• Organization: Department of the Interior
• Updated: 2025-03-31T00:00:00Z

This dataset contains a summary of available information about 150 Pacific walrus haulouts. The data were compiled from available reports (published and unpublished), interviews with coastal...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-02-05T00:00:00Z

These data are three sets of aerial photos used to estimate the number of walruses at a haulout near Pt. Lay, Alaska in September 2014. They were collected during photographic aerial surveys of...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-06-16T00:00:00Z

This data package contains 362 digital photos of a walrus haulout location at Cape Greig, on the Alaska Peninsula summer 2023 (2023-05-09 23:01:08 UTC through 2023-11-16 21:01:14 UTC). Photos were...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-12-08T00:00:00Z

This dataset is derived from images from a variety of Earth observing satellite imagery sources collected at known walrus coastal haulouts in Alaska and Chukotka, Russia. Earth observing imagery...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-07-06T00:00:00.000+00:00

Steller sea lions (Eumetopias jubatus) use terrestrial sites for reproduction, resting, molting, and other activities. Sites used during the breeding season (May-August) where pupping occurs are...

• none
• none
• none
• none

• Organization: Department of the Interior
• Updated: 2025-03-25T00:00:00Z

This dataset provides walrus haulout group outlines, systematic grids cast over the outlines, and digitized points at the centroids of the individual walruses identified inside a randomly selected...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-02-18T00:00:00Z

An animal's energetic costs are dependent on the amount of time it allocates to various behavioral activities. For Arctic pinnipeds, the time allocated to active and resting behaviors could change...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-08-05T00:00:00Z

This data package contains digital images, survey location logs and a summary tabulation from carcass survey conducted at walrus haulouts in Alaska. A summary of image collection times is provided...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-09-29T00:00:00Z

This dataset consists of the complete set of processed aerial imagery and survey data from walrus haulouts collected by unoccupied aerial system (UAS) surveys near Pt. Lay, Alaska, during the...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-02-10T00:00:00Z

This dataset consists of the complete set of aerial imagery and data from walrus haulouts collected by unoccupied aerial system (UAS) surveys near Pt. Lay, Alaska, during the autumns of 2018 and...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-06-29T00:00:00Z

This data release has been SUPERSEDED. No data are provided here. The geospatial outlines and herd size estimates of Chukchi Sea autumn walrus haulouts, interpreted from Satellite imagery, have...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-02-10T00:00:00Z

These data were used to evaluate effects of vessel exposure on Pacific walrus (Odobenus rosmarus divergens) behaviors. We obtained >120,000 hours of location and behavior (foraging, in-water not...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-09-20T00:00:00Z

These data are in three folders of Keyhole Markup Language (KML) geospatial polygons representing the outlines of walrus herds apparent in satellite imagery. Each KML file contains one or more...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-07-16T14:20:00.000+00:00

Aerial surveys of coastal Alaska are the primary method for estimating abundance of harbor seals. A particular challenge associated with aerial surveys of harbor seals is maintaining consistent...

• none
• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-10-14T00:00:00.000+00:00

Critical habitat for the Western DPS of Steller sea lions includes:(a) Alaska rookeries, haulouts, and associated areas. In Alaska, all major Steller sea lion rookeries identified in Table 1 and...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-04-19T00:00:00.000+00:00

From 1986 to 1999, The National Marine Mammal Laboratories' California Current Ecosystem Program (AFSC/NOAA) collected fecal samples and stomachs of male California sea lions from Washington. Scat...

• none
• none
• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:15:56.000+00:00

From 1986 to 1999, The National Marine Mammal Laboratories' California Current Ecosystem Program (AFSC/NOAA) collected fecal samples and stomachs of male California sea lions from Washington. Scat...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2002-06-01T00:00:00.000+00:00

This data set contains biological resource data for seals and sea lions in Southeast Alaska. Points in this data set represent locations of haulout and rookery sites. Species-specific abundance,...

• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-07-26T00:00:00.000+00:00

The primary objectives of this study are to estimate a predation rate by harbor seals on steelhead smolt in Puget Sound, and determine whether predation by harbor seals differs by region. ...

• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2002-07-01T00:00:00.000+00:00

This data set contains biological resource data for marine mammals in Cook Inlet and Kenai Peninsula, Alaska. Vector polygons in this data set represent locations of marine mammal concentrations...

• none
• none
• none
• none