| Referenznummer | Beschreibung | Jahr | Verwendeter Name | Seite |
|---|---|---|---|---|
| 131290 | Artukhin, Y.B. 2022 American herring gull Larus smithsonianus Coues, 1862 is a new species for the avifauna of Russia. Amurian Zoological Journal 14(2):335-344. | 2022 | Larus smithsonianus | 335 |
| 130435 | IUCN 2025 The IUCN Red List of Threatened Species. 1964 - onwards. https://www.iucnredlist.org/ | 2025 | Larus smithsonianus | ver.2025-2 |
| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Larus smithsonianus | --> |