Royal Tern
Thalasseus maximus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusThalasseus (Crested Terns)
- SpeciesThalasseus maximus (Royal Tern)
Closest Relatives at Arrecifes de Cozumel National Park
Sandwich Tern
Thalasseus sandvicensis
Cabot's Tern
Thalasseus acuflavidus
Laughing Gull
Leucophaeus atricilla
Least Tern
Sternula antillarum
Forster's Tern
Sterna forsteri
Sooty Tern
Onychoprion fuscatus
Roseate Tern
Sterna dougallii
Gull-billed Tern
Gelochelidon nilotica
Caspian Tern
Hydroprogne caspia
Ring-billed Gull
Larus delawarensis
Common Tern
Sterna hirundo
Black Skimmer
Rynchops niger
📅 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 Royal Tern in Arrecifes de Cozumel National Park?
About 24% of visitor-days record a Royal Tern sighting in Arrecifes de Cozumel National Park, based on 375 observer-days of citizen-science data from GBIF.
When is the best time to see Royal Tern in Arrecifes de Cozumel National Park?
November has the highest sighting rate for Royal Tern in Arrecifes de Cozumel National Park in our monthly data.