Jim Brandenburg / Moose (Alces alces andersoni) female looking in car window during winter, the animals lick salt off of cars, Minnesota

Agustin Esmoris / Moose (Alces alces andersoni) mother and calf walking in rain, Alberta, Canada

Agustin Esmoris / Moose (Alces alces andersoni) female drinking water from rain puddle in road, Alberta, Canada

Jim Brandenburg / Moose (Alces alces andersoni) bull in pond, Superior National Forest, northern Minnesota

Barry Mansell / Pine Barrens Tree Frog (Hyla andersoni) female, West Florida, USA

Barry Mansell / Pine barrens tree frog (Hyla andersoni) Florida, USA

Jim Brandenburg / Moose (Alces alces andersoni) female wading through water, Isle Royale National Park, Michigan

Doug Wechsler / Pine Barrens treefrog singing (Hyla andersoni) Blackbird State Forest, Delaware, USA

Jim Brandenburg / Moose (Alces alces andersoni) bull, Northwoods, Minnesota

Jim Brandenburg / Moose (Alces alces andersoni) female swimming across lake, Northwoods, Minnesota

Jim Brandenburg / Moose (Alces alces andersoni) walking through boreal forest, Isle Royale National Park, Michigan

Jim Brandenburg / Moose (Alces alces andersoni) foraging on water plants in lake, Isle Royale National Park, Michigan