ABSTRACT Mammals are derived from the Latin “mammae” which means milk and is a class of vertebrates or animals with backbones. Mammals play an important role in balancing an ecosystem. One of the mangrove ecosystems in Riau Province is in Teluk Pambang Village, Bantan District, Bengkalis Regency. This study was conducted to analyze the diversity of mammal species in Teluk Pambang Villa…