South American Tern
Sterna hirundinacea
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusSterna (Typical Terns)
- SpeciesSterna hirundinacea (South American Tern)
Closest Relatives at Tierra del Fuego National Park
Dominican Gull
Larus dominicanus
Dolphin Gull
Leucophaeus scoresbii
Brown-hooded Gull
Chroicocephalus maculipennis
Larus pipixcan
Leucophaeus pipixcan
Southern Lapwing
Vanellus chilensis
Magellanic Oystercatcher
Haematopus leucopodus
Blackish Oystercatcher
Haematopus ater
Chilean Skua
Stercorarius chilensis
Brown Skua
Stercorarius antarcticus
Magellanic Snipe
Gallinago magellanica
White-rumped Sandpiper
Calidris fuscicollis
Greater Yellowlegs
Tringa melanoleuca
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
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 | |
| 2 | Tierra del Fuego National Park | 🇦🇷 Argentina | |
| 3 | Torres del Paine National Park | 🇨🇱 Chile | |
| 4 | Paracas National Reserve | 🇵🇪 Peru | |
| 5 | Machalilla National Park | 🇪🇨 Ecuador | |
| 6 | Tijuca National Park | 🇧🇷 Brazil |
Quick answers
What are the chances of seeing a South American Tern in Tierra del Fuego National Park?
About 26% of visitor-days record a South American Tern sighting in Tierra del Fuego National Park, based on 267 observer-days of citizen-science data from GBIF.
When is the best time to see South American Tern in Tierra del Fuego National Park?
February has the highest sighting rate for South American Tern in Tierra del Fuego National Park in our monthly data.