Rays of sunlight filter through trees in Cincinnati, Ohio,.
A herd of bison roam on a ranch near Valentine, Nebraska.
A portrait of a bison on a ranch near Valentine, Nebraska.
A man swings on a tree swing.
Tree swings sway in the wind.
A tree swing sways in the wind.
A dog takes a nap on a sunny balcony.
Fish swim around seaweed off the coast of Fernandina Island in Galapagos National Park.
Sunlight falls gently through a red window near Dunbar, Nebraska.
A sky appears eerily through a red window near Dunbar, Nebraska.
The world as seen through a red window near Dunbar, Nebraska.
A swallow-tailed gull (Creagrus furcatus) on North Seymour Island, part of the Galapagos Chain.
Swallow-tailed gulls (Creagrus furcatus) on North Seymour Island, part of the Galapagos Chain.
Swallow-tail gull (Creagrus furcatus) with hungry chick, on North Seymour Island, part of the Galapagos Chain.
The habitat of the federally endangered Iowa Pleistocene snail (Discus macclintocki).
Children crawl through a tunnel inside a huge aquatic exhibit at the Houston Zoo.
Portrait of a young boy with light seeping from blinds across his face.
A mother holding her baby daughter in warm golden light.
Sandhill cranes (Grus canadensis) at Rowe Audubon Sanctuary on the Platte River.
A Kenyan man in his suburban Lincoln home.
A father and son play together in their home in Lincoln, Nebraska.
A banded argiope garden spider (Argiope trifasciata) hangs on its web in Walnut, Iowa.
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