Willow, a 5-month-old calf, follows her mother, Connie, as they walk through the free-roaming area at Northwest Trek Wildlife Park.
Willow, a 5-month-old calf, follows her mother, Connie, as they walk through the free-roaming area at Northwest Trek Wildlife Park. Northwest Trek Courtesy
Willow, a 5-month-old calf, follows her mother, Connie, as they walk through the free-roaming area at Northwest Trek Wildlife Park. Northwest Trek Courtesy

Moose evolve to withstand the rigors of winter

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