This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
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Whooping Crane Chick L9-10
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
Whooping Crane Chick L10-10
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
The USGS Whooping Crane Flock Ice Skating
A class photo! The entire gang of adolescent whooping crane chicks appear to be ice skating at the USGS Patuxent Wildlife Research Center in Laurel, Md.
A class photo! The entire gang of adolescent whooping crane chicks appear to be ice skating at the USGS Patuxent Wildlife Research Center in Laurel, Md.
The USGS Whooping Crane Flock Class Picture
A class photo! The entire gang of adolescent whooping crane chicks together at the USGS Patuxent Wildlife Research Center in Laurel, Md. The chicks, hatched and raised by USGS caretakers, are being released into the wild in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
A class photo! The entire gang of adolescent whooping crane chicks together at the USGS Patuxent Wildlife Research Center in Laurel, Md. The chicks, hatched and raised by USGS caretakers, are being released into the wild in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
Whooping Crane Chick L1-10
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
Whooping Crane Chick L2-10
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
Whooping Crane Chick L3-10
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
This adolescent chick, hatched and raised at the USGS Patuxent Wildlife Research Center, is one of ten whooping cranes being released in Louisiana in February 2011. It is a milestone for the state and for the birds, which have not lived in the state since the 1950s.
Fishway Entrance Study Construction
EESC research engineers and technicians build a full-scale prototype of a fishway entrance in the S.O. Conte Research Laboratory's flume facility
EESC research engineers and technicians build a full-scale prototype of a fishway entrance in the S.O. Conte Research Laboratory's flume facility
Wood Frog
This is an adult wood frog (Lithobates sylvaticus). Wood frogs are most commonly found in the early spring, when they gather in vernal pools to breed and lay eggs. This species can be easily identified by the dark 'mask' markings behind the eye.
This is an adult wood frog (Lithobates sylvaticus). Wood frogs are most commonly found in the early spring, when they gather in vernal pools to breed and lay eggs. This species can be easily identified by the dark 'mask' markings behind the eye.
Wood Frog Eggs
Wood frogs (Lithobates sylvaticus) lay their eggs in large clusters in the early spring. They prefer to lay their eggs in vernal pools, which hold water for only part of the year.
Wood frogs (Lithobates sylvaticus) lay their eggs in large clusters in the early spring. They prefer to lay their eggs in vernal pools, which hold water for only part of the year.
Malignant melanoma in brown bullhead
Melanoma in brown bullhead from Lake Memphremagog, Vermont
Melanoma in brown bullhead from Lake Memphremagog, Vermont
Measuring Trail Degradation, Mudhole
Three field staff assessing trail conditions at one of more than 3000 trail transects along the Appalachian Trail. This transect sampled a rare mudhole in Vermont.
Three field staff assessing trail conditions at one of more than 3000 trail transects along the Appalachian Trail. This transect sampled a rare mudhole in Vermont.
Redhead
Redhead, Aythya americana, are one of many species of waterfowl regularly seen as part of the Christmas Bird Count at Patuxent Research Refuge. This male redhead was observed at Knowles Marsh on the central tract of the refuge.
Redhead, Aythya americana, are one of many species of waterfowl regularly seen as part of the Christmas Bird Count at Patuxent Research Refuge. This male redhead was observed at Knowles Marsh on the central tract of the refuge.
Eastern Bluebird
A flock of Eastern Bluebirds at the Patuxent Research Refuge. Species Population Dynamics & Surveillance Capability Team.
A flock of Eastern Bluebirds at the Patuxent Research Refuge. Species Population Dynamics & Surveillance Capability Team.
Weddell Seal Research at Erebus Bay, Antarctica
Mount Erebus in background of Inaccessible Island. Images were obtained under NMFS Permit No: 1032-1917.
Mount Erebus in background of Inaccessible Island. Images were obtained under NMFS Permit No: 1032-1917.
Weddell Seal Research at Erebus Bay, Antarctica
Photo by USGS scientist William A Link at Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Photo by USGS scientist William A Link at Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Weddell Seal Research at Erebus Bay, Antarctica
A lone penguin Images were obtained under NMFS Permit No: 1032-1917.
A lone penguin Images were obtained under NMFS Permit No: 1032-1917.
Weddell Seal Research at Erebus Bay, Antarctica
Penguins huddle together near Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Penguins huddle together near Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Weddell Seal Research at Erebus Bay, Antarctica
Seals rest near Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Seals rest near Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Weddell Seal Research at Erebus Bay, Antarctica
Technician recording seals' tag information in field notebook and portable computer. Cold!
Photo by USGS scientist William A Link at Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Technician recording seals' tag information in field notebook and portable computer. Cold!
Photo by USGS scientist William A Link at Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Weddell Seal Research at Erebus Bay, Antarctica
Photo by USGS scientist William A Link at Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.
Photo by USGS scientist William A Link at Erebus Bay, Antarctica. Images were obtained under NMFS Permit No: 1032-1917.