Jack Dykinga / Bighorm sheep (Ovis canadensis) males grouped together before the rutting season. Valley of Fire State Park, Nevada, USA, February.
01280552
Uri Golman / Volcanic eruption near Eyjafjallajoekull glacier, hot lava flowing down into the Thorsmork valley, Iceland, 24/03/2010. Volcano dormant since 1821.
01635982
John Shaw / Desert bighorn sheep ram (Ovis canadensis nelsoni) rubbing against a creosote bush (Larrea tridentata). Valley of Fire State Park, Nevada, USA. February.
01635981
John Shaw / Desert bighorn sheep ram (Ovis canadensis nelsoni) descends a steep sandsone wall. Valley of Fire State Park, Nevada, USA. February.
01635980
John Shaw / Desert bighorn sheep ram (Ovis canadensis nelsoni) descends a steep sandsone wall. Valley of Fire State Park, Nevada, USA. February.
01635979
John Shaw / Desert bighorn sheep ram (Ovis canadensis nelsoni) descends a steep sandsone wall. Valley of Fire State Park, Nevada, USA. February.
01635978
John Shaw / Desert bighorn sheep (Ovis canadensis nelsoni) rams on steep sandstone wall. Valley of Fire State Park, Nevada, USA. February.
01635977
John Shaw / Desert bighorn sheep (Ovis canadensis nelsoni) rams on steep sandstone wall. Valley of Fire State Park, Nevada, USA. February.
01635976
John Shaw / Desert bighorn sheep (Ovis canadensis nelsoni) rams on steep sandstone wall. Valley of Fire State Park, Nevada, USA. February.
01635975
John Shaw / Desert bighorn sheep (Ovis canadensis nelsoni) rams on steep sandstone wall. Valley of Fire State Park, Nevada, USA. February.
01635974
John Shaw / Desert bighorn sheep ram (Ovis canadensis nelsoni) on sandsone wall. Valley of Fire State Park, Nevada, USA. February.
01635973
John Shaw / Desert bighorn sheep ram (Ovis canadensis nelsoni). Scars on face from fighting other males. Valley of Fire State Park, Nevada, USA. February.