اولین گزارش خفاش نعل اسبی مدیترانه ای (Rhinolophus euryale) در استان مازندران

 The bats (Order: Chiroptera) includes nine families and ۵۲ identified species in Iran. Five species of Rhinolophidae family have been reported from Iran. All members of this family are characterized by the presence of a horseshoe-shaped anterior nose leaf, the morphology of which can be diagnostic between species. Other characters commonly used to distinguish Rhinolophid species include external and craniodental measurements. One of the five species is Mediterranean horseshoe bat (Rhinolophus euryale) reported from Isfahan, Fars, Kurdestan, Lorestan, Western Azerbaijan, Chaharmahal and Bakhtiari, Golestan, Hamedan, Ilam, Kermanshah, Razavi Khorasan, Northern Khorasan and Khuzestan provinces. It was found a population of R.euryale from Rostamkola city (Mazandaran province) as the first record in this province. Eleven specimens (۵ males and ۶ females) of R.euryale were collected from Rostamkola by hand and net during October and November ۲۰۱۷. Specimens were identified by available keys. Biometric characters comprise ۱۶ external morphometric and ۱۲ craniodental morphometric characters were measured and statistic was reported. All specimens were mature and only one of them had exoparasite. Our results claim first report of this species and its statistic in Mazandaran province.