grass snake

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 Biebrza National Park?

About 44% of visitor-days record a grass snake sighting in Biebrza National Park, based on 31 observer-days of citizen-science data from GBIF.

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

September has the highest sighting rate for grass snake in Biebrza National Park in our monthly data.