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 Point Pelee National Park
Black-headed Gull
Chroicocephalus ridibundus
Ring-billed Gull
Larus delawarensis
American Herring Gull
Larus smithsonianus
Common Tern
Sterna hirundo
Great Black-backed Gull
Larus marinus
Black Tern
Chlidonias niger
Lesser Black-backed Gull
Larus fuscus
Caspian Tern
Hydroprogne caspia
Forster's Tern
Sterna forsteri
Little Gull
Hydrocoloeus minutus
Black-legged Kittiwake
Rissa tridactyla
Iceland Gull
Larus glaucoides
📅 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 Point Pelee National Park?
About 53% of visitor-days record a Bonaparte's Gull sighting in Point Pelee National Park, based on 7083 observer-days of citizen-science data from GBIF.
When is the best time to see Bonaparte's Gull in Point Pelee National Park?
May has the highest sighting rate for Bonaparte's Gull in Point Pelee National Park in our monthly data.