Show Navigation

Search Results

Refine Search
Match all words
Match any word
Prints
Personal Use
Royalty-Free
Rights-Managed
(leave unchecked to
search all images)
{ 582 images found }

Loading ()...

  • Denver Holt gets ready to band an adult northern pygmy owl. Montana
    D00007675-P.jpg
  • Dr. Steven C. Amstrup checks the paw of polar bear (Ursus maritimus) #20571, a large male that had been tagged years earlier. Kaktovik, Alaska
    D123973.jpg
  • Beth and Denver banding great gray owls. Mission Valley, Montana
    D1680623.jpg
  • Denver Holt trapping great gray owl. Mission Valley. Montana
    D1680935.jpg
  • Long-eared owl, captured and ready to be banded. Missoula, Montana
    D1149261.jpg
  • Denver checking the wings of a long-eared owl. Mission Valley, Montana
    D1148458.jpg
  • Long-eared owl captured for brief data collection, soon to be released. Missoula, Montana
    D1148454.jpg
  • A radio-collared polar bear (Ursus maritimus) makes its way across the broken ice pack of the Beaufort Sea. Arctic Ocean
    D232980.jpg
  • Denver Holt and Laura Phillips with a captured female snowy owl (Bubo scandiacus). Barrow, Alaska
    00674-10207.jpg
  • Denver Holt places a Snowy Owl (Bubo scandiacus) chicks in a crevice, keeping them out of the wind. Barrow, Alaska
    00674-00208.jpg
  • Denver Holt keeping a Snowy Owl (Bubo scandiacus) chick warm prior to its release. Barrow, Alaska
    00674-00120.jpg
  • Denver Holt keeping a Snowy Owl (Bubo scandiacus) chick warm prior to its release. Barrow, Alaska
    00674-00203.jpg
  • Denver Holt checks Snowy Owl chicks (Bubo scandiacus) on the north slope of the Brooks Range. Alaska
    D178291.jpg
  • Denver Holt and Nuk band Snowy Owl chicks before release. Barrow, Alaska
    00674-00112.jpg
  • Nuk and Denver Holt discuss where Snowy Owl (Bubo scandiacus) chicks were taken from. Barrow, Alaska
    00674-00108.jpg
  • Denver Holt examines a Snowy Owl chick (Bubo scandiacus). Barrow, Alaska
    00674-00813.jpg
  • Denver Holt and Nuk prepare to bring Snowy Owl chicks back to the nest. Barrow, Alaska
    00674-00102.jpg
  • Steve Amstrup and Geoff York, USGS biologists, taking field data from an immobilized large male polar bear (Ursus maritimus). Kaktovik, Alaska
    D123987.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
  • Steve Amstrup and Geoff York, USGS biologists, taking field data from a large, immobilized male polar bear (Ursus maritimus). Kaktovik, Alaska
    D123954.jpg
  • Karyn Rode prepares to take data from a large male polar bear on the ice pack of the Beaufort Sea, Alaska.
    D125251.jpg
  • A polar bear (Ursus Maitimus) makes its way over the rugged ice of the Beaufort Sea in Kaktovik, Alaska.
    D123494.jpg
  • A female polar bear (Ursus maritimus) darted and weak from an immobilizing drug she received from Dr. Steve Amstrup, USGS biologist. Beaufort Sea, Alaska
    D125585.jpg
  • A female polar bear with a newly painted identifying number on her back and a radio collar around her neck, stands in a groggy disoriented state. She has just emerged from an immobilizing drug used by USGS biologist Steven Amstrup. The number is used to identify the bear from the air so she is not captured again that same year. The number wears off after a couple of weeks.
    D123598.jpg
  • The Beaufort Sea ice pack breaks into chunks during late April 2007.
    D123493.jpg
  • Dr Amstrup prepares to attach a GPS satellite tracking collar to an immobilized polar bear on the Beaufort Sea. The collars are placed on females exclusively since the necks of males get too large for them to work properly. The collars are a high tech way to follow these animals far out onto the ice where humans can't go. The bears are tracked by satellites which helps the scientists determine the home range of individual animals and other details about a particular bear's life such as length of time spent resting or hunting in one area.
