Arizona contains some of the most intriguing and deadly animals in the United States, such as black widow spiders, western diamondback rattlesnake and the Arizona giant centipede. These are just a few of the animals whose bite causes seriou… read more
Rattlesnakes are members of the viper family of snakes. Each year there are an estimated 7,000 to 8,000 snake bites with venom injection in the United States. These numbers include rattlesnake bites as well as bites from water moccasins, co… read more
The Great Basin Desert is the largest in the United States, covering nearly 200,000 square miles near the Rocky Mountains, the Sierra Nevada Range and the Columbia Plateau. It is a North American desert that experiences a fair amount of pre… read more
California's Sonoran and Mojave deserts might appear to be barren and lifeless to the casual observer, but many types of animals survive in their arid conditions. The Mojave Desert covers 25,000 square miles and much of it lies in southeast… read more
The Sonoran Desert extends from Arizona and California into parts of Mexico. This Mexican desert is unique in that it receives more annual rainfall than any other desert, which allows the Sonoran Desert to be home to a variety of different… read more
The desert may seem lifeless, with few plants and no animals in sight. Don't let appearances fool you, though: deserts are rich ecosystems filled with insects, reptiles, birds and other animals. All these creatures have evolved special adap… read more
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