A survey on avian resources in Xianyang International Airport of Xi'an and surrounding area was conducted from 2012 to 2013 by using the method of belt transect. Totally 147 avian species were recorded,belonging to 16 orders and 34 families. According to avifauna composition,sedentary strains and data,it was found that 77 species were native progenitive( 32 summer visitors,45 residents),and 70 species were non-progenitive( 26 winter visitors,44 passage migrants). For all the species,there are 85 palaearctic...