Mammals
Gemsbok
Oryx gazella · also called southern oryx
Standing motionless under the desert sun with barely a drop of water in sight, a gemsbok relies on a specialised cooling system to keep its brain safe from overheating, pulling nearly all the moisture it needs directly from the plants around it.
Overview
The gemsbok, Oryx gazella, is a desert-adapted antelope native to desert and savanna habitat across southern Africa. Its ability to survive extended periods without drinking water, specialised brain-cooling blood vessels, and long, rapier-like horns present on both sexes make it one of the most physiologically remarkable antelope species found anywhere in Africa’s driest landscapes.
A body engineered for the desert
The gemsbok’s survival in some of Africa’s harshest desert terrain comes down to genuine physiological adaptations, from moisture extracted straight from plants to a cooling system built specifically to protect its brain from the heat.
Status
Least Concern, remaining widespread across suitable desert and savanna habitat throughout southern Africa.
Gemsbok: common questions
How does the gemsbok survive without drinking water?
This species can survive for extended periods without drinking water, extracting most of the moisture it needs directly from the plants it eats, an adaptation well suited to its arid desert habitat.
How does the gemsbok keep its brain cool in extreme heat?
This species has a specialised network of blood vessels that cools blood heading to the brain, protecting it from dangerously high body temperatures even during the most extreme desert heat.
Do both male and female gemsbok have horns?
Yes, this species has long, straight, rapier-like horns present on both sexes, a feature unusual among antelope species where horns are often limited to males alone.
How can you identify a gemsbok?
This species has a bold black-and-white facial pattern contrasting against its otherwise tan-coloured body, along with its distinctive long, straight horns.