Eurasian Beaver
Eurasian BeaverEurasian BeaverEurasian BeaverEurasian Beaver

Eurasian Beaver

Castor fiber

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
30–40% · Possible
overall probability at Tatra National Park
50 Verified records at Tatra National Park
October Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

The Eurasian beaver (Castor fiber) or European beaver is a species of beaver widespread across Eurasia, with a rapidly increasing population of at least 1.5 million in 2020. The Eurasian beaver was hunted to near-extinction for both its fur and castoreum, with only about 1,200 beavers in eight relict populations from France to Mongolia in the early 20th century. It has since been reintroduced into much of its former range and now lives from Western, Southern, Central and Eastern Europe, Scandinavia, Russia through China and Mongolia, with about half the population in Russia. It is listed as least concern on the IUCN Red List. Wikipedia →

30–40% of wildlife watchers report a Eurasian Beaver sighting in Tatra National Park, based on 50 days of visitor records from GBIF citizen-science data.

Closest Relatives at Tatra National Park

Alpine Marmot
LC

Alpine Marmot

☀️ Diurnal Mammal

Marmota marmota

40–50% · Likely
Eurasian Red Squirrel
LC Endemic

Eurasian Red Squirrel

☀️ Diurnal Mammal

Sciurus vulgaris

30–40% · Possible
Common Dormouse
LC

Common Dormouse

Mammal

Muscardinus avellanarius

Insufficient data
European Snow Vole

European Snow Vole

Mammal

Chionomys nivalis

Insufficient data
Bank Vole

Bank Vole

☀️ Diurnal Mammal

Myodes glareolus

Insufficient data
Striped Field Mouse
LC Endemic

Striped Field Mouse

Mammal

Apodemus agrarius

Insufficient data
Northern Birch Mouse
LC

Northern Birch Mouse

Mammal

Sicista betulina

Insufficient data
European Ground Squirrel
EN

European Ground Squirrel

☀️ Diurnal Mammal

Spermophilus citellus

Insufficient data

📅 Monthly Probability

5–10
Jan
40–50
Feb
40–50
Mar
40–50
Apr
20–30
May
30–40
Jun
20–30
Jul
20–30
Aug
10–20
Sep
50–60
Oct
30–40
Nov
30–40
Dec

🌅 When They're Spotted

Most active at dawn and dusk · across all parks (global)

🌅Crepuscular
☀️🌙🌙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
40–50%
2 Bavarian Forest National Park 🇩🇪 Germany
30–40%
3 Tatra National Park 🇸🇰 Slovakia
30–40%
4 Cévennes National Park 🇫🇷 France
20–30%
5 Biebrza National Park 🇵🇱 Poland
20–30%
6 Kiskunság National Park 🇭🇺 Hungary
20–30%
7 Cairngorms National Park 🇬🇧 United Kingdom
10–20%
8 Fertő-Hanság National Park 🇭🇺 Hungary
10–20%
9 Hortobágy National Park 🇭🇺 Hungary
10–20%
10 Wadden Sea National Park 🇩🇪 Germany
5–10%
11 Pyrénées National Park 🇫🇷 France
<5%
12 Gauja National Park 🇱🇻 Latvia
Insufficient data
13 Snowdonia National Park 🇬🇧 United Kingdom
Insufficient data

Quick answers

What are the chances of seeing a Eurasian Beaver in Tatra National Park?

About 31% of wildlife watchers report a Eurasian Beaver sighting in Tatra National Park, based on 50 days of visitor records from GBIF citizen-science data.

When is the best time to see Eurasian Beaver in Tatra National Park?

October has the highest sighting rate for Eurasian Beaver in Tatra National Park in our monthly data.

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