With its long, ridged horns and muscular build, the giant sable antelope is a majestic sight — and a rare one at that. This particular antelope, endemic only to Angola, in southwest Africa ...

Estes has conducted fieldwork in Africa for more than 50 years, including a year-long study of the critically endangered giant sable antelope, whose numbers hover at fewer than a hundred.

The giant sable antelope was first discovered in the early 20th century and went on to become Angola’s national animal. However, due to their striking horns, the antelopes soon became a target ...