This is because they would not be able to live in the hot sun and heat. They only come out in the night when it is a little cooler.

 A cold desert is a desert that has snow in the winter instead of just dropping a few degrees in temperature like they would in a Hot and Dry Desert. It never gets warm enough for plants to grow. Just maybe a few grasses and mosses. The animals in Cold Deserts also have to burrow but in this case to keep warm, not cool. That is why you might find some of the same animals here as you would in the Hot and Dry Deserts.

 All months have average temperatures over 64° F (18° C).  Dry Desert climates are formed by high-pressure zones in which cold air descends. Then the descending air becomes warm but, instead of releasing rain, the heat from the ground evaporates the water before it can come down as rain!  The ground is super hot because the sun's rays beat down on it directly overhead. Not a lot of atmosphere to protect it from radiant energy.

 Sahara is considered as the world’s largest desert. This desert belongs to the subtropical type of deserts and lies in northern Africa.

 The area of this desert is about 3,500,000 square miles. This desert is as big as whole continent of Europe or United States and covers almost all of northern Africa.

 Great basin is cold winter type desert of North America. This desert is spread over the area of 190,000 square miles.  The desert in most noted for the drainage system. It has an internal drainage system; its precipitation is closed in the region and does not allow it to merge in sea. The Great Salt Lake also lies in this desert.

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