Some snakes are rare in Texas (or endangered nationwide), and these species are subject to special laws meaning it’s illegal to kill, capture, own or sell one. Some species of rattlesnake are named for the region in which they can be found, such as the Mexican west coast rattlesnake, Catalina Island rattlesnake and the South American rattlesnake. Venom type B appears to be prevalent in C. scutulatus found within the state of Texas, but snakes with a mixture of both types of venom have been found. In the state of Texas, killing snakes is legal, unless the snake is on the list of protected species. The Texas indigo snake is listed as threatened in Texas, so they cannot be legally hunted or killed. This is a helpful adaptation for snakes. Rattlesnakes are not protected by law in the state of Texas. An Odessa vet's office reports it's had about a dozen dogs bitten by rattlesnakes in just one day. The state of Texas is home to many snake species, some of them venomous: these include the cottonmouth, the copperhead, the Western rattlesnake, the timber rattlesnake, the blacktail rattlesnake, the Western diamondback rattlesnake, the Massagauga pygmy rattlesnake and the harlequin coral snake.. The timber rattlesnake isn't as quick to defend itself as its western diamondback cousin. This snake typically measures 3.5 to 4.5 feet in length, though some specimens have been longer. Yet, rattlesnakes are a real problem in one city in Texas. This is a list of all sure genera, species and subspecies of the subfamily Crotalinae, otherwise referred to as crotalines, pit vipers, or pitvipers, and including rattlesnakes (Crotalus and Sistrurus.This list follows the taxonomy as of 2007 provided by ITIS, which was based on the continuing work of Dr. Roy McDiarmid.. Other species of rattlesnake are named for the method of motion they use. Venom type B is similar to most other U.S. rattlesnakes in being hemotoxic, effectively destroying tissue around the site of the bite. Species list. It’s a subspecies of the Eastern indigo snake, which is protected in many parts of its range. The only venomous species on this list is the timber rattlesnake. So, knowing when snakes are most active is vital for the safety of everyone. Venom type B appears to be prevalent in C. scutulatus found within the state of Texas, but snakes with a mixture of both types of venom have been found. The venom keeps small prey still so the snake can grab it with its mouth and swallow it whole. Aside from that, all snakes are fair game. Only three species interact significantly with human beings, however-the western diamondback ( Crotalus atrox ), the prairie ( C. viridus viridus ), and the eastern timber or canebrake ( C. horridus atricaudatus ). Photo: www.publicdomainpictures.net Of all the venomous snakes in the Texas Hill Country, the western diamondback rattlesnakes are the ones you’ll most likely see. Perhaps the most common snake named for this type of action is the sidewinder. It’s then snake breeding season in Texas. Other populations of other species of rattlesnakes have also been found to have small percentages of Mojave toxin present in their venoms as well. And rattlesnakes live in mountains, prairies, deserts, and beaches - basically everywhere across the country. Venomous snakes have poison to inject in their prey. Because they prefer woodlands, as their name implies, as well as wet areas, timber rattlesnakes live in the eastern third of the state. But, if you can avoid snake hiding places, you will likely avoid being bitten. Be careful because it won’t always rattle before attacking. Snakes help the balance of nature by eating prey that reproduces frequently, everything from earthworms to rabbits. Though these snakes can gather in large dens over the winter, you’ll probably never encounter one. Agkistrodon, American ground pit vipers Texas has some ten rattlesnake species and subspecies, more than any other state except Arizona. Snakes also eat eggs. However, in Texas you can also come across some non-venomous snakes that look similar … Of the many rattlesnake types in Texas, the western diamondback is the most prevalent. Here's what every Texas homeowner should know about rattlesnakes. Texan rattlesnakes, and all other species of snakes, start to emerge as soon as it gets warm outdoors. Snake season in Texas begins in late February and early March. Texas Parks and Wildlife describes the timber rattlesnake as having "20 to 29 dark, V-shaped crossbars with jagged edges" forming a distinctive pattern across the back. Snakes are especially important in the control of mice and rats. One puppy died, while the others are still recovering from their bites.