    D171752.jpg
  • Polar Bear (Ursus maritimus) a large male lies immobilized on the ice as Dr. Steven Amstrup and his assistant head for a female that was darted at the same time and is down on the ice. Beaufort Sea, Alaska
    D170397.jpg
  • Dr. Steve Amstrup, USGS biologist weighing a large, male polar bear weighing 944 lbs.  on the Beaufort Sea ice pack.
    D124966.jpg
  • Dr. Steve Amstrup, leaning from a moving helicopter, takes careful aim with his dart gun used to inject an immobilizing drug into a polar bear. Beaufort Sea ice pack, Kaktovik, Alaska
    D125722.jpg
  • A polar bear (Ursus maritimus) lies spread out over the ice of the Beaufort Sea. He's immobilized from a tranquilizer and on the verge of waking after USGS biologists have just performed their field tests on him. Kaktovik, Alaska
    D123807.jpg
  • USGS biologist Dr. Steve Amstrup and assistant Karyn Rode attempt to lift a small 365-pound female polar bear on the Beaufort Sea ice pack.
    D125184-P.jpg
  • Mette Kaufman, an ice core scientist from the University of Alaska Fairbanks, climbs the ladder to the icebreaker Polar Sea while working in the Arctic Ocean.
    D230944.jpg
  • A polar bear (Ursus Maitimus) makes its way over the rugged ice of the Beaufort Sea. Kaktovik, Alaska
    D123495.jpg
  • A polar bear (Ursus maritimus) makes its way across the Beaufort Sea Ice pack. Kaktovik, Alaska
    D125880.jpg
  • Geoff York, USGS biologist, takes a blood sample of a darted polar bear. Kaktovik, Alaska
    D123567.jpg
  • Dr Steven Amstrup collects data from a polar bear on the Beaufort Sea, Alaska.
    D171516.jpg
  • Denver Holt checks Snowy Owl chicks (Bubo scandiacus) on the north slope of the Brooks Range. Alaska
    D178295.jpg
  • Denver Holt teaching Nuk about Snowy Owls. Barrow, Alaska
    00674-00115.jpg
  • Denver Holt teaching Nuk about Snowy Owls. Barrow, Alaska
    00674-00114.jpg
  • Denver Holt weighs a snowy owl (Bubo scandiacus) chick on the north slope of Brooks Range, Alaska.
    D178675.jpg
  • Denver Holt releasing a female snowy owl that has a satellite transmitter on her back.
    00674-08302.jpg
  • Snowy Owl (Bubo scandiacus) female in flight with a transmitter on her back. Barrow, Alaska
    00674-06915.jpg
  • Denver Holt in the field checking for Snowy Owl nest sites. Barrow, Alaska
    00674-04801.jpg
  • Snowy Owl (Bubo scandiacus) chicks in a nest surrounded by nearly 30 dead brown lemmings. North slope of the Brooks Range, Alaska
    D178561.jpg
  • Owl pellet dissection showing a rodent skull, mandible, tibia, scapula and other bones. Owls eat their prey whole, the digestion process removes the meat and then concentrates the remains into a pellet that is eventually regurgitated.
    D149889.jpg
  • Denver Holt at a nesting site about to be attacked by a Snowy Owl. Barrow, Alaska
    00674-08008.jpg
  • Denver Holt carrying a snowy owl (Bubo scandiacus) chick. Alaska
    D771422.jpg
  • Trackers searching for polar bear tracks within denning area of  Wapusk National Park, Manitoba, Canada. Strong winds and -35F degree temps make tracking difficult.
    D00002577.jpg
  • Female snowy owl in flight with transmitter on back, Barrow, Alaska.
    00674-07012.jpg
  • Denver Holt discusses the ecology of a long-eared owl with the local Missoula, Montana, Audubon chapter group.
