Identification of fauna of birds in Island-Shady Park in Ahwaz in winter and spring

The six months study of seasonal changes in the population and in the density of birds was carried out in winter and spring 2013 in Island-Shady Park in Karoun River in Ahwaz. Area of the park is 1. 7 hectare and adjoins by a bridge to the west of Karoun River coast. Birds were counted through the total count method. Thirty seven species of birds were observed and counted by telescope and binocular (10 X 40) which belonged to eighteen families، (in winter، 1414 individuals، 23 species، and in spring، 1036 individuals، 29 species). The average density of species in this park was 831 and 609 birds in a hectare in winter and spring respectively. Population compound of birds were Ciconiformes and Passeriformes in all of the six month. Most number of birds counted in January (688 individuals) and lowest was in June (104 individuals). Ardeidae family had the highest diversity with 5 species، and 10 Families (Apodidae، Motacilidae، Hirondonidae، Alaudidae، Himantopodidae. Sternidae، Rallidae، Motacilidae، Picnonotidae، Turdidae) had the lowest diversity with one species. The Egretta garzetta was dominant species in spring (437 individuals) and Larus genei was dominant in winter (576 individuals) in the Island-Shady Park.