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See our science through the images below.

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Image: Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)

Five members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.

Five members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.

Image: Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)

Eight members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.

Eight members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.

Image: Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)
Wild Turkeys (Meleagris gallopavo)

Fourteen members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.

Fourteen members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.

Image: Wood Duck
Wood Duck
Wood Duck
Wood Duck

This duck was up in the tress courting

This duck was up in the tress courting

Image: Downstream Rio Nigua at Camp Santiago
Downstream Rio Nigua at Camp Santiago
Downstream Rio Nigua at Camp Santiago
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 standing in the snow
Bison being fed on the National Elk Refuge
Bison being fed on the National Elk Refuge
Bison being fed on the National Elk Refuge

Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.

Bison standing in the snow
Bison being fed on the National Elk Refuge
Bison being fed on the National Elk Refuge
Bison being fed on the National Elk Refuge

Supplemental feeding of bison on the National Elk Refuge, Wyoming in February 2008.

Elk and bison standing in the snow
Elk and bison being fed on the National Elk Refuge
Elk and bison being fed on the National Elk Refuge
Elk and bison being fed on the National Elk Refuge

Elk and bison being fed on the National Elk Refuge, Wyoming. Grand Teton and Grand Teton National Park are in the background.

Image: Preening Anhinga
Preening Anhinga
Preening Anhinga
Preening Anhinga

Anhinga preening while perched on a white mangrove tree.

Anhinga preening while perched on a white mangrove tree.

Image: American Coots (Fulica americana)
American Coots (Fulica americana)
American Coots (Fulica americana)
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.

Image: American Coots (Fulica americana)
American Coots (Fulica americana)
American Coots (Fulica americana)
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.

Image: American Avocets and Egret 1
American Avocets and Egret 1
American Avocets and Egret 1
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.

Image: American Avocets and Egret 2
American Avocets and Egret 2
American Avocets and Egret 2
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.

Image: American Coots (Fulica americana)
American Coots (Fulica americana)
American Coots (Fulica americana)
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.

Image: Wolf in Yellowstone National Park
Wolf in Yellowstone National Park
Wolf in Yellowstone National Park
Wolf in Yellowstone National Park

Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.

Image: Wolf in Yellowstone National Park
Wolf in Yellowstone National Park
Wolf in Yellowstone National Park
Wolf in Yellowstone National Park

Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.

Image: Wolf in Yellowstone National Park
Wolf in Yellowstone National Park
Wolf in Yellowstone National Park
Wolf in Yellowstone National Park

Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.

Aerial view of the National Elk Refuge  with Inset Map of Montana, Idaho, and Wyoming
Aerial view of the National Elk Refuge & Inset Map
Aerial view of the National Elk Refuge & Inset Map
Aerial view of the National Elk Refuge & Inset Map

Aerial 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 (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.

Image: Post-Harvest Rice Straw
Post-Harvest Rice Straw
Post-Harvest Rice Straw
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.

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