Orsolya Haarberg / Red deer (Cervus elaphus) herd wading through water in a flooded forest, Danube-Drava National Park, Hungary.

Michael Durham / Silver-haired Bat (Lasionycteris noctivagans) illustrating wing movement during flight, Rogue River National Forest, Oregon, digital composite

Tui De Roy / Scarlet Macaw (Ara macao) flying in rainforest canopy, upper Tambopata River, Peruvian Amazon, Peru

Konrad Wothe / Bugs on Heliconia flower, Coreidae, Rainforest at Tambopata river, Tambopata National Reserve, Peru.

Jim Brandenburg / Maple (Acer sp) trees in autumn color, Snowbank Lake, Boundary Waters Canoe Area Wilderness, Superior National Forest, Minnesota.

Tim Fitzharris / Rogue River with rapids, Rogue River National Forest, Oregon

Michael Durham / Yuma Myotis (Myotis yumanensis) portrait, Rogue River National Forest, Oregon

Michael Durham / Yuma Myotis (Myotis yumanensis) portrait, Rogue River National Forest, Oregon

Michael Durham / Big Brown Bat (Eptesicus fuscus) flying streamside, Rogue River National Forest, Oregon

Michael Durham / Big Brown Bat (Eptesicus fuscus) flying, Rogue River National Forest, Oregon

Michael Durham / Big Brown Bat (Eptesicus fuscus) portrait, Rogue River National Forest, Oregon

Michael Durham / California Myotis (Myotis californicus) on the bark of a tree, Rogue River National Forest, Oregon