Estimating the density of a small population of leopards Panthera pardus in central Iran using multi-session photographic‐sampling data by Farhadinia, M, Behnoud, P, Hobeali, K, Mousavi, SJ, Hosseini-Zavarei, F, Gholikhani, N, Akbari, H, Braczkowski, A, Eslami, M, Moghadas, P, Macdonald, DW