Almost stepped on it. Began to rattle.
C. atrox found on the grounds of the Independence Creek Nature Preserve in west Texas. Specimen was observed roughly 15 meters from creek, heading away from water. Captured and preserved in the University of Texas herp collection. C. atrox specimen appeared to have recently eaten. While processing for preservation, stomach contents were examined, revealing two juvenile rabbits of unknown genus/species (pic included). Captured at night, cool conditions, roughly 55-60 degrees F.
Mad Island Marsh Preserve, colder morning didn't move much
Buenos Aires National Wildlife Refuge
Crotalus atrox, the western diamondback rattlesnake, is a venomous rattlesnake species found in the United States and Mexico. It is likely responsible for the majority of snakebite fatalities in northern Mexico and the second-greatest number in the USA after C. adamanteus. No subspecies is currently recognized.