#0054 · 🦊 mammals
Walrus
Odobenus rosmarus
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Charles Young · CC BY-NC-ND 4.0
- 2. © jfavery · CC BY-NC 4.0
- 3. © Stephen Cresswell · CC BY-NC-ND 4.0
- 4. © Sebastián Lescano · CC BY-NC 4.0
- 5. © Gregoire Dubois · CC BY-NC 4.0
- 6. © Donna Pomeroy · CC BY-NC 4.0
- 7. © Sandra Eglīte · CC BY-NC 4.0
- 8. © Greg Boreham · CC BY-NC 4.0
- 9. © David Cook · CC BY-NC 4.0
- 10. © Sheelagh Halsey · CC BY 4.0
what is it?
The walrus ( Odobenus rosmarus ) is a large flippered marine mammal with a discontinuous distribution about the North Pole in the Arctic Ocean and subarctic seas of the Northern Hemisphere. The walrus is the only living species in the family Odobenidae and genus Odobenus . This species is subdivided into three subspecies: the Atlantic walrus ( O. r. rosmarus ) which lives in the Atlantic Ocean, the Pacific walrus ( O. r. divergens ) which lives in the Pacific Ocean, and O....
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- Spotted 5 times in the Netherlands on iNaturalist.
- 1,656 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
- Listed as Vulnerable on the IUCN Red List.
fact sheet
- English
- Walrus
- Nederlands
- Walrus
- scientific name
- Odobenus rosmarus
- class
- Mammalia
- order
- Carnivora
- family
- Odobenidae
- IUCN Red List
- VU · vulnerable
- sightings in NL
- 5
- sightings in Europe
- 902
- sightings worldwide
- 1,656
- GBIF records in NL
- 614
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
IUCN in Dutch: kwetsbaar. Blank means the sources don't say.
Sources: iNaturalist taxon 41766, Wikidata Q40994, GBIF 5218819, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.