McMahon's viper
Eristicophis macmahonii
Description: Sandy buff color dominates the body, with darker brown spots on the side of the body. The nose shield is broad, aiding in burrowing.
Characteristics: Very little is known about this species. It apparently is rare or seldom seen. This viper is very irritable; it hisses, coils, and strikes at any intruder that ventures too close. Its venom is highly hemotoxic, causing great pain and tissue damage.
Habitat: Arid or semidesert. It hides during the day's sun, coming out only at night to feed on rodents.
Length: Average 45 centimeters (18 inches), maximum 1 meter (3 feet).
Distribution: West Pakistan, Iran, and Afghanistan (Figure E-35).
Figure E-35. McMahon's Viper Habitat