Warbla · Library
Bonaparte's Gull
Chroicocephalus philadelphia · Family Laridae
Chroicocephalus philadelphia
Family Laridae
- Order
- Charadriiformes
- Family
- Laridae
- GBIF occurrence records
- 1,500,454
- Countries and territories with records
- 54
About this species
This species has 1,500,454 occurrence records from 54 countries and territories (GBIF, 21 October 2026). Most records come from the United States (74.1%) and Canada (24.8%); together they account for 98.9% of the total. In the United States, this species accounts for 0.1% of all bird records in GBIF.
The scientific name Chroicocephalus philadelphia combines the genus name Chroicocephalus with the species epithet philadelphia. The Warbla app catalog lists 10 species of the genus Chroicocephalus; apart from this one, those with the most GBIF records are Chroicocephalus ridibundus, Chroicocephalus novaehollandiae and Chroicocephalus maculipennis.
The catalog has GBIF record counts for 101 species of the family Laridae. This species ranks 16th among them; the family’s most-recorded species is Larus delawarensis. Its record count is 1.7 times the family average (874,525). The family Laridae belongs to the order Charadriiformes, which has 340 species in the Warbla app catalog.