South American Tern

Closest Relatives at Península Valdés

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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	Península Valdés	🇦🇷 Argentina	40–50%
2	Tierra del Fuego National Park	🇦🇷 Argentina	20–30%
3	Torres del Paine National Park	🇨🇱 Chile	0–10%
4	Paracas National Reserve	🇵🇪 Peru	<5%
5	Machalilla National Park	🇪🇨 Ecuador	<5%
6	Tijuca National Park	🇧🇷 Brazil	Insufficient data

Quick answers

What are the chances of seeing a South American Tern in Península Valdés?

About 43% of visitor-days record a South American Tern sighting in Península Valdés, based on 150 observer-days of citizen-science data from GBIF.

When is the best time to see South American Tern in Península Valdés?

January has the highest sighting rate for South American Tern in Península Valdés in our monthly data.