swayne's hartebeest, alcelaphus buselaphus swaynei antelope, senkelle sanctuary ethiopia wildlife

swayne 039 hartebeest alcelaphus antelope buselaphus swaynei senkelle swaynes sanctuary africa ethiopia conservation nature african wildlife biodiversity endemic species bovidae animals botswana east hills landscape grassland mammals places yellow swayns savanna reserve savannah tanzania wild eventoed senegal ungulates green natural habitat rare protected area hawassa awasa observation