Nature & Environment
Animals at the extremes: the desert environment
...systems. A popular concept of deserts is based on the extreme Sahara, where huge areas of sand dunes support little, if any, plant growth. Certain animals such as camels (Camelus spp.; Figure 3), Dorcas gazelle (Gazella dorcas; Figure 4) and oryx (Figure 5) that survive there by browsing on the sparse plant life and drinking very little or no free water, are regarded as...