This is B-roll video of POV Polar Bear Collar Cam B-roll 2019, 2021, and 2022.
If you have questions about research or media inquiries regarding the USGS Alaska Science Center, please contact Yvette Gillies or Paul Laustsen.
Return to Media/Outreach or Polar Bear Research
We appreciate all the interest in the USGS research on Polar bears. You can find videos, news releases, USGS top stories and fact sheets on this page and under the news and publications tabs.
Polar Bear Videos
- POV Polar Bear Collar Cam B-roll 2019, 2021, and 2022 (February 2024)
- Polar Bear Collar Cam B-Roll 2014, 2015, 2016 (March 2018)
- Polar Bears Film Their Own Sea Ice World (February 2018)
- Science Friday Video "Breakthrough: Polar Bear Witness" (June 2017)
- Polar Bear Point of View (POV) Cams (Spring 2016)
- Polar Bear Research at the San Diego Zoo (2016)
- Polar Bear Research at the Oregon Zoo (August 2015)
- Polar Bear Aids Scientists in Research (February 2015)
- Polar Bear Research - B Roll 1 (Spring 2014)
- Polar Bear Point of View (POV) Cams (Spring 2014)
- Tasul's Collar (July 2013)
For more information regarding polar bears and polar bear research visit:
U.S. Fish and Wildlife Service
Polar Bears International
Below are other science projects associated with this project.
Polar Bear Research
Media/Outreach at the Alaska Science Center
If you have questions about upcoming events, research, or media inquiries regarding the USGS Alaska Science Center please contact Yvette Gillies.
Below are multimedia items associated with this project.
![POV Polar Bear Collar Cam B-roll 2019, 2021, and 2022 Two polar bears in water. Top center you see the underside chin of bear and below you see full face and neck of bear.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/X32422_18Sep2022_1634.png?itok=OGh2gADS)
This is B-roll video of POV Polar Bear Collar Cam B-roll 2019, 2021, and 2022.
![Two polar bears in water. Top center you see the underside chin of bear and below you see full face and neck of bear.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/X32422_18Sep2022_1634.png?itok=OGh2gADS)
Point-of-view image of an adult male polar bear interacting with another bear while in the ocean near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear interacting with another bear while in the ocean near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
An adult male polar bear with a GPS-enabled video camera collar on land in Wapusk National Park, Canada as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
An adult male polar bear with a GPS-enabled video camera collar on land in Wapusk National Park, Canada as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
![Three polar bears in water. left side is bears face close, center is bears face looking at you, right is part of bears' nose.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/X32422_18Sep2022_1542.png?itok=lzSmpimI)
Point-of-view image of an adult male polar bear interacting with two other bears while in the ocean near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear interacting with two other bears while in the ocean near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear walking along the coast in Wapusk National Park, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear walking along the coast in Wapusk National Park, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
![Faces of three polar bears. Left side is bear close up of face, center is underneath of chin, right is whole head and leg.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/X33851_12Sep2022_1210.png?itok=D2nOOTg_)
Point-of-view image of an adult male polar bear interacting with two other bears while on land near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear interacting with two other bears while on land near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Scientists continue to study how a warming Arctic will affect polar bear populations. The new 2022 Polar Bear Research Council Masterplan identifies how polar bears in zoos can help fill knowledge gaps that benefit wild populations.
Scientists continue to study how a warming Arctic will affect polar bear populations. The new 2022 Polar Bear Research Council Masterplan identifies how polar bears in zoos can help fill knowledge gaps that benefit wild populations.
This video showcases the latest polar bear point-of-view footage to date along with an interview of the research scientist who is responsible for the project. Released in conjunction with a new scientific study led by the USGS.
This video showcases the latest polar bear point-of-view footage to date along with an interview of the research scientist who is responsible for the project. Released in conjunction with a new scientific study led by the USGS.
Exciting polar bear cam b-roll footage from the bear’s perspective from 2014, 2015, and 2016. The USGS Alaska Science Center Polar Bear Research Project conducts long-term research on polar bears to inform, local, state, national and international policy makers regarding conservation and management of the species and its habitat.
Exciting polar bear cam b-roll footage from the bear’s perspective from 2014, 2015, and 2016. The USGS Alaska Science Center Polar Bear Research Project conducts long-term research on polar bears to inform, local, state, national and international policy makers regarding conservation and management of the species and its habitat.
This short clip is representative of a large amount of video footage of an adult female polar bear, equipped with a point of view camera, that is used by scientists to study polar bear behavior and feeding rates.
This short clip is representative of a large amount of video footage of an adult female polar bear, equipped with a point of view camera, that is used by scientists to study polar bear behavior and feeding rates.
