#1477 · 🦎 reptiles
Adder
Vipera berus
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Kęstutis · CC BY-NC 4.0
- 2. © broncoblue · CC BY-NC 4.0
- 3. © Roberto Ghiglia · CC BY-NC 4.0
- 4. © Thomas Brown · CC BY-NC 4.0
- 5. © cjs1990 · CC BY-NC 4.0
- 6. Gelderland, NL:© pwink · CC BY-NC 4.0
- 7. Gelderland, NL:© Roelvanderlit · CC BY-NC 4.0
- 8. Gelderland, NL:© Roelvanderlit · CC BY-NC 4.0
- 9. Netherlands:© christiaandevries · CC BY-NC 4.0
- 10. Netherlands:© Ewout Knoester · CC BY-SA 4.0
what is it?
Vipera berus , the common European adder or common European viper , is a venomous snake that is extremely widespread and can be found throughout most of Western Europe and as far as East Asia. The species is also the only venomous snake native to Great Britain.
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
- Spotted 328 times in the Netherlands on iNaturalist: the #5 most seen of the reptiles in NL.
- 22,398 observations worldwide on iNaturalist.
- Dutch status: Dutch vipers are highly-sought after photo subjects for wildlife photographers and other animal enthusiasts. Some viper populations are visited by multiple groups of people per day during the reproduction season; the degree of disturbance is high. Inaturalist is being used as a source to get location data for these visits. Records are obscured on the main Dutch biodiversity platform (waarneming.nl)..
fact sheet
- English
- Adder
- Nederlands
- Adder
- scientific name
- Vipera berus
- class
- Reptilia
- order
- Squamata
- family
- Viperidae
- IUCN Red List
- LC · least concern
- Dutch status
- Dutch vipers are highly-sought after photo subjects for wildlife photographers and other animal enthusiasts. Some viper populations are visited by multiple groups of people per day during the reproduction season; the degree of disturbance is high. Inaturalist is being used as a source to get location data for these visits. Records are obscured on the main Dutch biodiversity platform (waarneming.nl).
- sightings in NL
- 328
- sightings in Europe
- 20,136
- sightings worldwide
- 22,398
- weight
- —
- length
- —
- lifespan
- —
IUCN in Dutch: niet bedreigd. Blank means the sources don't say.
relatives· Viperidae
#1622 📷 10Western Rattlesnake
🇳🇱 Western rattlesnake
Crotalus oreganus
LC 🌍 39.4k seen
#1627 📷 9Western Diamond-backed Rattlesnake
🇳🇱 Texaanse ratelslang
Crotalus atrox
LC 🌍 32.6k seen
#1500 📷 10Eastern Copperhead
🇳🇱 Koperkop
Agkistrodon contortrix
LC 🌍 28.8k seen
#1636 📷 9Northern Cottonmouth
Agkistrodon piscivorus
LC 🌍 25.4k seen
#1656 📷 10Timber Rattlesnake
🇳🇱 Gewone ratelslang
Crotalus horridus
LC 🌍 16.1k seen
#1693 📷 9Prairie Rattlesnake
🇳🇱 Prairieratelslang
Crotalus viridis
LC 🌍 10.4k seen
#1704 📷 7Terciopelo
Bothrops asper
LC 🌍 8.8k seen
#1711 📷 10Florida Cottonmouth
Agkistrodon conanti
🌍 8.2k seen
Sources: iNaturalist taxon 966698, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.