Extreme North-western tip of Arizona
Mainly Grand Canyon Area
2,000 - 8,000 feet
Desert areas, steep and rocky canyons, rolling hills, high plains
Mates in Spring
Young born in Summer
BITES WHEN HANDLED OR HARRASSED!
Nocturnal during hot months.
Diurnal during cool months.
Hibernates in Winter
Subspecies in Arizona:
1. Grand Canyon Rattlesnake (Crotalus oreganus abyssus)
Found strictly in the Grand Canyon.
2. Midget Faded Rattlesnake (Crotalus oreganus concolor)
Found only in a small area in northern AZ near Lake Powell.
3. Great Basin Rattlesnake (Crotalus oreganus lutosus)
Found in north-west AZ in the Arizona Strip.