    D1149288.jpg
  • Dr. Steve Amstrup, USGS biologist, and Daniel Cox use a weight bar to lift and weigh a small, 365-pound female polar bear. Beaufort Sea
    D125192.jpg
  • Denver Holt makes his way out of a ravine filled with hawthorn bushes where long eared owls roost and habitat. Missoula, Montana
    D1149187.jpg
  • BJ Kirschhoffer works on the wind turbine used to produce electricity for a remote polar bear den camera. Svalbard, Norway
    D1481013.jpg
  • The Sysselmannen of Svalbard supplied air support for the Maternal Den Study. Svalbard, Norway
    D1331461.jpg
  • John Whiteman displays the Ibutton Thermochron deep core body temperature device that is implanted into polar bears for long-term body temperature data.
    D228018.jpg
  • The Maternal Den Study team setting up a remote camera for observing a polar bear den from a great distance. Svalbard, Norway
    D1331757.jpg
  • Short-eared owl (Asio flammeus) chick. Mission Valley, Montana
    D1681690.jpg
  • Pam Coy stands in a bear den and assists in removing an immobilized black bear (Ursus americanus) for reserach data. Minnesota
    00471-12604.jpg
  • Shawn Harper and Heloise Chenelot emerge from the icy waters of the Arctic Ocean.
    D232257.jpg
  • Blood samples from a polar bear. Polar Sea icebreaker, Arctic Ocean
    D230431.jpg
  • A female polar bear (Ursus maritimus) gets electrodes attached for a test to determine body fat content called a BMI/Body Mass Index. Kaktovik, Alaska.
    D126003.jpg
  • A female polar bear (Ursus maritimus), dazed and weak from an immobilizing drug she received from Dr. Steve Amstrup, USGS biologist. Beaufrot Sea ice pack, Kaktovik, Alaska.
    D125615.jpg
  • A polar bear (Ursus maritimus) makes tracks in the snow. These tracks are important for being able to find the bears on the ice for darting and capturing. Kaktovik, Alaska.
    D125433.jpg
  • A Ringed Seal near its hole on the Beaufort Sea ice pack, Kaktovik, Alaska.
    D125406.jpg
  • Karyn Rode and Dr. Steve Amstrup prepare a large male polar bear (Ursus maritimus) for a test called Body Mass Index (BMI). Kaktovik, Alaska.
    D124612.jpg
  • Dr. Steve Amstrup , USGS biologist, and Karyn Rode, field assitant, weighing a large male polar bear (Ursus maritimus) on the ice pack of the Beaufort Sea. Kaktovic, Alaska.
    D124605.jpg
  • Geoff York, USGS biologist, checks the data base field book that details polar bear captures since 1967 of the Beaufort Sea region. Kaktovik, Alaska.
    D124415.jpg
  • Geoff York, USGS biologist and assistant Karen Rode take weight measurements of a captured polar bear (Ursus maritimus) on the pack ice of the Beaufort Sea. Kaktovik, Alaska.
    D124398.jpg
  • Steve Amstrup, lead biologist for the USGS, uses a block and tackle device to weigh a large male polar bear (Ursus maritimus). He weighed 982 lbs. Kaktovik, Alaska.
    D123967.jpg
  • A large male polar bear (Ursus maritimus) losing coordination from the immobilizing drug he was darted with finally tips over and is down. Kaktovik, Alaska.
    D123925.jpg
  • A polar bear (Ursus maritimus) lies spread out over the ice of the Beaufort sea. He's immobilized from a tranquilizer and on the verge of waking after USGS biologists have performed their field tests on him. Kaktovik, Alaska.
    D123810.jpg
  • Geoff York ,a USGS biologist,  finishes up his field work on a sedated polar bear (Ursus maritimus) in the foreground as a second bear in the background, darted earlier wakes and gets to it's feet, still groggy from the tranquilizer. Kaktovik, Alaska.
    D123799.jpg
  • A female polar bear (Ursus maritimus) gets to her feet, still groggy from the tranquilizing drug used to immobilize her for field data collection by USGS biologist Geoff York. A number has been painted on her back for easy identification from the air that she's already been captured this season. Kaktovik, Alaska.
    D123594.jpg
  • Ice formations stacked up on the ice pack of the Beaufort Sea. Kaktovik, Alaska.
