Jussi Murtosaari / Muskrat (Ondatra zibethicus) Espoo, Uusimaa, Finland, May. Introduced species.

Loic Poidevin / Muskrat (Ondatra zibethicus) feeding at hole bt water. Breton Marsh, West France, September.

Eric Baccega / Muskrat (Ondatra zibethicus) walking on snow, Quebec, Canada

Fabrice Cahez / Muskrat (Ondatra zibethicus) at water surface. River Allier, France, April.

Michael Quinton / Bobcat (Lynx rufus) fighting with Muskrat (Ondatra zibethicus) in winter, Idaho. Sequence 2 of 4

Michael Quinton / Bobcat (Lynx rufus) fighting with Muskrat (Ondatra zibethicus) in winter, Idaho. Sequence 1 of 4

Michael Quinton / Bobcat (Lynx rufus) hunting Muskrat (Ondatra zibethicus) in winter, Idaho. Sequence 3 of 4

Dave Watts / Musky rat kangaroo {Hypsiprymnodon moschatus} Queensland, Australia

George Sanker / Muskrat (Ondatra zibethicus) feeding in beaver pond. Acadia National Park, Maine. September.

George Sanker / Muskrat (Ondatra zibethicus) sitting, with wet fur, portrait. Acadia National Park, Maine.

George Sanker / Muskrat (Ondatra zibethicus) with wet fur feeding in beaver pond. Acadia National Park, Maine. April.

Phil Savoie / Muskrat (Ondatra zibethicus) swimming, Gallatin National Forest, Bozeman, Montana, USA, May.