بررسي زيستي دوزيستان رود خانه بالخلو استان اردبيل

present in this reserch biological study amphibians to river balekhlv on Ardabil the province

A large number of amphibians were collected and identified from river and ranway is from April to March 2008 2009 all of hem belong to the order Anura including 4 species Pelophylax ridibunda ridibunda and Rana camerani from he family Ranidae and Pseudepidalae viridis viridis from he family Bufinidae and 1 specimen tree frog from the family Hylidae. the tree frog is reported for the first time in area. in this research 40 adult specimens were ecologically studied in terms of morphology and behavior, also was used to valid species summary for this region site with many samples is scattered vnmuvdar. the best identification factor between frogs and toads is the presence of paratoid glands on the back of head in toad, and of the all species there in males pineal body and intensified sound. 64 percent of collected specimens are P.ridibunda ridibunda andl8 percent are Rana camerani and!5percent are. Pseudepidalae viridis viridis and 3 percent are Hyla savignyi.