Slow Worm

Slow Worm

Anguis fragilis

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · Possible
overall probability at Aigüestortes National Park

📅 Monthly Probability

0–10
Jan
<5
Feb
10–20
Mar
20–30
Apr
30–40
May
20–30
Jun
0–10
Jul
10–20
Aug
10–20
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
40–50%
2 Bavarian Forest National Park 🇩🇪 Germany
40–50%
3 Cévennes National Park 🇫🇷 France
30–40%
4 Triglav National Park 🇸🇮 Slovenia
30–40%
5 Pyrénées National Park 🇫🇷 France
20–30%
6 Cairngorms National Park 🇬🇧 United Kingdom
20–30%
7 Picos de Europa National Park 🇪🇸 Spain
20–30%
8 Biebrza National Park 🇵🇱 Poland
20–30%
9 Aigüestortes National Park 🇪🇸 Spain
10–20%
10 Fertő-Hanság National Park 🇭🇺 Hungary
10–20%
11 Wadden Sea National Park 🇩🇪 Germany
10–20%
12 Ordesa y Monte Perdido National Park 🇪🇸 Spain
Insufficient data
13 Tatra National Park 🇸🇰 Slovakia
Insufficient data

Quick answers

What are the chances of seeing a Slow Worm in Aigüestortes National Park?

About 18% of visitor-days record a Slow Worm sighting in Aigüestortes National Park, based on 9 observer-days of citizen-science data from GBIF.

When is the best time to see Slow Worm in Aigüestortes National Park?

May has the highest sighting rate for Slow Worm in Aigüestortes National Park in our monthly data.

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