    D125834.jpg
  • Dr. Steven Amstrup with a polar bear on the Beaufort Sea, Alaska.
    D170908-P.jpg
  • A radio collar and radio receiver used for polar bear science data collection.
    D231456.jpg
  • The dive team works to open a hole in the Arctic Ocean ice pack.
    D231932.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. Steven Amstrup and Susie Miller collect the Bioelectric Impedance Analysis (BIA) that quantifies fat reserves of a recently immobilized polar bear on the Beaufort Sea, Alaska.
    D170791.jpg
  • A polar bear cub begins to wake from an immobilizing drug. Dr. Steve Amstrup and assistant work on its mother in the background. The cub's lip has green dye from a tattoo that was applied to the inside of his lips. Scientists will use the tatoo to identify him in the future.
    D170130.jpg
  • Polar bear shot with a dart filled with an immobilizing drug. The bear is showing signs of ataxia. Beaufort Sea, Alaska
    D172180.jpg
  • The back of a polar bear (Ursus maritimus) paw. Kaktovik, Alaska
    D123504.jpg
  • Heloise Chenelot pauses in the dive hole in the Arctic Ocean.
    D232470.jpg
  • John Whiteman displays the LButton Thermochron deep core body temperature device that is implanted inside the abdominal wall of a polar bear for long term body temperature data.
    D228026.jpg
  • John Whiteman displays the IButton Thermochron deep core body temperature device that is implanted inside the abdominal wall of a polar bear for long term body temperature data.
    D228002.jpg
  • John Whiteman cuts open the IButtone Thermochron, a deep core body temperature device that was removed from polar bear #21045. Arctic Ocean
    D230492.jpg
  • Serum and plasma samples from a polar bear being prepared to be archived.
    D228438.jpg
  • Merav Ben David puts a blood sample in a Blood Hematology Analyzer aboard the Polar Sea icebreaker.
    D228393.jpg
  • Polar bear capture team's field box.
    D228203.jpg
  • Kristin Simac, USGS biologist, assistant to Dr. Steve Amstrup, taking blood from a polar bear (Ursus maritimus).  Kaktovik, Alaska.
    D125996.jpg
  • Viles used to capture blood from a polar bear. Kaktovik, Alaska.
    D125993.jpg
  • Viles used to capture blood from a polar bear. Kaktovik, Alaska.
    D125990.jpg
  • Ice formations stacked up on the ice pack of the Beaufort Sea. Kaktovik, Alaska.
    D125839.jpg
  • A female polar bear (Ursus maritimus) dazed and weak from an immobilizing drug she received from Dr. Steve Amstrup, USGS biologist. Beaufrot Sea ice pack, Kaktovik, Alaska.
    D125602.jpg
  • A female polar bear (Ursus maritimus) dazed and weak from an immobilizing drug she received from Dr. Steve Amstrup, USGS biologist. Beaufrot Sea ice pack, Kaktovik, Alaska.
    D125579.jpg
  • Dr. Steve Amstrup, leaning from a moving helicopter, takes careful aim with his dart gun used to inject immobilizing drug in to a polar bear. Beaufort Sea ice pack. Kaktovik, Alaska.
    D125800.jpg
  • A Bearded Seal (Erignathus barbatus) on the ice pack of the Beaufort sea. Kaktovik, Alaska.
    D125549.jpg
  • A lead in the winter ice of the Beaufort Sea Ice pack. Kaktovik, Alaska.
    D125516.jpg
  • A Bearded Seal (Erignathus barbatus) on the ice pack of the Beaufort sea. Kaktovik, Alaska.
    D125503.jpg
  • Dr. Steve Amstrup, USGS biologist, and assitant Kristin Simac prepare to take date from a polar bear (Ursus maritimus)  on the Beaufort Sea ice pack. Kaktovik, Alaska.
    D125741.jpg
Prev Next

Natural Exposures logo

  • Browse Galleries
    • All Galleries
    • Search
    • Cart
    • Lightbox
    • Client Area
  • About Daniel J. Cox
  • Corkboard Blog
  • Contact Info
  • NaturalExposures.com