The role of the ram in the impala (Aepyceros melampus) mating system

摘要: The role of territoriality was investigated using 25 impala rams in a site South Africa. Field data were used to determine known as territorial and bachelors, well aspirant indeterminate. mean tenure 67.25 days, with territory size 21.0 ± 11.27 ha, compared the home ranges 34.1 ha 9.03 for 58.8 33.35 bachelor males. Territory boundaries seemed remain constant through season, are smaller when bordering important features such water holes, which appear be neutral terms territoriality. Mating observed on three separate dates between 16 May 4 June 2001, times by males, exception being an ram. most diurnal behaviour feeding, followed watching, walking, ruminating, resting licking salt. It found that bachelors browse more than all males lick salt non-rut. All also vigilant after lions released. Only spar allogroom, they orally groom themselves Territorial chase roar more, perform longer object aggression acts during non-rut bachelors. Other behaviours rare or performed year.