Abstract:The diet of two sympatric owl species, the long-eared owl (Asio otus) and the little owl (Athene noctua) was investigated in an arid area of southern Mongolia using pellet analysis. In total 334 pellets of long-eared owl and 52 pellets of little owl were analysed, revealing the presence of five small mammal species (Dipodidae, three Muridae and one Soricidae), small birds and invertebrate fragments. Accumulative composition plots indicated a batch size of 35-60 pellets was sufficient to reveal representative d… Show more
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