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| The eider field crew at Big Slough in the Yukon Delta National Wildlife Refuge in 2008. From left: Matt Sexson, Dan Mulcahy, Rob Schuckard, Sarah Lovibond, Jennifer Steffen, Chuck Steffen, Keith Woodley, and Ty Donnelly. Photo by Matt Sexson, USGS. |
Aerial photo of eiders congregated at the wintering area in March 2009. Photo by Bill Larned. |
A female Spectacled Eider on her nest in the Yukon Delta National Wildlife Refuge, Alaska in May 2008. Photo by Matt Sexson, USGS. |
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| A female Spectacled Eider on her nest in the Yukon Delta National Wildlife Refuge, Alaska in June 2008. Photo by Matt Sexson, USGS. |
Aerial photo of the USGS field camp in the Colville River delta, Alaska in July 2009. Photo by Jennifer Stephen. |
The eider field crew at the Colville River delta in July 2009. From left: Matt Sexson, Katie Weber, Chuck Steffen, Jennifer Steffen, Dan Mulcahy, and Steph Walden. Photo by Jennifer Steffen. |
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| The eider field crew at the Colville River delta in June 2009. From left: Maria Spriggs, Gwen Myers, Ty Donnelly, and Katie Weber. Photo by Gwen Myers. |
Biologist Ty Donnelly removes a male and female Spectacled Eider from a mist net in the Colville River delta in June 2009. |
A male Spectacled Eider following implantation of a satellite transmitter in the Colville River delta in June 2009. |
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| Male Spectacled Eiders following implantation of satellite transmitters in the Yukon Delta National Wildlife Refuge in May 2008. Photo by Rob Schuckard. |
Biologist Matt Sexson measures the head of a male Spectacled Eider. Photo by Darryl Heard. |
The satellite transmitter that is used to track each eider. Photo by Gwen Myers. |
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| Mist net and decoy setup used to catch Spectacled Eiders in the National Petroleum Reserve – Alaska, June 2009. Photo by Matt Sexson, USGS. |
Biologist Matt Sexson removes a female Spectacled Eider from a mist net. Photo by Jennifer Steffen. |
Eggs hatching in a Spectacled Eider nest in the Colville River delta in July 2009. Photo by Steph Walden. |
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| Veterinarians draw blood from a male Spectacled Eider. From left: Maria Spriggs and Gwen Myers. Photo by Ty Donnelly, USGS. |
Veterinarians implant a satellite transmitter in a male Spectacled Eider. From left: Gwen Myers and Maria Spriggs. Photo by Ty Donnelly, USGS. |
Veterinarians prepare to implant a satellite transmitter in a male Spectacled Eider. From left: Maria Spriggs, Katie Weber, and Gwen Myers. Photo by Ty Donnelly, USGS. |