Family: Laridae (Gulls, Terns, Skimmers)
Authority: Cassin, 1852
Red List Category
Recommended citation
BirdLife International (2023) Species factsheet: Larus heermanni. Downloaded from
http://datazone.birdlife.org/species/factsheet/heermanns-gull-larus-heermanni on 03/06/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 03/06/2023.