关键词: 盘羊, 集群行为, 天山

Abstract: Solitary individuals aside，herds are of four types：female herds,coasisting 0f females with Or without young and yearling of both sexes；male herds。commsed solely of male；mixed herds，including adult males．females and subadults；and family herds．comprising ewe and infant with or without subadult．The basic units in argali society consist of female and male herds all over year．which the other herds termporary aggregaticax．A total of 182 herds of argali were investigated in middle Tiamhan mountains of Hejing county of Bayingudeng prefecture，Xinjiang during March to May，1998．the size of the average。female and male herds for each month and standard deation were ealculated ．the result showed that the various herds size in argaliof the middle Tianshan were larger than that 0f Asian mouflon．Stones and big horn sheep.

Key words: Argali(Ovis ammon), Aggregative behavior, Tianshan mountains