grass snake

grass snake

Natrix natrix

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
30–40% · Possible
overall probability at Tatra National Park

📅 Monthly Probability

0–10
Jan
0–10
Feb
20–30
Mar
50–60
Apr
40–50
May
30–40
Jun
30–40
Jul
40–50
Aug
20–30
Sep
20–30
Oct
10–20
Nov
0–10
Dec

🌙 When They're Spotted

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

🌙Nocturnal
☀️🌙🌙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 Białowieża National Park 🇵🇱 Poland
70–80%
2 Hortobágy National Park 🇭🇺 Hungary
50–60%
3 Biebrza National Park 🇵🇱 Poland
40–50%
4 Gauja National Park 🇱🇻 Latvia
40–50%
5 Fertő-Hanság National Park 🇭🇺 Hungary
40–50%
6 Tatra National Park 🇸🇰 Slovakia
30–40%
7 Bavarian Forest National Park 🇩🇪 Germany
30–40%
8 Kiskunság National Park 🇭🇺 Hungary
30–40%
9 Triglav National Park 🇸🇮 Slovenia
30–40%
10 Wadden Sea National Park 🇩🇪 Germany
10–20%

Quick answers

What are the chances of seeing a grass snake in Tatra National Park?

About 37% of visitor-days record a grass snake sighting in Tatra National Park, based on 16 observer-days of citizen-science data from GBIF.

When is the best time to see grass snake in Tatra National Park?

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

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