Taxon - Links and literature
subspecies
Western Europe Herring Gull
Larus argentatus argenteus C. L. Brehm & Schilling, 1822
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [as Larus argentatus argenteus Brehm, CL & Schilling, 1822]Data retrieved on: 22 April 2021
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [as Larus argentatus argenteus]Data retrieved on: 7 April 2013