Bonaparte's Gull
Chroicocephalus philadelphia
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusChroicocephalus (Masked Gulls and allies)
- SpeciesChroicocephalus philadelphia (Bonaparte's Gull)
Closest Relatives at Great Bear Rainforest
Glaucous-winged Gull
Larus glaucescens
Short-billed Gull
Larus brachyrhynchus
California Gull
Larus californicus
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
Arctic Tern
Sterna paradisaea
Sabine's Gull
Xema sabini
Western Gull
Larus occidentalis
📅 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 Bonaparte's Gull in Great Bear Rainforest?
About 17% of visitor-days record a Bonaparte's Gull sighting in Great Bear Rainforest, based on 1480 observer-days of citizen-science data from GBIF.
When is the best time to see Bonaparte's Gull in Great Bear Rainforest?
August has the highest sighting rate for Bonaparte's Gull in Great Bear Rainforest in our monthly data.