Urial males have large horns, curling outwards from the top of the head turning in to end somewhere behind the head; females have shorter, compressed horns. The horns of the males are up to 100 cm (39 in) long. The
shoulder height of an adult male urial is between 80 and 90 cm (31 and 35 in).
Nowak R. M.: Walker's Mammals of the World, Sixth Edition. The Johns Hopkins University Press, Baltimore, London, 1999.
Namgail, T., van Wieren, S.E., Mishra, C. & Prins, H.H.T. (2010). Multi-spatial co-distribution of the endangered Ladakh urial and blue sheep in the arid Trans-Himalayan Mountains. Journal of Arid Environments, 74:1162-1169.
Lingen, H.: Großes Lexikon der Tiere. Lingen Verlag, Köln.
Prater, S. H.: The Book of Indian Animals, Oxford University Press, 1971.