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#0027 · 🦊 mammals

Least Weasel

🇳🇱 Wezel ·Mustela nivalis

LCleast concern 🦊 Mammals 📍 in the Netherlands
Least Weasel, photo 1 of 10
1/10 © alexander_semenov · CC BY-NC 4.0

what is it?

The least weasel ( Mustela nivalis ), or simply weasel in the UK, is the smallest member of the genus Mustela, family Mustelidae and order Carnivora. It is native to Eurasia, North America and North Africa, and has been introduced to New Zealand, Australia, Malta, Crete, Bermuda, Madeira Island, the Azores, the Canary Islands, Sao Tome, the Falkland Islands, Argentina and Chile. It is classified as least concern by the IUCN, due to its wide distribution and large...

base stats

  • NL sightings 51iNaturalist, research grade
  • worldwide 5,658iNaturalist observations
  • weight 1.4 gadult, up to
  • 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

  • Spotted 51 times in the Netherlands on iNaturalist: the #27 most seen of the mammals in NL.
  • 5,658 observations worldwide on iNaturalist.
  • Weighs only about 1 g.
  • Scientifically named in 1766 (260 years ago).

fact sheet

English
Least Weasel
Nederlands
Wezel
scientific name
Mustela nivalis
class
Mammalia
order
Carnivora
family
Mustelidae
IUCN Red List
LC · least concern
in NL
native
sightings in NL
51
sightings in Europe
3,503
sightings worldwide
5,658
GBIF records in NL
10,942
weight
1.4 g
length
—
lifespan
—
named
1766

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

relatives· Mustelidae

Sources: iNaturalist taxon 569428, Wikidata Q25311, GBIF 5218987, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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