Bighorn sheep ram, backlit, standing on snow, Jasper National Pa
A mature bighorn sheep ram standing on snow, backlit in the late afternoon sun.
As the rut, or breeding season approaches, these rams put on weight and muscle in anticipation of the upcoming clashes they'll have to contest for breeding rights with the ewes.
Bighorn ram, Jasper National Park, Alberta, Canada.
Ovis canadensis. Photo © copyright by Carl Donohue.