Least Tern

Closest Relatives at Ría Lagartos 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	Ría Lagartos Biosphere Reserve	🇲🇽 Mexico	10–20%
2	Jaragua National Park	🇩🇴 Dominican Republic	10–20%
3	Channel Islands National Park	🇺🇸 United States	0–10%
4	Celestún Biosphere Reserve	🇲🇽 Mexico	0–10%
5	Arrecifes de Cozumel National Park	🇲🇽 Mexico	0–10%
6	El Vizcaíno Biosphere Reserve	🇲🇽 Mexico	<5%
7	Everglades National Park	🇺🇸 United States	<5%
8	Sian Ka'an Biosphere Reserve	🇲🇽 Mexico	<5%
9	Cabo Blanco Absolute Nature Reserve	🇨🇷 Costa Rica	<5%
10	Ciénaga de Zapata	🇨🇺 Cuba	<5%
11	Tayrona National Natural Park	🇨🇴 Colombia	<5%
12	La Amistad International Park (Panama)	🇵🇦 Panama	<5%
13	Calakmul Biosphere Reserve	🇲🇽 Mexico	Insufficient data
14	Las Baulas Marine National Park	🇨🇷 Costa Rica	Insufficient data
15	Caroni Swamp	🇹🇹 Trinidad and Tobago	Insufficient data
16	Ostional Wildlife Refuge	🇨🇷 Costa Rica	Insufficient data
17	Marino Ballena National Park	🇨🇷 Costa Rica	Insufficient data
18	Bastimentos Island National Marine Park	🇵🇦 Panama	Insufficient data
19	Corcovado National Park	🇨🇷 Costa Rica	Insufficient data
20	Cumbres de Monterrey National Park	🇲🇽 Mexico	Insufficient data
21	Acadia National Park	🇺🇸 United States	Insufficient data

Quick answers

What are the chances of seeing a Least Tern in Ría Lagartos Biosphere Reserve?

About 12% of visitor-days record a Least Tern sighting in Ría Lagartos Biosphere Reserve, based on 112 observer-days of citizen-science data from GBIF.

When is the best time to see Least Tern in Ría Lagartos Biosphere Reserve?

April has the highest sighting rate for Least Tern in Ría Lagartos Biosphere Reserve in our monthly data.