What happens if a president loses an election but won't leave the White House? Sure, the whole snakes on a gun vibe will leave the ophidiophobia sufferers among us feeling uneasy – but its associated perks should remedy that. , This species is currently under review for being added to the Endangered Species List by the United States Fish and Wildlife Service owing to its recent decline, and the current population represents only 3% of the historical population. By Because of their large size, adults have no problem eating prey as large as fully grown cottontail rabbits. Large diamondback females have been known to give birth to 20 or more young. Though this animal is considered a species of least concern, conditions on the ground suggest it may be in trouble. Select from premium Diamondback Rattlesnake of the highest quality. Most bites occur when humans taunt or try to capture or kill a rattlesnake. A Phoenix resident got an unwelcome surprise recently in the shape of a large western diamondback rattlesnake. Don’t assume it is a venomous species, and don’t attack it if it doesn’t pose a threat to your safety. Specimens over 2.1 m (7 ft) are rare, but well documented. (6.7 kg). The eastern diamondback rattlesnake is North America's longest, heaviest venomous snake! This snake is considered a generalist, which means that it isn't too picky about its habitat. Most often, they were viewed as powerful and dangerous; and some cultures even associated them with witchcraft. When threatened, it raises the anterior half of the body off the ground in an S-shaped coil, and can strike to a distance of at least a third of its body length. Six to 21 snakes are born live, after hatching from eggs within the mother's body. The Western diamondback rattlesnake is a medium-sized venomous snake found in Northern America.  Many will stand their ground and may strike repeatedly, but if given the opportunity, they will usually retreat while facing the intruder and moving backwards towards shelter, after which they disappear. They overwinter with other western diamondbacks, often hibernating in large numbers, in underground or deep, rocky crevice dens. Diamondbacks are ambush predators, lying in wait beside logs or near the roots of fallen trees for prey to come along. The eastern diamondback rattlesnake is North America's longest and heaviest venomous snake. , In proportion to its length, it has the longest fangs of any rattlesnake species, with calculations leading one to expect an 2.4-meter (8 ft) specimen would have fangs with a total length of over 25 mm (1 in). The Western diamondback rattlesnake is a medium-sized venomous snake found in Northern America. It has dark diamond-shaped patterns along is back. Their favorite prey animals are small mammals such as local rabbits, ground squirrels, mice and an occasional bird. All rights reserved. , The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24–35 dark brown to black diamonds with slightly lighter centers. The color pattern od these snakes generally consists of the dusty-looking gray-brown ground color, but it may also be pinkish-brown, brick red, yellowish, pinkish, or chalky white. More people are envenomated by the western diamondback rattlesnake than any other rattlesnake species in the United States.  The estimated human lethal dose is 100–150 mg., The venom contains a thrombin-like enzyme, "crotalase", capable of clotting fibrinogen, leading to the secondary activation of plasminogen from endothelial cells. Because of this, and the fact that segments can break off, you really can't tell a snakes age by counting the segments. When a rattlesnake vibrates its tail, these segments click together and produce a buzzing sound. However, it has on occasion been reported in bushes and trees, apparently in search of prey. "Eastern Diamondback Rattlesnake". The diamondback is crepuscular, or most active in the evenings and early mornings. The official roundup kills about 2,000 eastern diamondbacks each year, and hunters freeze the snakes until their bodies can be collected for their skin. The species is endemic to the southeastern United States. The Reptile Discovery Center is home to a female eastern diamondback rattlesnake. , CroFab and Wyeth's ACP are effective antivenoms against bites from this species, although massive doses may be needed to manage severe cases of envenomation. The eastern diamondback rattlesnake can be blackish-gray, olive green or muddy gray. , The eastern diamondback rattlesnake frequently shelters by tunneling in gopher and tortoise burrows, emerging in the early morning or afternoon to bask. It stimulates the release of bradykinin that can result in severe pain, as well as profound, transient hypotension. This is the farthest known reach of the snake to date. Their average length is 0.8 to 1.8 meters (3 to 6 feet), but some adults can be as long as 2.4 meters (8 feet). So-called loreal pits, which are located on each side of the head just behind the nostrils, form the external openings to an extraordinarily sensitive infrared detection organ. The western diamondback rattlesnake is the largest of the 32 known species of rattlesnakes found in North America, capable of growing to a length of 8.5 feet (2.6 meters). Adult eastern diamondback rattlesnakes do not have any natural predators, but young rattlesnakes have many, including hogs, gray foxes, red-tailed hawks and kingsnakes, as well as other carnivorous mammals, raptors and snakes. The snakes don't always rattle before they strike, especially if they are startled or if they are cold. Woman sheds coronavirus for 70 days without symptoms. So too are the unique animals that have evolved to survive and thrive in these varied and harsh lands. You can be an incredible ally for conservation! They are natural exterminators, surviving on such household pests as rats and mice, as well as squirrels and birds. They are one of the more aggressive rattlesnake species in the US in the way that they stand their ground when confronted by a foe. However, they do suffer locally from habitat destruction and roadkill. Generally, ACP is very effective at countering the defibrination syndrome that is often seen, but may do little for low platelet counts. Bites are extremely painful and can be fatal to humans. The snake pursues its kill and eats it once it is dead. Diamondbacks have many predators and not always because the predator wants to eat them. This snake species is classified as Least Concern on the IUCN Red List (v3.1, 2001). Neonates are 30–36 cm (12–14 in) in length and are similar in appearance to the adults, except for having only a small button instead of a rattle on the tip of their tails.. Females give birth to between 7 and 21 young at a time, usually between July and early October. Western diamondback rattlesnakes are a heavy bodied snake with a distinct, triangular-shaped head. Future US, Inc. 11 West 42nd Street, 15th Floor, Own your adventure. This species ranges throughout the southwestern United States (Arizona, California, New Mexico, Oklahoma and Texas)and northern half of Mexico. The snakelets are fully-developed and capable of delivering a venomous bite from the moment they are born. "Venom Poisoning in North American Reptiles". For that reason, these young rattlesnakes are sometime locally called the "invisible snake." But diamondbacks shed at different rates and the segments of their tails can break off; so it is not possible to determine the age of a diamondback by counting the segments of its tail. The eastern diamondback can live beyond 20 years, but life expectancy in the wild is now typically shorter because of hunting and human expansion. According to IUCN, the Western diamondback rattlesnake is locally common and widespread throughout its range but no overall population estimate is available. Western diamondbacks can go for up to two years without food in the wild. Photos: Orcas Are Chowing Down on Great-White-Shark Organs, NASA finally makes contact with Voyager 2 after longest radio silence in 30 years, Rare wolf spider presumed extinct turns up on British military base. Please be sure to review the FAQs before your visit. However, other venomous snakes may rival this species in weight. Because of their small size, the newly born western diamondback young are very vulnerable to birds of prey, other snakes and carnivorous mammals. Thank you for signing up to Live Science. For example, a 6 foot snake could strike up to a distance of 4 feet. Diamondbacks will often spend the hot daytime hours coiled in the shade of low-growing shrubs, piles of natural or artificial debris, or rocks. 5. "Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (. What was the largest empire in the world?  It also contains a low-molecular-weight basic peptide that impedes neuromuscular transmission and can in theory lead to cardiac failure. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides.