~ There are four main deserts in the United States: Mojave, Great Basin, Chihuahuan, and the Sonoran Deserts.

~The Desert Belt is along the Tropic of Cancer and the Tropic of Capricorn.

~The largest desert in world is the Sahara Desert in North Africa, (almost 3,250,000 miles).

~In most deserts there is less than 10 inches of rain a year.

~In the desert it is usually hot in day and cool at night.

~Cold ocean currents helped form deserts.

~The driest desert in the world is the Atacama Desert in South America (the average rainfall is .4 inches per year).

~The highest sand dune recorded, is in the Sahara Desert at 1410 feet, high

~Animals in the desert have to adapt to their environment, some of these animals are:

~The Jackrabbit that has long ears that gets ride of extra heat.

~The Kangaroo rat that gets water out of the seeds it eats.

~The Roadrunner that gets water from the food it eats.

~The Bobcat that hunts in the nighttime.

~The Side Winder that moves sideways to get a better grip on sandy soil.

~Many animals eat the fruit of the cactus as one of their main food source.

~Many animals are nocturnal.

~Saguaro Cactus facts:

~It grows only in the Sonoran Desert in North America.

~It is the tallest cactus recorded (the tallest one stood in Arizona at 57 feet 11 inches).

~It weighs several tons.

~It can to be almost 200 years old.

~It is a home to many birds.

~Its blossoms open only once a year.