Mops bakarii is a species of mastiff bat, described in 2008. The population has been described as a subspecies of "Mormopterus loriae", Loria's mastiff bat. The names Beccari's free-tailed bat or Beccari's mastiff bat once applied to populations in Australia. The western mastiff bat has a body length of and a wingspan of over . Other common names include eastern little mastiff bat and eastern freetail-bat. The black mastiff bat ("Molossus rufus") is a bat species. Common names include the little mastiff bat and southern free-tailed bat.