Bonaparte's Gull

Chroicocephalus philadelphia

IUCN: Least Concern

Taxonomy

Order
Charadriiformes
Family
Laridae
Genus
Chroicocephalus
eBird Code
bongul

Distribution

breeds boreal forest zone from southwestern Alaska mainland across Canada to eastern Quebec (southeastern Canada); winters eastern North Pacific coast southward to west-central Mexico, inland southeastern USA, western North Atlantic coast and offshore Gulf Stream southward to the Bahamas and Cuba

Data Sources

Taxonomy data from AviList 2025.