Order Artiodactyla Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 637 722 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Capra walie Rüppell 1835 Capra walie Rüppell 1835 , Neue Wirbelt. Fauna Abyssin. Gehorig. Saugeth., Vol. 1: 16 . Type Locality: "die höchsten felsigten Gebirge Abyssiniens … in den Provinzen Simen und Godjam"; restricted to Ethiopia , mountains of Simien ( Lydekker, 1913:156 ). Vernacular Names: Walia . Distribution: N Ethiopia . Conservation: U.S. ESA – Endangered; IUCN – Critically Endangered. Discussion: Treated as a species distinct from C. ibex by Ansell (1972:70) and Yalden et al. (1984) .