764-2256 - Female Gambel's quail (Callipepla gambelii), Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-2253 - Black-necked stilt (Himantopus mexicanus) wading while feeding, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-2302 - Juvenile double-crested cormorant (Phalacrocorax auritus) spreading its wings to dry, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-2245 - American avocet (Recurvirostra americana) in flight, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-2251 - Snowy egret (Egretta thula), Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-2242 - Eared Grebe (Podiceps nigricollis) floating, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-2243 - Clark's Grebe (Aechmophorus clarkii) floating, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-2240 - Western grebe (Aechmophorus occidentalis) floating, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-2193 - Whitetail prairie dog (Cynomys luscurus), Arapaho National Wildlife Refuge, Colorado, United States of America, North America

764-2195 - Common snipe (Gallinago gallinago), Arapaho National Wildlife Refuge, Colorado, United States of America, North America

764-2194 - Common snipe (Gallinago gallinago), Arapaho National Wildlife Refuge, Colorado, United States of America, North America

828-41 - Bosque de Apache National Wildlife Refuge, Socorro, New Mexico, United States of America, North America

764-1884 - Great egret (Ardea alba) in breeding plumage, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-1883 - Black-necked stilt (Himantopus mexicanus), Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

817-191098 - Rafting action on the Caning river ANWR, Alaska, USA

817-191277 - Landscape view of river and landscape in the Arctic National Wildlife Refuge

817-191096 - Rafting action on the Caning river ANWR, Alaska, USA

817-127710 - Snow Goose (Chen caerulescens), Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-127708 - Snow Geese and Ross's Geese (Chen caerulescens, Ch, rossii) in winter range, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-148448 - Sandhill crane, Grus canadensis, Kanadakranich, in flight, one flying over flock of Snow Geese at sunset, winter quarters, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-148457 - Sandhill crane, Grus canadensis, Kanadakranich, two flying, in flight, winter quarters, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-148426 - Snow goose, Anser caerulescens, Schneegans, one in flight, take off, winter quarters, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-148465 - Sandhill crane, Grus canadensis, Kanadakranich, one flying, in flight after take off, winter quarters, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-148463 - Sandhill crane, Grus canadensis, Kanadakranich,two standing in water, winter quarters, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-148447 - Snow goose, Anser caerulescens, Schneegans, three in flight, take off, winter quarters, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-148454 - Sandhill crane, Grus canadensis, Kanadakranich, group standing in water, winter quarters, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-148468 - Sandhill crane, Grus canadensis, Kanadakranich, one standing in water, winter quarters, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-127709 - Snow Geese and Ross's Geese (Chen caerulescens, Ch, rossii) in winter range, Bosque del Apache National Wildlife Refuge, New Mexico, USA

817-122720 - Lichens (Lepraria) on basalt rock, Malheur National Wildlife Refuge, Eastern Oregon, USA

817-123665 - Rocky Mountain junipers overlooking Little Missouri River Valley, Theodore Roosevelt National Park, North Dakota

817-98131 - Photographer photographing riparian habitats next to SUV in the Merced National Wildlife Refuge, Central Valley, California, USA

817-114722 - Kilauea Point Lighthouse, Kilauea National Wildlife Refuge, Island of Kauai, Hawaii

764-1724 - Greater Roadrunner (Geococcyx californianus), Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-1697 - Pink clouds and pond at sunrise, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-1672 - Two Sandhill Cranes (Grus canadensis) in flight in early morning light, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-1671 - Two Sandhill Cranes (Grus canadensis) in flight in late afternoon light, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-1725 - Greater Roadrunner (Geococcyx californianus), Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

718-1655 - Great egrets (Casmerodius albus) and roseate spoonbills (Ajaia ajaja) looking for fish in pond, Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

718-1664 - Tricolored herons (Egretta tricolor) standing in water, Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

718-1668 - Great blue heron (Ardea herodias) with fish, standing in water, Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

718-1666 - Wood Stork (Mycteria Americana) spreading wings and Roseate Spoonbills (Ajaia ajaja), Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

718-1651 - Brown Pelican (Pelecanus occidentalis) in flight, Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

718-1653 - Great egrets (Casmerodius albus), great blue heron (Ardea herodias) and roseate spoonbills (Ajaia ajaja), looking for fish in pond, Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

718-1661 - Great Egrets (Casmerodius albus) in a pond looking for fish, Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

718-1662 - Roseate spoonbill (Ajaia ajaja) in flight, Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

718-1657 - Yellow-crowned Night Heron (Nyctanassa violacea) standing in water, Sanibel Island, J. N. Ding Darling National Wildlife Refuge, Florida, United States of America, North America

764-1512 - American White Pelican (Pelecanus erythrorhynchos) in flight shortly after taking off, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-1511 - American White Pelican (Pelecanus erythrorhynchos), Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-1510 - Great Egret (Ardea alba) with a fish, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-1509 - Short-Billed Dowitcher (Limnodromus griseus) reflected at sunset, Sonny Bono Salton Sea National Wildlife Refuge, California, United States of America, North America

764-1248 - Sandhill crane (Grus canadensis) in flight, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-1247 - Sandhill crane (Grus canadensis) taking off, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-1246 - Sandhill crane (Grus canadensis) in flight, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-1153 - Common snipe (Gallinago gallinago), Arapaho National Wildlife Refuge, Colorado, United States of America, North America

764-370 - Snow goose (Chen caerulescens) flock at dawn after a blast off, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

777-1057 - St. Marks National Wildlife Refuge, Tallahassee, Florida, United States of America, North America

764-419 - Snow goose (Chen caerulescens) in flight, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-417 - Sandhill crane (Grus canadensis) in flight, Bosque Del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-293 - Bare tree reflected in a floodplain, Bosque del Apache, National Wildlife Refuge, New Mexico, United States of America, North America

777-420 - Saguaro cactus at sunrise, Kofa National Wildlife Refuge, Quartzsite, Arizona, United States of America, North America

685-1062 - Kilauea Lighthouse, Kilauea Point, National Wildlife Refuge, Island of Kauai, Hawaii, United States of America, Pacific, North America

685-1061 - Kilauea Lighthouse, Kilauea Point, National Wildlife Refuge, Island of Kauai, Hawaii, United States of America, Pacific, North America

752-1503 - Reflection of clouds in water, Okefenokee National Wildlife Refuge, Georgia, USA

752-1502 - Boardwalk in the forest, Okefenokee National Wildlife Refuge, Georgia, USA

757-56 - Flamingos, Celestun National Wildlife Refuge, Yucatan, Mexico, North America

764-227 - Bull elk (Cervus canadensis) in the snow, National Elk Refuge, Jackson, Wyoming, United States of America, North America

764-73 - Roseate spoonbill (Ajaia ajaja), J. N. "Ding" Darling National Wildlife Refuge, Florida, United States of America, North America

764-198 - Bare tree reflected in the water of a floodplain, Bosque del Apache National Wildlife Refuge, New Mexico, United States of America, North America

764-76 - Brown pelican (Pelicanus occidentalis), J. N. "Ding" Darling National Wildlife Refuge, Florida, United States of America, North America

764-75 - Yellow-crowned night heron (Nyctanassa violacea), J. N. "Ding" Darling National Wildlife Refuge, Florida, United States of America, North America

641-3959 - Flamingos, Celestun National Wildlife Refuge, Celestun, Yucatan, Mexico, North America

641-3968 - Flamingos, Celestun National Wildlife Refuge, Celestun, Yucatan, Mexico, North America

641-3982 - Eco Paraiso Hotel, Celestun National Wildlife Refuge, Mexico, North America