#1567 · 🦎 reptiles
Seoane's Viper
🇳🇱 Cantabrische Adder ·Vipera seoanei
7 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Vipera seoanei is a venomous viper species endemic to extreme southwestern France and the northern regions of Spain and Portugal. Two subspecies are currently recognized, including the nominate race described here.
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.
- 1,327 observations worldwide on iNaturalist.
- Scientifically named by Fernand Lataste in 1879 (147 years ago).
fact sheet
- English
- Seoane's Viper
- Nederlands
- Cantabrische Adder
- scientific name
- Vipera seoanei
- class
- Reptilia
- order
- Squamata
- family
- Viperidae
- IUCN Red List
- NT · near threatened
- sightings in NL
- 0
- sightings in Europe
- 1,242
- sightings worldwide
- 1,327
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1879 by Fernand Lataste
IUCN in Dutch: gevoelig. Blank means the sources don't say.
relatives· Viperidae
#1477 📷 10Adder
Vipera berus
LC 👀 328 in NL
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#1627 📷 9Western Diamond-backed Rattlesnake
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#1500 📷 10Eastern Copperhead
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#1636 📷 9Northern Cottonmouth
Agkistrodon piscivorus
LC 🌍 25.4k seen
#1656 📷 10Timber Rattlesnake
🇳🇱 Gewone ratelslang
Crotalus horridus
LC 🌍 16.1k seen
#1693 📷 9Prairie Rattlesnake
🇳🇱 Prairieratelslang
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LC 🌍 10.4k seen
#1704 📷 7Terciopelo
Bothrops asper
LC 🌍 8.8k seen
Sources: iNaturalist taxon 30917, Wikidata Q1938570, GBIF 5960884, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.