This duck was up in the tress courting
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Wood Duck
This duck was up in the tress courting
Downstream Rio Nigua at Camp Santiago
This is a downstream view of the Río Nigua at Camp Santiago. The stream is dry. The location is about 17º59'50"N, 66º17'15" W and the elevation is about 15 m.
This is a downstream view of the Río Nigua at Camp Santiago. The stream is dry. The location is about 17º59'50"N, 66º17'15" W and the elevation is about 15 m.
Bison being fed on the National Elk Refuge
Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.
Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.
Bison being fed on the National Elk Refuge
Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.
Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.
Elk and bison being fed on the National Elk Refuge
Elk and bison being fed on the National Elk RefugeElk and bison being fed on the National Elk Refuge, Wyoming. Grand Teton and Grand Teton National Park are in the background.
Elk and bison being fed on the National Elk Refuge
Elk and bison being fed on the National Elk RefugeElk and bison being fed on the National Elk Refuge, Wyoming. Grand Teton and Grand Teton National Park are in the background.
Preening Anhinga
Anhinga preening while perched on a white mangrove tree.
Anhinga preening while perched on a white mangrove tree.
American Coots (Fulica americana)
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American Coots (Fulica americana)
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American Avocets and Egret 1
Formation of American avocets proceeding through shallow water. As they feed, they are accompanied by a wading egret, possibly a Reddish egret.
Formation of American avocets proceeding through shallow water. As they feed, they are accompanied by a wading egret, possibly a Reddish egret.
American Avocets and Egret 2
Formation of American avocets proceeding through shallow water. As they feed, they are accompanied by a wading egret, possibly a Reddish egret.
Formation of American avocets proceeding through shallow water. As they feed, they are accompanied by a wading egret, possibly a Reddish egret.
American Coots (Fulica americana)
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
Wolf in Yellowstone National Park
Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.
Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.
Wolf in Yellowstone National Park
Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.
Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.
Wolf in Yellowstone National Park
Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.
Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.
A fire ecologist takes pictures of the location of the Red Eagle Fire.
A fire ecologist takes pictures of the location of the Red Eagle Fire.A fire ecologist takes pictures of the location of the Red Eagle Fire in Montana, 2007.
A fire ecologist takes pictures of the location of the Red Eagle Fire.
A fire ecologist takes pictures of the location of the Red Eagle Fire.A fire ecologist takes pictures of the location of the Red Eagle Fire in Montana, 2007.
An elk grazes in Yellowstone National Park.
Aerial view of the National Elk Refuge & Inset Map
Aerial view of the National Elk Refuge & Inset MapAerial view of the National Elk Refuge (left) and the town of Jackson, Wyoming (right) with inset map of study area including the National Elk Refuge and areas around the refuge of winter elk habitat.
Aerial view of the National Elk Refuge & Inset Map
Aerial view of the National Elk Refuge & Inset MapAerial view of the National Elk Refuge (left) and the town of Jackson, Wyoming (right) with inset map of study area including the National Elk Refuge and areas around the refuge of winter elk habitat.
Post-Harvest Rice Straw
After harvest, fields are reflooded to decay the remaining straw. This decaying material can fuel the bacteria that create methylmercury, even during the cold months.
After harvest, fields are reflooded to decay the remaining straw. This decaying material can fuel the bacteria that create methylmercury, even during the cold months.
Taking surface sediment measurements at Crissy Marsh in San Francisco, CA.
Taking surface sediment measurements at Crissy Marsh in San Francisco, CA.USGS researcher Jennifer Agee taking surface sediment oxidation-reduction and pH measurements at Crissy Marsh, a vegetated saltmarsh near the Golden Gate Bridge (background) in San Francisco, CA. Photographer: L. Windham-Myers.
Taking surface sediment measurements at Crissy Marsh in San Francisco, CA.
Taking surface sediment measurements at Crissy Marsh in San Francisco, CA.USGS researcher Jennifer Agee taking surface sediment oxidation-reduction and pH measurements at Crissy Marsh, a vegetated saltmarsh near the Golden Gate Bridge (background) in San Francisco, CA. Photographer: L. Windham-Myers.
Adult Alligator
Large adult
Blue Ridge Parkway in Autumn
A section of the Blue Ridge Parkway in North Carolina with many fall colors underway.
A section of the Blue Ridge Parkway in North Carolina with many fall colors underway.