#0463 · 🦊 mammals
Marsh Deer
🇳🇱 Moerashert ·Blastocerus dichotomus
7 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
9 ft). It is found in Argentina, Bolivia, Peru, Brazil, Uruguay and Paraguay. Formerly found in much of tropical and subtropical South America, it ranged east of the Andes, south from the Amazon rainforest, west of the Brazilian Atlantic rainforest and north of the Argentinian Pampa. Today it is largely reduced to...
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
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 2,163 observations worldwide on iNaturalist.
- Scientifically named by Johann Karl Wilhelm Illiger in 1815 (211 years ago).
- Listed as Vulnerable on the IUCN Red List.
fact sheet
- English
- Marsh Deer
- Nederlands
- Moerashert
- scientific name
- Blastocerus dichotomus
- class
- Mammalia
- order
- Artiodactyla
- family
- Cervidae
- IUCN Red List
- VU · vulnerable
- sightings in NL
- 0
- sightings worldwide
- 2,163
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1815 by Johann Karl Wilhelm Illiger
IUCN in Dutch: kwetsbaar. Blank means the sources don't say.
relatives· Cervidae
#0002 📷 8Western Roe Deer
🇳🇱 Ree
Capreolus capreolus
LC 👀 1.5k in NL
#0007 📷 10European Fallow Deer
🇳🇱 Damhert
Dama dama
LC 👀 755 in NL
#0011 📷 10Red Deer
🇳🇱 Edelhert
Cervus elaphus
LC 👀 345 in NL
#0056 📷 7Sika Deer
🇳🇱 Sikahert
Cervus nippon
LC 👀 4 in NL
#0074 📷 9White-tailed Deer
🇳🇱 Virginiahert
Odocoileus virginianus
LC 🌍 431.3k seen
#0198 📷 7Mule Deer
🇳🇱 Muildierhert
Odocoileus hemionus
LC 🌍 210.6k seen
#0081 📷 10Moose
🇳🇱 Eland
Alces alces
LC 🌍 73.2k seen
#0082 📷 7Wapiti
Cervus canadensis
LC 🌍 64.3k seen
Sources: iNaturalist taxon 42228, Wikidata Q504501, GBIF 2440963, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.
