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#0209 · 🦊 mammals

California Sea Lion

🇳🇱 Californische Zeeleeuw ·Zalophus californianus

LCleast concern 🦊 Mammals 📍 outside Europe
California Sea Lion, photo 1 of 8
1/8 © Luis P. B. · CC BY-NC 4.0

what is it?

The California sea lion ( Zalophus californianus ) is a coastal eared seal native to western North America. It is one of six species of sea lion. Its natural habitat ranges from southeast Alaska to central Mexico, including the Gulf of California. Sea lions are sexually dimorphic; males are larger than females, and have a thicker neck and protruding crest. They mainly haul-out on sandy or rocky beaches, but they also frequent manmade environments such as marinas and...

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 44,015iNaturalist observations
  • threat LCleast concern

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

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 44,015 observations worldwide on iNaturalist.
  • Scientifically named by René Lesson in 1828 (198 years ago).

fact sheet

English
California Sea Lion
Nederlands
Californische Zeeleeuw
scientific name
Zalophus californianus
class
Mammalia
order
Carnivora
family
Otariidae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
44,015
GBIF records in NL
1
weight
—
length
—
lifespan
—
named
1828 by René Lesson

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Otariidae

Sources: iNaturalist taxon 41740, Wikidata Q379732, GBIF 2433458, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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