moose (Alces alces) female with twin calves, Baxter State Park, Maine, USA, June.

Danny Green / Moose Bull (Alces alces) walking in forest clearing, Denali National Park, USA, September

George Sanker / Moose (Alces alces) bull swimming in water, Baxter State Park, Maine, USA.

Jeff Vanuga / Shiras moose (Alces alces shirasi) bull in rut. Grand Teton National Park, Wyoming, USA, October.

Pal Hermansen / European moose (Alces alces) bulls near houses, Nordland, Norway. July.

Espen Bergersen / European elk / Moose (Alces alces) photograped in midnight sun. Troms, Northern Norway. June

Espen Bergersen / European elk / Moose (Alces alces) feeding close to a house. Troms, Northern Norway. May

Ole Jorgen Liodden / Herd of Moose (Alces alces) following in line in each other's tracks, aerial view, Valdres, Norway, February.

Sven Zacek / Moose (Alces alces) herd on a cold -18 C morning amongst frozen willow bushes, with snow, in Tartumaa, Estonia. January. Highly commended in the Mammals category of the GDT competition 2013.

Sven Zacek,Sven Zacek / Two bull Moose (Alces alces) sizing each other up during the annual rut, after sunset with migrating geese in flight. Western Estonia, September.

Oscar Dewhurst / Moose (Alces alces) bull, portrait. Grand Teton National Park, Wyoming, USA. September.