barred grass snake
barred grass snakebarred grass snakebarred grass snakebarred grass snake

barred grass snake

Natrix helvetica

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
<5% · Rare
overall probability at Wadden Sea National Park
22 Verified records at Wadden Sea National Park
April Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The barred grass snake (Natrix helvetica) is a non-venomous colubrid snake from Western Europe, typically living in and close to water. It was included within the grass snake species, Natrix natrix, until August 2017, when genetic analysis led to its reclassification as a separate species. Wikipedia →

<5% of wildlife watchers report a barred grass snake sighting in Wadden Sea National Park, based on 22 days of visitor records from GBIF citizen-science data.

Closest Relatives at Wadden Sea National Park

grass snake
LC

grass snake

🌙 Nocturnal Reptile

Natrix natrix

5–10% · With luck
Smooth Snake
LC

Smooth Snake

🌅 Crepuscular Reptile

Coronella austriaca

<5% · Rare

📅 Monthly Probability

<5
Jan
<5
Feb
<5
Mar
5–10
Apr
<5
May
5–10
Jun
<5
Jul
<5
Aug
<5
Sep
<5
Oct
<5
Nov
<5
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Snowdonia National Park 🇬🇧 United Kingdom
20–30%
2 Cévennes National Park 🇫🇷 France
20–30%
3 Mercantour National Park 🇫🇷 France
10–20%
4 Pyrénées National Park 🇫🇷 France
5–10%
5 Wadden Sea National Park 🇩🇪 Germany
<5%
6 Aigüestortes National Park 🇪🇸 Spain
Insufficient data

Quick answers

What are the chances of seeing a barred grass snake in Wadden Sea National Park?

About 3% of wildlife watchers report a barred grass snake sighting in Wadden Sea National Park, based on 22 days of visitor records from GBIF citizen-science data.

When is the best time to see barred grass snake in Wadden Sea National Park?

April has the highest sighting rate for barred grass snake in Wadden Sea National Park in our monthly data.

← Back to Wadden Sea National Park