![Scientist checking vitals on polar bear on the Chukchi Sea](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/KRode_CheckingVitalsOnPBearChukchiSea2016.jpg?itok=vb0SwyYN)
Karyn Rode taking vitals on a polar bear in the Chukchi Sea April 2016. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Karyn Rode taking vitals on a polar bear in the Chukchi Sea April 2016. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Photo of adult male polar bear walking towards seal (upper right) Chukchi Sea, Alaska
Photo of adult male polar bear walking towards seal (upper right) Chukchi Sea, Alaska
Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.
Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.
![Female and cub polar bear on land near Kaktovik, Alaska](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/female_and_cub_polar_bear_on_land_9-12-2015_USGS.jpg?itok=6yBVrIo1)
Female and cub polar bear on land near Kaktovik, Alaska
Female and cub polar bear on land near Kaktovik, Alaska
Karyn Rode examines a polar bear in the Chukchi Sea in April of 2015. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Karyn Rode examines a polar bear in the Chukchi Sea in April of 2015. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
An adult female polar bear on the sea ice wearing a GPS satellite video-camera collar. GPS video-camera collars were applied to solitary adult female polar bears for 8 - 12 days in April, 2014-2016. These collars enabled researchers to understand the movements, behaviors, and foraging success of polar bears on the sea ice.
An adult female polar bear on the sea ice wearing a GPS satellite video-camera collar. GPS video-camera collars were applied to solitary adult female polar bears for 8 - 12 days in April, 2014-2016. These collars enabled researchers to understand the movements, behaviors, and foraging success of polar bears on the sea ice.
This video was edited and compiled from raw footage recorded by a camera equipped radio collar that was put on a female polar bear in the Beaufort Sea during April 2014 by the US Geological Survey. This new type of camera technology was developed by videographer Adam Ravetch with the support of the World Wildlife Fund.
This video was edited and compiled from raw footage recorded by a camera equipped radio collar that was put on a female polar bear in the Beaufort Sea during April 2014 by the US Geological Survey. This new type of camera technology was developed by videographer Adam Ravetch with the support of the World Wildlife Fund.
Large polar bear being weighed by Anthony Pagano and Todd Atwood
Large polar bear being weighed by Anthony Pagano and Todd Atwood
Spring 2014. USGS scientists conduct a health evaluation of a young male polar bear in the Arctic as part of the annual southern Beaufort Sea population survey. The bear is sedated for approximately an hour while the team records a variety of measurements and collects key biological samples.
Spring 2014. USGS scientists conduct a health evaluation of a young male polar bear in the Arctic as part of the annual southern Beaufort Sea population survey. The bear is sedated for approximately an hour while the team records a variety of measurements and collects key biological samples.
![Open water, sea ice, and pressure ridges in the Beaufort Sea](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/sea_ice_Lily_Peacock_4-1-2012e.jpg?itok=__BN_Fnh)
An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.
An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.
![An open water lead in the sea ice with blowing snow landscape view](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/sea_ice_Lily_Peacock_4-1-2012b.jpg?itok=EGuvR0lu)
An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.
An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.
Below are publications associated with USGS Alaska Science Center Polar Bear Research.
U.S. Geological Survey Arctic ecosystem assessments
Potential impacts of an autumn oil spill on polar bears summering on land in northern Alaska
The post-emergence period for denning polar bears: Phenology and influence on cub survival
Polar bear energetic and behavioral strategies on land with implications for surviving the ice-free period
Declining Arctic sea ice is increasing polar bear land use. Polar bears on land are thought to minimize activity to conserve energy. Here, we measure the daily energy expenditure (DEE), diet, behavior, movement, and body composition changes of 20 different polar bears on land over 19–23 days from August to September (2019–2022) in Manitoba, Canada. Polar bears on land exhibited a 5.2-fold range in
Identifying indicators of polar bear population status
Sea-ice conditions predict polar bear land use around military installations in Alaska
Incremental evolution of modeling a prognosis for polar bears in a rapidly changing Arctic
Forecasts of polar bear (Ursus maritimus) land use in the southern Beaufort and Chukchi Seas, 2040–65
A body composition model with multiple storage compartments for polar bears (Ursus maritimus)
High winds and melting sea ice trigger landward movement in a polar bear population of concern
Efficacy of bear spray as a deterrent against polar bears
Observed and forecasted changes in land use by polar bears in the Beaufort and Chukchi Seas, 1985–2040
Diet energy density estimated from isotopes in predator hair associated with survival, habitat, and population dynamics
Below are news stories associated with this project.
If you have questions about research or media inquiries regarding the USGS Alaska Science Center, please contact Yvette Gillies or Paul Laustsen.
