Warbla · Library
Black-tailed Gull
Larus crassirostris · Family Laridae
Larus crassirostris
Family Laridae
- Order
- Charadriiformes
- Family
- Laridae
- GBIF occurrence records
- 93,303
- Countries and territories with records
- 25
About this species
This species has 93,303 occurrence records from 25 countries and territories (GBIF, 21 October 2026). Most records come from South Korea (50.5%), Japan (23.6%), Taiwan (10%), China (8.8%) and Russia (2.7%); together they account for 95.6% of the total. In South Korea, this species accounts for 2.1% of all bird records in GBIF.
The scientific name Larus crassirostris combines the genus name Larus with the species epithet crassirostris. The Warbla app catalog lists 24 species of the genus Larus; apart from this one, those with the most GBIF records are Larus delawarensis, Larus fuscus and Larus argentatus.
The catalog has GBIF record counts for 101 species of the family Laridae. This species ranks 51st among them; the family’s most-recorded species is Larus delawarensis. Its record count is 10.7% of the family average (874,525). The family Laridae belongs to the order Charadriiformes, which has 340 species in the Warbla app catalog.