Horned desert viper
Characteristics: As with all true vipers that live in the desert, it finds refuge by burrowing in the heat of the day, coming out at night to feed. It is difficult to detect when buried; therefore, many bites result from the snake being accidentally stepped on. Its venom is hemotoxic, causing severe damage to blood cells and tissue.
Habitat: Only found in very arid places within its range.
Length: Average 45 centimeters (18 inches), maximum 75 centimeters (30 inches).
Distribution: Most of northern Africa and the Mideast.