Grey Gull

Closest Relatives at Celestún Biosphere Reserve

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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	Paracas National Reserve	🇵🇪 Peru	60–70%
2	Celestún Biosphere Reserve	🇲🇽 Mexico	20–30%
3	Galápagos Islands	🇪🇨 Ecuador	<5%
4	Machalilla National Park	🇪🇨 Ecuador	Insufficient data
5	Lauca National Park	🇨🇱 Chile	Insufficient data

Quick answers

What are the chances of seeing a Grey Gull in Celestún Biosphere Reserve?

About 20% of visitor-days record a Grey Gull sighting in Celestún Biosphere Reserve, based on 9 observer-days of citizen-science data from GBIF.

When is the best time to see Grey Gull in Celestún Biosphere Reserve?

June has the highest sighting rate for Grey Gull in Celestún Biosphere Reserve in our monthly data.