Western Diamondback Rattlesnake, Texas. Western Diamondback Rattlesnakes can occasionally reach 5 to 6 feet long, and with their heavy bodies, can be a very impressive in appearance. The venom of the Western Diamondback Rattlesnake causes Proteolysis. A bite from a Western Diamondback causes extreme swelling (as in the video below), and tissue damage, as well as death.
Link to Picture of Horned Lizard on a log Grew up in South Texas when they were everywhere.
Venomous Snakes of Texas - Texas Parks and Wildlife [Official]