Snowy-crowned Tern
Sterna trudeaui
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusSterna (Typical Terns)
- SpeciesSterna trudeaui (Snowy-crowned Tern)
Closest Relatives at Península Valdés
South American Tern
Sterna hirundinacea
Common Tern
Sterna hirundo
Dominican Gull
Larus dominicanus
Dolphin Gull
Leucophaeus scoresbii
Royal Tern
Thalasseus maximus
Brown-hooded Gull
Chroicocephalus maculipennis
Sandwich Tern
Thalasseus sandvicensis
Cabot's Tern
Thalasseus acuflavidus
Olrog's Gull
Larus atlanticus
American Oystercatcher
Haematopus palliatus
Blackish Oystercatcher
Haematopus ater
Snowy Sheathbill
Chionis albus
📅 Monthly Probability
Fewer than 5 records of Snowy-crowned Tern at Península Valdés — not enough to chart months honestly.
☀️ 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 | Iberá National Park | 🇦🇷 Argentina |