Do acoustic features of lion, Panthera leo, roars reflect sex and male condition?

摘要: Long distance calls function to regulate intergroup spacing, attract mating partners, and/or repel competitors. Therefore, they may not only provide information about the sex (if both sexes are calling) but also condition of caller. This paper provides a description acoustic features roars recorded from 18 male and 6 female lions (Panthera leo) living in Serengeti National park, Tanzania. After analyzing whether these differ between sexes, tests as indicators their fighting ability or were conducted. call characteristics tested for relation anatomical size, mane color, length. Call included parameters that previously had been implied size ability, e.g., length, fundamental frequency, peak frequency. The analysis revealed differences sex, which entirely explained by variation body size. No evidence variables related was found, indicating sexual selection might be weak force modulating lion’s roar. Instead, lion have mainly selected effectively advertise territorial boundaries.