LEFT: The gemsbok can allow its body
temperature to reach 45°C before starting to
sweat, and a large area of veined tissue in its
nasal passages acts as a heat-control system.
It grazes early in the morning when grasses
are most moisture-laden, and also eats water-
rich bulbs, roots and tubers
BELOW: Namaqua sandgrouse gather at a
water hole in the early morning, landing some
distance away and waiting to check the coast
is clear before wading in. When a female
is guarding a brood, her mate will soak his
breast before returning to mother and chicks,
who drink from his feathers