Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis Author Linnaeus, Carolus text 1758 Laurentius Salvius Stockholm https://archive.org/download/mobot31753000798865/mobot31753000798865.pdf book 2C6327E1-5560-4DB4-B9CA-76A0FA03D975 https://doi.org/10.5962/bhl.title.542 3922206 Larus tridactylus [ spec. nov. ] L. albicans dorso canescente, rectricibus excepto extimo nigris, pedibus tridactylis. Larus hybernus. Alb. av. 2. p. 80. t. 87. Larus cinereus. Bell. av... Raj. av. 128. n. 4. Habitat in Europa septentrionali.