The study was carried out to examine the bird species diversity at Kho Hong Hill, Prince of Songkla University, Songkhla Province. The study was conducted over 4 months period, between November 2007 to February 2008. One 1,050 meters line transect was established from edge forest to inner forest. The line transect was divided 3 zones, edge zone transition zone and inner zone, by structure of forest. In 21 bird observations, 38 species of birds from 18 families were found. Bird diversity in edge zone was higher than inner zone and transition zone.