Return to Media/Outreach or Polar Bear Research
We appreciate all the interest in the USGS research on Polar bears. You can find videos, news releases, USGS top stories and fact sheets on this page and under the news and publications tabs.
Polar Bear Videos
- POV Polar Bear Collar Cam B-roll 2019, 2021, and 2022 (February 2024)
- Polar Bear Collar Cam B-Roll 2014, 2015, 2016 (March 2018)
- Polar Bears Film Their Own Sea Ice World (February 2018)
- Science Friday Video "Breakthrough: Polar Bear Witness" (June 2017)
- Polar Bear Point of View (POV) Cams (Spring 2016)
- Polar Bear Research at the San Diego Zoo (2016)
- Polar Bear Research at the Oregon Zoo (August 2015)
- Polar Bear Aids Scientists in Research (February 2015)
- Polar Bear Research - B Roll 1 (Spring 2014)
- Polar Bear Point of View (POV) Cams (Spring 2014)
- Tasul's Collar (July 2013)
For more information regarding polar bears and polar bear research visit:
U.S. Fish and Wildlife Service
Polar Bears International
Below are other science projects associated with this project.
Polar Bear Research
Media/Outreach at the Alaska Science Center
If you have questions about upcoming events, research, or media inquiries regarding the USGS Alaska Science Center please contact Yvette Gillies.
Below are multimedia items associated with this project.
![POV Polar Bear Collar Cam B-roll 2019, 2021, and 2022 Two polar bears in water. Top center you see the underside chin of bear and below you see full face and neck of bear.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/X32422_18Sep2022_1634.png?itok=OGh2gADS)
This is B-roll video of POV Polar Bear Collar Cam B-roll 2019, 2021, and 2022.
This is B-roll video of POV Polar Bear Collar Cam B-roll 2019, 2021, and 2022.
![Two polar bears in water. Top center you see the underside chin of bear and below you see full face and neck of bear.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/X32422_18Sep2022_1634.png?itok=OGh2gADS)
Point-of-view image of an adult male polar bear interacting with another bear while in the ocean near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear interacting with another bear while in the ocean near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
An adult male polar bear with a GPS-enabled video camera collar on land in Wapusk National Park, Canada as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
An adult male polar bear with a GPS-enabled video camera collar on land in Wapusk National Park, Canada as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
![Three polar bears in water. left side is bears face close, center is bears face looking at you, right is part of bears' nose.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/X32422_18Sep2022_1542.png?itok=lzSmpimI)
Point-of-view image of an adult male polar bear interacting with two other bears while in the ocean near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear interacting with two other bears while in the ocean near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear walking along the coast in Wapusk National Park, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear walking along the coast in Wapusk National Park, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
![Faces of three polar bears. Left side is bear close up of face, center is underneath of chin, right is whole head and leg.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/X33851_12Sep2022_1210.png?itok=D2nOOTg_)
Point-of-view image of an adult male polar bear interacting with two other bears while on land near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Point-of-view image of an adult male polar bear interacting with two other bears while on land near Churchill, Manitoba, Canada. The image was recorded from a GPS-enabled video camera collar as part of a study measuring the energy expenditure, behavior, movement, and body composition changes of polar bears on land.
Scientists continue to study how a warming Arctic will affect polar bear populations. The new 2022 Polar Bear Research Council Masterplan identifies how polar bears in zoos can help fill knowledge gaps that benefit wild populations.
Scientists continue to study how a warming Arctic will affect polar bear populations. The new 2022 Polar Bear Research Council Masterplan identifies how polar bears in zoos can help fill knowledge gaps that benefit wild populations.
This video showcases the latest polar bear point-of-view footage to date along with an interview of the research scientist who is responsible for the project. Released in conjunction with a new scientific study led by the USGS.
This video showcases the latest polar bear point-of-view footage to date along with an interview of the research scientist who is responsible for the project. Released in conjunction with a new scientific study led by the USGS.
Exciting polar bear cam b-roll footage from the bear’s perspective from 2014, 2015, and 2016. The USGS Alaska Science Center Polar Bear Research Project conducts long-term research on polar bears to inform, local, state, national and international policy makers regarding conservation and management of the species and its habitat.
Exciting polar bear cam b-roll footage from the bear’s perspective from 2014, 2015, and 2016. The USGS Alaska Science Center Polar Bear Research Project conducts long-term research on polar bears to inform, local, state, national and international policy makers regarding conservation and management of the species and its habitat.
This short clip is representative of a large amount of video footage of an adult female polar bear, equipped with a point of view camera, that is used by scientists to study polar bear behavior and feeding rates.
This short clip is representative of a large amount of video footage of an adult female polar bear, equipped with a point of view camera, that is used by scientists to study polar bear behavior and feeding rates.
