Unidentified brown duck in the clear shallow waters. Notice its tiger-like striping and its distinctive steel-blue bill.
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Unidentified Blue-Billed Duck
Unidentified brown duck in the clear shallow waters. Notice its tiger-like striping and its distinctive steel-blue bill.
Flock of Northern Pintail Ducks
A flock of wintering northern pintail ducks takes flight in Northern Honshu, Japan. This photo was taken as part of a study to understand the migratory movements of this species and to assess if these birds could transmit highly pathogenic avian influenza from Asia to North America via Alaska.
A flock of wintering northern pintail ducks takes flight in Northern Honshu, Japan. This photo was taken as part of a study to understand the migratory movements of this species and to assess if these birds could transmit highly pathogenic avian influenza from Asia to North America via Alaska.
Northern Pintail Ducks and Whooper Swans
A resident of Iwate Prefecture feeds a wintering flock of northern pintail ducks and whooper swans in Northern Honshu, Japan. In spring of 2008, both of these species occurred on wetlands in Japan where the highly pathogenic H5N1 strain of avian influenza was detected and several swans died from exposure to the virus.
A resident of Iwate Prefecture feeds a wintering flock of northern pintail ducks and whooper swans in Northern Honshu, Japan. In spring of 2008, both of these species occurred on wetlands in Japan where the highly pathogenic H5N1 strain of avian influenza was detected and several swans died from exposure to the virus.
Early life stage white sturgeon
Early life stage white sturgeon swimming in a laboratory tank.
Early life stage white sturgeon swimming in a laboratory tank.
Northern Pintail Ducks and Whooper Swans
A resident of Iwate Prefecture feeds a wintering flock of northern pintail ducks and whooper swans in Northern Honshu, Japan. In spring of 2008, both of these species occurred on wetlands in Japan where the highly pathogenic H5N1 strain of avian influenza was detected and several swans died from exposure to the virus.
A resident of Iwate Prefecture feeds a wintering flock of northern pintail ducks and whooper swans in Northern Honshu, Japan. In spring of 2008, both of these species occurred on wetlands in Japan where the highly pathogenic H5N1 strain of avian influenza was detected and several swans died from exposure to the virus.
Northern Pintail
The USGS conducts surveillance and research nationwide on wildlife diseases that could be harmful to domestic animals and humans.
The USGS conducts surveillance and research nationwide on wildlife diseases that could be harmful to domestic animals and humans.
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.
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.
Wild Turkeys (Meleagris gallopavo)
Three members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Three members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
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.
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 Refuge, Wyoming. Grand Teton and Grand Teton National Park are in the background.
Elk 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 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.