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  • Denver Holt, biologist for the Owl Research Institute in Charlo, Montana, looking for the northern pygmy owl (Glaucidium gnoma) in a forest of northern Montana.
    D00007963.jpg
  • Dr. Steve Amstrup, lead biologist for the USGS polar bear capture project, instructing a co-worker on the fine points of shooting a dart gun at a running polar bear from a moving helicopter. Kaktovik, Alaska
    D125196.jpg
  • Dr. Steve Amstrup, USGS biologist, and assistant Karyn Rode preparing to collect data from a small female polar bear (Ursus maritimus). Beaufort Sea ice pack, Kaktovik, Alaska
    D125131.jpg
  • Denver Holt, biologist for the Owl Research Institute in Charlo, Montana, setting up  using a peeper camera to observe the Northern Pygmy Owl (Glaucidium californicum).
    D00008106.jpg
  • Geoff York, USGS biologist, takes a blood sample of a darted polar bear. Kaktovik, Alaska
    D123567.jpg
  • Matt Seidensticker, a biologist from the Owl Research Institute out of Charlo, Montana, studying and recording information on a fledging Northern Hawk Owl (Surnia ulula).
    D000086893.jpg
  • Geoff York, USGS biologist, prepares a radio collar while Katrina Knott, research assistant, paints an ID number on the back of a polar bear. The ID number is to make it easy to see from the air that the bear was captured already.
    D123748.jpg
  • Denver Holt, biologist for the Owl Research Institute in Charlo, Montana, studying the Northern Pygmy Owl (Glaucidium gnoma) Montana.
    D00007607.jpg
  • Geoff York, USGS biologist, organizing field gear in the garage of the USGS field research station, with polar bear radio collars sitting on the counter in the foreground. Kaktovik, Alaska
    D123846.jpg
  • Geoff York, USGS biologist, prepares a polar bear (Ursus maritimus) darted from the air for data collection. Kaktovik, Alaska
    D123631.jpg
  • Biologist moving problem polar bears (Ursus maritimus) out of Churchill. Manitoba, Canada
    00473-39204.jpg
  • Geoff York, a USGS biologist and Katrina Knott, research assistant, collecting data from a polar bear (Ursus maritimus) on the Beaufort Sea ice. Kaktovik, Alaska.
    D123712.jpg
  • Geoff York a USGS biologist, prepares a radio collar while Katrina Knott, research assistant, painting an ID number on the back of a polar bear. The ID number is to make it easy to see from the air that the bear was captured already. Kaktovik, Alaska
    D123739.jpg
  • Canadian biologist Dr. Ian Stirling, considered the grandfather of polar bear research, checks his camera on a Tundra Buggy as a guest of Polar Bears International.
    D189262.jpg
  • Dr. Steve Amstrup, USGS biologist, and field assistant Karyn Rode taking field data from an immobilized large male polar bear.
    D124554.jpg
  • Matt Seidensticker, a biologist from the Owl Research Institute out of Charlo, Montana. studying and recording information on fledging Northern Hawk Owl.
    D000086963.jpg
  • Geoff York, USGS biologist, collecting data from a polar bear on the Beaufort Sea ice.
    D123716.jpg
  • Steve Amstrup, lead USGS biologist, paints a number on the back of an immobilized large male polar bear that was darted for research purposes. Kaktovik, Alaska
    D124009.jpg
  • Steve Amstrup, lead USGS biologist, taking field data from an immobilized large male polar bear. Kaktovik, Alaska
    D123981.jpg
  • Steve Amstrup , USGS biologist, taking field data from an immobilized large male polar bear (Ursus maritimus). Kaktovik, Alaska.
    D123939.jpg
  • Steve Amstrup, lead biologist for the USGS, leans out of a research helicopter to take aim at a running polar bear to be darted for data collection. Beaufort Sea ice, Kaktovik, Alaska
    D123902.jpg
  • Geoff York, USGS biologist, collecting data from a polar bear (Ursus maritimus)  on the Beaufort Sea ice. This female bear will receive a radio collar for future tracking.  Kaktovik, Alaska
    D123697.jpg
  • Geoff York, USGS biologist, and Katrina Knott, research assistant, prepare a polar bear to start doing their research.
    D123636.jpg
  • Biologist moving problem polar bears (Ursus maritimus) out of Churchill. Manitoba, Canada
    00473-39201.jpg
  • Geoff York, USGS biologist, and his assistant take weight measurements of a captured polar bear on the pack ice of the Beaufort Sea.
