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#1477 · 🦎 reptiles

Adder

Vipera berus

LCleast concern 🦎 Reptiles 📍 in the Netherlands
Adder, photo 1 of 10
1/10 © Kęstutis · CC BY-NC 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

  • NL sightings 328iNaturalist, research grade
  • worldwide 22,398iNaturalist observations
  • 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 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

Sources: iNaturalist taxon 966698, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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