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 Tetrao tetrix [ spec. nov. ] T. pedibus hirsutis, cauda bifurcata, remigibus secundariis basin versus albis. Fn. svec. 168. Tetrao s. Urogallus minor. Gesn. av. 494. Aldr. orn. l. c. 7. Will. orn. 124. t. 31. Raj. av. 53. Alb. av. 1. p. 22. t. 22. Habitat in Europae frigidae Ericetis, Betuletis. Exaestuat in campis obmurmurans erecta cauda tumidisque superciliis, sibilo efflans; hieme saepe nive sepelitur ; ova excludens odore privatur.