Caspian Gull

Closest Relatives at Biebrza National Park

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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	Hortobágy National Park	🇭🇺 Hungary	50–60%
2	Kiskunság National Park	🇭🇺 Hungary	30–40%
3	Fertő-Hanság National Park	🇭🇺 Hungary	10–20%
4	Biebrza National Park	🇵🇱 Poland	10–20%
5	Białowieża National Park	🇵🇱 Poland	10–20%
6	Wadden Sea National Park	🇩🇪 Germany	<5%
7	Tatra National Park	🇸🇰 Slovakia	<5%
8	Bavarian Forest National Park	🇩🇪 Germany	<5%
9	Sierra de Guadarrama National Park	🇪🇸 Spain	<5%
10	Triglav National Park	🇸🇮 Slovenia	Insufficient data
11	Doñana National Park	🇪🇸 Spain	Insufficient data

Quick answers

What are the chances of seeing a Caspian Gull in Biebrza National Park?

About 12% of visitor-days record a Caspian Gull sighting in Biebrza National Park, based on 165 observer-days of citizen-science data from GBIF.

When is the best time to see Caspian Gull in Biebrza National Park?

October has the highest sighting rate for Caspian Gull in Biebrza National Park in our monthly data.