More information about Banded Rock Rattlesnakes:

Photo from International Rattlesnake Museum


Physical Description
* They are 16 - 32 5/8 (40.6-82.9) centimeters.
* The record is 82.9 centimeters.
* Skin color functions as a camouflage to blend in very well with their surroundings.
* They have an unusual pigmentation.  Both races of rock rattlers are attractive to reptile fanciers and are protected from capture by state law.
* This species is one of the few rattlesnakes which demonstrates sexual dimorphism.
* The males are larger and are often colored wth a greenish-gray hue.
* The females are bluish-grey or pinkish-tan.
* Banded Rock Rattlesnakes have widely spaced, bordered narrow black or brown crossbands.
* They have dusky spotting betwen the bands.
* Scales are keeled in 23 rows.
*The male's tail is7.0-10.1% of the body, and the female is 6.0-8.5%.
Rattlesnake Behaviors
* Rattlesnakes are live-bearers that protect their young when born.
* They are dangerous and deadly animals.
* Rattlers can strike two-thirds their body length.
* Rattlesnakes are secretive and non-aggressive.

Rattlesnake Body Parts

* Rattles are a series of interlocking segments that are bouncing against each other.
* They are hollow and made of keratin just like fingernails.
* Rattles are shaken at high speed to emit a warning.
* The rattle is developed after several sheddings of the skin.
* The rattle is used for intra-species communication, called caudaling.
* Rattlesnakes use their fangs, also called "hypodermic fangs"to inject venom.
* The fangs are 3.2-3.6 mm long.
* Their tongue is used as a sensory organ to pick up air molecules.
* They have a "pit" between the eye and the nostril that is a sophisticatd skin membrane that can actually pick up one degree variance in  temperature up to twenty or thirty feet away.
* They don't have an auditory sensory  device, They use the pits to detect sound. 



Banded Rock Rattlesnake Breeding:
* They normally have 2-8 young.
* They are 6 3/4 - 8 3/4 (17-22)cm.
* Their young are born in July and August.
* The babies have a bright yellow-tipped tail when born.
General Information About Banded Rock Rattlesnakes:
* Crotalus lepidus has 36 diploid chromosomes: 16 macrochromosomes and 20 microchromosomes.
* Sex determination is ZW, with the heteromorphism occuring in the fourth pair of macrochromosomes in the female.
* Captive longevity record for this species is 23 years.


Photo from  Southeastern Hot Herp Society
(photo by Micah Stancil)

Sources and Links
Banded Rock Rattlesnake Main Page