Possible Clues:

• Brown bovine of Africa
• Recalls a circuit with a fair amount of mink - a graceful type of grazer on the Serengeti?
• Antelope of southern and eastern Africa
• Antelope whose name means "gazelle" in Zulu
• Antelope whose name means 'gazelle' in Zulu
• This writer’s friend, a jumpy African native
• African antelope with lyre-shaped horns
• Medium-sized African antelope which makes spectacular leaps to avoid predators
• Animal often born around midday
• Classic Chevy that shares its name with an antelope