black-faced impala aepyceros melampus petersi drinking at the okaukuejo waterhole, etosha national park, namibia.

aepyceros aepycerotinae africa african animal antelope black blackfaced bovidae browser buck close drinking drive etosha face faced game gazelle grazer head herbivore herbivorous hole horizontal horn horned horns impala male mammal melampus namibia national nature okaukuejo park petersi portrait ram reserve rock safari stand standing water waterhole wild wilderness wildlife