buck Moose, Alces alces, in the natural environment swamp. Biebrza marshes National Park. The largest mammal hoofed on swamps. Moose, Alces alces, in the natural environment swamp. Biebrza marshes National Park. The largest mammal hoofed on swamps. Moose, Alces alces, in the natural environment swamp. Biebrza marshes National Park. The largest mammal hoofed on swamps. Moose, Alces alces, in the natural environment swamp. Biebrza marshes National Park. The largest mammal hoofed on swamps. Roe deer, Capreolus capreolus in Biebrza national park, Poland Roe deer, Capreolus capreolus in Biebrza national park, Poland
