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#0203 · 🦊 mammals

Groundhog

🇳🇱 Bosmarmot ·Marmota monax

LCleast concern 🦊 Mammals 📍 outside Europe
Groundhog, photo 1 of 10
1/10 © Mike Leveille · CC BY-NC 4.0

what is it?

The groundhog ( Marmota monax ), also known as a woodchuck , is a rodent of the family Sciuridae, belonging to the group of large ground squirrels known as marmots. It was first scientifically described by Carl Linnaeus in 1758. The groundhog is also referred to as a chuck , wood-shock , groundpig , whistlepig , whistler , thickwood badger , Canada marmot , monax , moonack , weenusk , and red monk . The name "thickwood badger" was given in the Northwest to distinguish the animal from the prairie...

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 67,058iNaturalist observations
  • weight 27 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

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 67,058 observations worldwide on iNaturalist.
  • Weighs only about 27 g.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
Groundhog
Nederlands
Bosmarmot
scientific name
Marmota monax
class
Mammalia
order
Rodentia
family
Sciuridae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
67,058
GBIF records in NL
0
weight
27 g
length
—
lifespan
—
named
1758

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

relatives· Sciuridae

Sources: iNaturalist taxon 46095, Wikidata Q221612, GBIF 2437368, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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