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#0120 · 🦊 mammals

Blue Whale

🇳🇱 Blauwe Vinvis ·Balaenoptera musculus

ENendangered 🦊 Mammals 📍 in Europe, not in NL
Blue Whale, photo 1 of 10
1/10 © azure27014 · CC BY-NC 4.0

what is it?

The blue whale ( Balaenoptera musculus ) is a marine mammal belonging to the baleen whales (Mysticeti). 9 metres (98 ft) in length and with a maximum recorded weight of 173 tonnes (190 short tons) and probably reaching over 181 tonnes (200 short tons), it is the largest animal known to have ever existed.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 2,558iNaturalist observations
  • length 27.1 madult, up to
  • threat ENendangered

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.
  • 2,558 observations worldwide on iNaturalist.
  • Up to 27.1 m long: 15.1× a tall person.
  • Scientifically named in 1758 (268 years ago).
  • Listed as Endangered on the IUCN Red List.

fact sheet

English
Blue Whale
Nederlands
Blauwe Vinvis
scientific name
Balaenoptera musculus
class
Mammalia
order
Artiodactyla
family
Balaenopteridae
IUCN Red List
EN · endangered
sightings in NL
0
sightings in Europe
63
sightings worldwide
2,558
GBIF records in NL
11
weight
—
length
27.1 m
lifespan
—
named
1758

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

relatives· Balaenopteridae

Sources: iNaturalist taxon 41553, Wikidata Q42196, GBIF 2440735, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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