Credits & sources
Who made this possible
Every photograph on this site was shared by its author under a free licence or is in the public domain. Every field note is retold from the sources listed below.
Photographs
All images were obtained from Wikimedia Commons. Licences and authors were checked against each file's Commons description page. Changes made: every image was resized, recompressed as JPEG and stripped of embedded metadata; on the pages, some are displayed cropped. These changes do not imply endorsement by the authors. Images under CC BY-SA remain available under the same licence.
| Preview | Photograph | Author | Licence | Source |
|---|---|---|---|---|
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Northern sea otters, Tofino, Vancouver Island, Canadaassets/img/hero-sea-otter-raft.jpg |
Charles J. Sharp | CC BY-SA 4.0 | Wikimedia Commons file page |
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Northern sea otter female and pup, Tofino, Canadaassets/img/sea-otter-mother-pup-sleeping.jpg |
Charles J. Sharp | CC BY-SA 4.0 | Wikimedia Commons file page |
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Northern sea otters, Tofino, Canadaassets/img/sea-otters-floating.jpg |
Charles J. Sharp | CC BY-SA 4.0 | Wikimedia Commons file page |
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A raft of California sea otters, Elkhorn Slough, Moss Landing, Californiaassets/img/elkhorn-slough-raft.jpg |
Judy Gallagher | CC BY 2.0 | Wikimedia Commons file page |
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California sea otter, Elkhorn Slough, Moss Landing, Californiaassets/img/elkhorn-slough-grooming.jpg |
Judy Gallagher | CC BY 2.0 | Wikimedia Commons file page |
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Sea otter 841 foraging in Santa Cruz, California (12 July 2023)assets/img/sea-otter-841.jpg |
Lilian Carswell / U.S. Fish and Wildlife Service, Pacific Southwest Region | Public domain (U.S. federal government work) | Wikimedia Commons file page |
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Sea otter consuming a crab, Moss Landing, Californiaassets/img/sea-otter-crab.jpg |
Brocken Inaglory | CC BY-SA 3.0 | Wikimedia Commons file page |
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Giant otters, Three Brothers River, Pantanal, Brazilassets/img/giant-otters-pantanal.jpg |
Charles J. Sharp | CC BY-SA 4.0 | Wikimedia Commons file page |
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Giant otter eating a fish, Encontro das Águas State Park, Brazilassets/img/giant-otter-fish.jpg |
Giles Laurent (gileslaurent.com) | CC BY-SA 4.0 | Wikimedia Commons file page |
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Otters at Jurong Lake Gardens, Singaporeassets/img/smooth-coated-family-singapore.jpg |
Tan Jun An | CC BY-SA 4.0 | Wikimedia Commons file page |
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Smooth-coated otters, Jurong Eco Garden, Singaporeassets/img/smooth-coated-pair.jpg |
JJ Harrison | CC BY-SA 4.0 | Wikimedia Commons file page |
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Eurasian otter, Fertő-Hanság National Park, Hungaryassets/img/eurasian-otter-swimming.jpg |
Bouke ten Cate | CC BY 4.0 | Wikimedia Commons file page |
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Eurasian otter on the beach at Norwick, Shetlandassets/img/eurasian-otter-shetland.jpg |
Mike Pennington (via Geograph Britain and Ireland) | CC BY-SA 2.0 | Wikimedia Commons file page |
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Oriental (Asian) small-clawed otterassets/img/small-clawed-otter.jpg |
Mathias Appel | CC0 | Wikimedia Commons file page |
Field note sources
The field notes are summaries in our own words. For details, quotes and data, please read the originals.
Fact cards and species list
- Fur density, daily food intake, forearm pouches, 1938 Big Sur survivors and current southern sea otter numbers: Monterey Bay Aquarium, “Sea otter”.
- Giant otter length: Smithsonian Magazine, 2021.
- Thirteen otter species: IUCN SSC Otter Specialist Group.
Text on this site © Coastline Archive. Spotted a mistake? The originals linked above are always the better authority.