![Scientist checking vitals on polar bear on the Chukchi Sea](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/KRode_CheckingVitalsOnPBearChukchiSea2016.jpg?itok=vb0SwyYN)
Karyn Rode taking vitals on a polar bear in the Chukchi Sea April 2016. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Karyn Rode taking vitals on a polar bear in the Chukchi Sea April 2016. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Photo of adult male polar bear walking towards seal (upper right) Chukchi Sea, Alaska
Photo of adult male polar bear walking towards seal (upper right) Chukchi Sea, Alaska
Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.
Data collected from long distance swims by Polar bears suggest that they do not stop to rest during their journey.
![Female and cub polar bear on land near Kaktovik, Alaska](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/female_and_cub_polar_bear_on_land_9-12-2015_USGS.jpg?itok=6yBVrIo1)
Female and cub polar bear on land near Kaktovik, Alaska
Female and cub polar bear on land near Kaktovik, Alaska
Karyn Rode examines a polar bear in the Chukchi Sea in April of 2015. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Karyn Rode examines a polar bear in the Chukchi Sea in April of 2015. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
An adult female polar bear on the sea ice wearing a GPS satellite video-camera collar. GPS video-camera collars were applied to solitary adult female polar bears for 8 - 12 days in April, 2014-2016. These collars enabled researchers to understand the movements, behaviors, and foraging success of polar bears on the sea ice.
An adult female polar bear on the sea ice wearing a GPS satellite video-camera collar. GPS video-camera collars were applied to solitary adult female polar bears for 8 - 12 days in April, 2014-2016. These collars enabled researchers to understand the movements, behaviors, and foraging success of polar bears on the sea ice.
This video was edited and compiled from raw footage recorded by a camera equipped radio collar that was put on a female polar bear in the Beaufort Sea during April 2014 by the US Geological Survey. This new type of camera technology was developed by videographer Adam Ravetch with the support of the World Wildlife Fund.
This video was edited and compiled from raw footage recorded by a camera equipped radio collar that was put on a female polar bear in the Beaufort Sea during April 2014 by the US Geological Survey. This new type of camera technology was developed by videographer Adam Ravetch with the support of the World Wildlife Fund.
Large polar bear being weighed by Anthony Pagano and Todd Atwood
Large polar bear being weighed by Anthony Pagano and Todd Atwood
Spring 2014. USGS scientists conduct a health evaluation of a young male polar bear in the Arctic as part of the annual southern Beaufort Sea population survey. The bear is sedated for approximately an hour while the team records a variety of measurements and collects key biological samples.
Spring 2014. USGS scientists conduct a health evaluation of a young male polar bear in the Arctic as part of the annual southern Beaufort Sea population survey. The bear is sedated for approximately an hour while the team records a variety of measurements and collects key biological samples.
![Open water, sea ice, and pressure ridges in the Beaufort Sea](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/sea_ice_Lily_Peacock_4-1-2012e.jpg?itok=__BN_Fnh)
An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.
An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.
![An open water lead in the sea ice with blowing snow landscape view](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/sea_ice_Lily_Peacock_4-1-2012b.jpg?itok=EGuvR0lu)
An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.
An aerial view of sea ice with open water from a helicopter in the Beaufort Sea. Photo taken during Spring Capture of the Polar Bear project.
Below are publications associated with USGS Alaska Science Center Polar Bear Research.
U.S. Geological Survey Arctic ecosystem assessments
Potential impacts of an autumn oil spill on polar bears summering on land in northern Alaska
The post-emergence period for denning polar bears: Phenology and influence on cub survival
Polar bear energetic and behavioral strategies on land with implications for surviving the ice-free period
Declining Arctic sea ice is increasing polar bear land use. Polar bears on land are thought to minimize activity to conserve energy. Here, we measure the daily energy expenditure (DEE), diet, behavior, movement, and body composition changes of 20 different polar bears on land over 19–23 days from August to September (2019–2022) in Manitoba, Canada. Polar bears on land exhibited a 5.2-fold range in
Identifying indicators of polar bear population status
Sea-ice conditions predict polar bear land use around military installations in Alaska
Incremental evolution of modeling a prognosis for polar bears in a rapidly changing Arctic
Forecasts of polar bear (Ursus maritimus) land use in the southern Beaufort and Chukchi Seas, 2040–65
A body composition model with multiple storage compartments for polar bears (Ursus maritimus)
High winds and melting sea ice trigger landward movement in a polar bear population of concern
Efficacy of bear spray as a deterrent against polar bears
Observed and forecasted changes in land use by polar bears in the Beaufort and Chukchi Seas, 1985–2040
Diet energy density estimated from isotopes in predator hair associated with survival, habitat, and population dynamics
Below are news stories associated with this project.