Common Tern
Sterna hirundo
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusSterna (Typical Terns)
- SpeciesSterna hirundo (Common Tern)
Closest Relatives at Bastimentos Island National Marine Park
Royal Tern
Thalasseus maximus
Laughing Gull
Leucophaeus atricilla
Black Tern
Chlidonias niger
Cabot's Tern
Thalasseus acuflavidus
Sandwich Tern
Thalasseus sandvicensis
Brown Noddy
Anous stolidus
Larus pipixcan
Leucophaeus pipixcan
Black Skimmer
Rynchops niger
Bridled Tern
Onychoprion anaethetus
Gull-billed Tern
Gelochelidon nilotica
Least Tern
Sternula antillarum
Caspian Tern
Hydroprogne caspia
📅 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 Common Tern in Bastimentos Island National Marine Park?
About 1% of visitor-days record a Common Tern sighting in Bastimentos Island National Marine Park, based on 31 observer-days of citizen-science data from GBIF.
When is the best time to see Common Tern in Bastimentos Island National Marine Park?
November has the highest sighting rate for Common Tern in Bastimentos Island National Marine Park in our monthly data.