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 Great Bear Rainforest
Arctic Tern
Sterna paradisaea
Glaucous-winged Gull
Larus glaucescens
Short-billed Gull
Larus brachyrhynchus
California Gull
Larus californicus
Bonaparte's Gull
Chroicocephalus philadelphia
American Herring Gull
Larus smithsonianus
Iceland Gull
Larus glaucoides
Ring-billed Gull
Larus delawarensis
Little Gull
Hydrocoloeus minutus
Caspian Tern
Hydroprogne caspia
Black-legged Kittiwake
Rissa tridactyla
Sabine's Gull
Xema sabini
📅 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 Great Bear Rainforest?
About 0% of visitor-days record a Common Tern sighting in Great Bear Rainforest, based on 12 observer-days of citizen-science data from GBIF.
When is the best time to see Common Tern in Great Bear Rainforest?
August has the highest sighting rate for Common Tern in Great Bear Rainforest in our monthly data.