Sandwich Tern
Thalasseus sandvicensis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusThalasseus (Crested Terns)
- SpeciesThalasseus sandvicensis (Sandwich Tern)
Closest Relatives at Coiba National Park
Royal Tern
Thalasseus maximus
Elegant Tern
Thalasseus elegans
Laughing Gull
Leucophaeus atricilla
Black Tern
Chlidonias niger
Brown Noddy
Anous stolidus
Bridled Tern
Onychoprion anaethetus
Sooty Tern
Onychoprion fuscatus
Common Tern
Sterna hirundo
Larus pipixcan
Leucophaeus pipixcan
Ring-billed Gull
Larus delawarensis
Sabine's Gull
Xema sabini
Forster's Tern
Sterna forsteri
📅 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
Quick answers
What are the chances of seeing a Sandwich Tern in Coiba National Park?
About 3% of visitor-days record a Sandwich Tern sighting in Coiba National Park, based on 5 observer-days of citizen-science data from GBIF.
When is the best time to see Sandwich Tern in Coiba National Park?
December has the highest sighting rate for Sandwich Tern in Coiba National Park in our monthly data.