A very thirsty animal can drink 30 gallons of water ... Large, tough lips enable them to pick at dry and thorny desert vegetation. Big, thick footpads help them navigate the rough rocky terrain ...

Using two species of flies from different climates -- one from the cool, high-altitude forests of Northern California, the other hailing from the hot, dry deserts of the Southwest -- scientists ...

The villagers are agro-pastoralists who practice a highly specific three phase regional variation of transhumance that reflects the dry desert environment. During the year, farmers move with their ...