    D124412.jpg
  • Steve Amstrup and Geoff York, USGS biologists, taking field data from a large, immobilized male polar bear (Ursus maritimus). Kaktovik, Alaska
    D123954.jpg
  • Biologists moving problem polar bears out of Churchill, Manitoba, Canada.
    00473-39220.jpg
  • Steve Amstrup and Geoff York, USGS biologists, taking blood from an immobilized large male polar bear.
    D123997.jpg
  • Steve Amstrup and Geoff York, USGS biologists, taking blood from an immobilized large male polar bear.
    D123995.jpg
  • Steve Amstrup and Geoff York, USGS biologists, taking a biopsy from an immobilized large male polar bear.
    D123949.jpg
  • A helicopter with biologists from the USGS approach a polar bear they recently shot with an immobilization drug. He'll soon be down so they can perform their field research and data collection.
    D124156.jpg
  • Steve Amstrup and Geoff York, USGS biologists, taking field data from an immobilized large male polar bear.
    D123977.jpg
  • Dr. Steve Amstrup, USGS bioogist, analyzing data from recent polar bear captures at the U.S. Fish and Wildlife house in Kaktovik, Alaska.
    D125070.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Laura Phillips prepare to weigh female. Barrow, Alaska.
    00674-08905.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt reviews sattelite map of owl movements from Russia to US. Barrow, Alaska.
    00674-07116.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and Laura Phillips work on noose carpet trap on jacket. Barrow, Alaska.
    00674-10611.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and Laura Phillips with captured female. Barrow, Alaska.
    00674-10114.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt takes GPS reading on owl nest. Barrow, Alaska.
    00674-09710.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver. Alaska Holt and Laura Phillips prepare female for satellite transmitter. Barrow, Alaska
    00674-08820.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Laura Phillips banding female owl. Barrow, Alaska.
    00674-08018.jpg
  • Snowy Owl, (Nyctea scandiaca) Matt Seidensticker and Denver Holt going out to owl nests. Barrow, Alaska.
    00674-07607.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt with injured owl. Barrow, Alaska.
    00674-04710.jpg
  • Snowy Owl, (Nyctea scandiaca) Nuk and Denver Holt band chicks before release. Barrow, Alaska
    00674-00110.jpg
  • Denver Holt, Coordinator of the Owl Institute in Charlo, Montana in research library at the facilities.
    D00005196.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt tries to catch lemming at hole. Barrow, Barrow, Alaska.
    00674-08502.jpg
  • Snowy Owl, (Nyctea scandiaca) Laura Phillips holding owl chicks. Barrow, Alaska.
    00674-07713.jpg
  • Merav Ben David holds up two vials of blood, one taken from a mother polar bear and the other from her cub. Arrctic Ocean
    D228402.jpg
  • Dr. Steve Amstrup and assistant Karyn Rode make good use of their time while waiting for clear weather. Kaktovik, Alaska.
    D125639.jpg
  • Merav Ben David puts a blood sample in a Blood Hematology Analyzer aboard the Polar Sea icebreaker.
    D228393.jpg
  • Snowy Owl (Nyctea scandiac) talons. Barrow, Alaska.
    00674-09115.jpg
  • Snowy Owl, (Nyctea scandiac) Laura Phillips and Matt Seidensticker prepare noose carpet trap. Barrow, Alaska
    00674-10219.jpg
  • Snowy Owl, (Nyctea scandiaca) Linda Schueck measureing owl for satellite transmitter. Barrow, Alaska.
    00674-04716.jpg
  • Environmental Education - Denver Holt, Director of The Owl Research Institute of Charlo, Montana.
    D00037402.jpg
  • Snowy Owl, (Nyctea scandiaca) Laura Phillips holding owl chicks. Barrow, Alaska.
    00674-07710.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt using noose carpet trap on jacket to catch male owl. Barrow, Alaska
    00674-08520.jpg
  • Snowy Owl(Nyctea scandiaca) Denver Holt places chicks in crevice, keeping chicks out of wind. Barrow, Alaska.
    00674-00209.jpg
  • Snowy Owl, (Nyctea scandiaca) Nuk leads Denver Holt to nest site. Barrow, Alaska.
    00674-00105.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and Laura Phillips work on noose carpet trap on jacket. Barrow, Alaska.
    00674-10614.jpg
  • Snowy Owl, (Nyctea scandiac) Jimmy Olemaun,native boy and Denver Holt checking chicks. Barrow, Alaska.
    00674-10408.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and Laura Phillips banding chick. Barrow, Alaska.
    00674-10102.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and researchers prepare nest site for live trap. Barrow, Alaska
    00674-09903.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and Laura Phillips prepare fenale for satellite transmitter. Barrow, Alaska.
    00674-09219.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and Laura Phillips prepare fenale for satellite transmitter. Barrow, Alaska.
    00674-09214.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver. Alaska Holt and Laura Phillips prepare female for satellite transmitter. Barrow, Alaska
    00674-08814.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt covers females head to attach satellite transmitter. Barrow, Alaska
    00674-08807.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Laurie Phillips prepares Bal-Shatri trap for owls. Barrow, Alaska
    00674-07903.jpg
  • Snowy Owl, (Nyctea scandiaca) Matt Seidensticker and Denver Holt going out to owl nests. Barrow, Alaska.
    00674-07510.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt in research office. Barrow, Alaska.
    00674-05501.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Matt Seidensticker with owl prey specimen collection. Barrow, Alaska.
    00674-07415.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt checks out adult on electrical pole.Barrow, Alaska.
    00674-04814.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt taking field notes of chicks. Barrow, Alaska.
    00674-04812.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Julie Peterson with chicks. Barrow, Alaska.
    00674-04813.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt in office. Barrow, Alaska.
    00674-04807.jpg
  • Denver Holt, Coordinator of the Owl Institute in Charlo, Montana in research library at the facilities.
    D00005199.jpg
  • Snowy Owl, (Nyctea scandiac) Laura Phillips attaches noose carpet trap on to Denver Holt. Barrow, Alaska.
    00674-10716.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and Laura Phillips with captured female. Barrow, Alaska.
    00674-10104.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt prepares to weigh chick. Barrow, Alaska.
    00674-09620.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt checking chick in nest. Barrow, Alaska.
    00674-08720.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt using noose carpet trap on jacket to catch male owl. Barrow, Alaska
    00674-08601.jpg
  • Snowy Owl, (Nyctea scandiaca) Removing mouse trap line from talon. Barrow, Alaska.
    00674-08208.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Laura Phillips put on booties, protection from talons. Barrow, Alaska.
    00674-08112.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Laura Phillips banding female owl. Barrow, Alaska.
    00674-08013.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt with chick. Barrow, Alaska.
    00674-04809.jpg
  • Dr. Steve Amstrup working with a female polar bear that is coming out of an immobilizing drug on the Beaufort Sea ice pack.
    D125193.jpg
  • Dr. Steven Amstrup meets with Jane Goodall at the Association of Zoos and Aquariums conference in Portland, Oregon.
    D225710.jpg
  • Snowy Owl, (Nyctea scandiac) Matt Seidensticker takes GPS reading from nest. Barrow, Alaska.
    00674-09807.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and researchers prepare live live trap. Barrow, Alaska
    00674-09913.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt releases female with satellite transmitter. Barrow, Alaska.
    00674-08317.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Laura Phillips on tundra trail heading to nest site. Barrow, Alaska
    00674-07701.jpg
  • Snowy Owl, (Nyctea scandiaca) Matt Seidensticker and Denver Holt going out to owl nests. Barrow, Alaska.
    00674-07509.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Julie Peterson check nests. Barrow. Alaska.
    00674-04810.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt watches over chick. Barrow, Alaska.
    00674-04717.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt in office. Barrow, Alaska.
    00674-04806.jpg
  • Snowy Owl, (Nyctea scandiaca) Nuk leads Denver Holt to nest site. Barrow, Alaska.
    00674-00104.jpg
  • Snowy Owl, (Nyctea scandiac) Examining chick. Barrow, Alaska.
    00674-09920.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt taking data on nest site. Barrow. Alaska.
    00674-09818.jpg
  • Snowy Owl, (Nyctea scandiac) Denver Holt and Laura Phillips prepare fenale for satellite transmitter. Barrow, Alaska.
    00674-09311.jpg
  • Snowy Owl, (Nyctea scandiaca) Preparing female to fit satellite transmitter on back. Barrow, Alaska.
    00674-08305.jpg
  • Snowy Owl, (Nyctea scandiaca) Denver Holt and Julie Peterson with representative of Inupiat Corp. Barrow, Alaska.
    00674-04808.jpg
  • Geoff York, USGS biologist, and Katrina Knott, research assistant, collect data from a polar bear (Ursus maritimus) on the Beaufort Sea ice. Kaktovik, Alaska
    D123694.jpg
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