Some of the more common snakes in the US are copperhead snakes. Although their venom is mild, they are the most likely to bite.

The biology department at Pennsylvania State University says these snakes get their name from their red heads. Some snakes are referred to as copperheads, which is not a scientific name.

Pit vipers are similar to copperheads. The heat-sensory pits between eye and nostril on each side of the head are used by pit vipers to detect minute differences in temperatures so that they can strike the source of heat. Jeff Beane, herpetologist at the North Carolina Museum of Natural Sciences, said that copperhead behavior is similar to pit viper behavior.

Characteristics

Medium-size copperheads are between 2 and 3 feet long. Female copperheads are longer than males, but males have proportionally longer tails.

The bodies of copperheads are patterned. Their pattern is a series of dark, chestnut-brown or reddish-brown crossbands, each shaped like an hourglass, dumbbell or saddlebag. The saddlebags are wide on the sides of the body and narrow in the center of the back. Small dark spots may be in the spaces between the crossbands.

Many nonvenomous species of snakes have the same coloring and are often confused for copperheads. The only type of snakes with hourglass-shaped markings are copperheads.

The snake's head lacks adornments other than a pair of dark dots on top of it. He said that copperheads' bellies were grayish or brownish, with brown, gray or black smudges on the sides of its belly.

The copperheads are muscular and have scales on their heads. Their heads are triangular andarrow-shaped, with a ridge between the eye and nostril, according to Beane. Their irises are usually orange, tan or reddish brown and their pupils are vertical.

The young copperheads have bright yellow or greenish yellow tail tips. The color fades in a year.

Habitat

According to Beane, copperheads live from southern New England to West Texas and northern Mexico.

Female copperhead snakes have been known to asexually reproduce

A copperhead snake, like the one pictured here, had a litter of four offspring in 2009. But the snake hadn't had any contact with a male in five years. Scientists confirmed recently the female copperhead was the first evidence of virgin birth in a pit viper snake. (Image credit: Credit: Chuck Smith)

The northern, northwestern, southern, and two southwestern copperhead have different geographic ranges. The northern copperhead has a large range from Alabama to Massachusetts and Illinois.

copperheads are happy in an extremely wide range of habitats and usually at least some semblance of woods or forest habitat is present. Ecotones are transition areas between two communities. According to Penn State, they like rocky, wooded areas, mountains, thickets near streams, desert oases, canyons and other natural environments.

copperheads are tolerant of habitat change according to the lab. They are able to survive in the suburbs. Sometimes copperheads can be found in wood and sawdust piles. They usually seek shelter under surface cover such as boards, sheet metal, logs or large flat rocks.

Behaviour

The copperheads are not very social. They usually stay in communal dens and return to the same one every year. The montane is a forest area below the timberline with large, coniferous trees. While basking in the sun, drinking, eating and courting, the Piedmont and Coastal Plain snakes can be seen together.

In the spring and fall, copperheads are out and about, but in the summer they become nocturnal. Being out on warm nights after rain is something they enjoy. While they usually stay on the ground, copperheads will sometimes climb into low bushes or trees to find food or to bask in the sun. They sometimes go swimming.

Scientists theorize that copperheads migrate late in the spring to their summer feeding area and return home in the fall.

Diet

Most of the time, they get their prey by "sit-and- wait ambush." However, they sometimes do hunt, using their heat-sensitive pits to find prey.

When attacking large prey, copperheads bite the victim and then let it go. Once the prey has died, they let the venom do its job. Smaller prey is usually held in the mouths of the snakes. The jaws of copperheads are flexible and can be used to swallow a meal. Adult copperheads can eat up to 12 meals a year, depending on the size of their dinners.

Reproduction

The copperhead breeding season lasts from February to May and from August to October. When two or more men meet in the presence of a female, they may engage in ritual combat. The snakes that lose don't challenge again. Females will always reject males who back down from a fight with her.

Copperhead babies are born live.

Copperhead snakes don't lay eggs - babies are born live. (Image credit: Matt Jeppson (opens in new tab) Shutterstock )

Eggs are born inside the mother's body with the help of copperheads. There are babies born. Females will give birth to babies from two to 18 years old in late summer or fall. The female at The Maryland Zoo will store sperm and defer fertilization for months until she is ready to have a baby. The baby copperheads have fangs and venom that is comparable to an adult's.

Penn State says that young copperheads are 20 to 25 cm long and have fangs and venom. Most of the time they eat insects.

Young copperheads may have different hunting habits than adults. He said that young snakes may sit motionless. The tail resembles a small caterpillar or other insect and may attract a lizard or frog within striking range.

Classification and taxonomy

The Taxonomy of Copperheads is stated in the Integrated Taxonomic Information System.

The Kingdom: Animalia Subkingdom: Bilateria.

  • Agkistrodon contortrix contortrix (Southern copperhead),
  • Agkistrodon contortrix laticinctus (broad-banded copperhead),
  • Agkistrodon contortrix mokasen (Northern copperhead),
  • Agkistrodon contortrix phaeogaster (Osage copperhead)
  • Agkistrodon contortrix pictigaster (trans-Pecos copperhead)

Bite

The North Carolina State University Cooperative Extension Service says that copperheads bite more people than any other snake. It is not very potent.

Unlike most venomous snakes, copperheads give no warning signs and strike almost immediately if they feel threatened.

Unlike most venomous snakes, copperheads give no warning signs and strike almost immediately if they feel threatened. (Image credit: Papilio / Alamy Stock Photo)
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If they feel threatened, copperheads strike almost immediately. The hemotoxic venom of copperheads can cause temporary tissue damage in the immediate area of a bite. Their bite is not fatal to humans, even though it is painful. Children, the elderly and people with compromised immune systems should seek medical attention if they get bitten by a copperhead.

Beane thinks you should allow a copperhead snake to live in your yard. He told North Carolina's Blue Ridge Public Radio that if they are coiled up somewhere where they want to be, they will remain completely still and hope that you don't see them or bother them. They will try to get away if you disturb them. They're going to try to get back to what they were before you moved them.

"They eat a lot of species that we don't like, like mice and rats, that can cause diseases and problems, so it's good to have a Copperhead near your house." Snakes are swallowing a lot of ticks if they eat a lot of rodents. There are diseases caused by ticks, such as Rocky Mountain spotted fever. There are studies showing that snakes are important tick destroyers.

Research

Recent research on the US National Library of Medicine shows that snake venom can be used in cancer treatments. Scientists have found a way to stop the growth of tumors with the help of copperhead venom. Two weeks after human breast cancer cells were injected, researchers at the University of Southern California injected the contortrostatin into the mammary glands of mice.

The growth of the tumor and the growth of blood vessels that supply the tumor were slowed by the injection of theProtein. One place where breast cancer can spread effectively is the lungs.

Other facts

  • The length of a copperhead's fangs is related to the length of the snake — the longer the snake, the longer the fangs.
  • When touched, copperheads sometimes emit a musk that smells like cucumbers.
  • The penny is sometimes called a copperhead.
  • Northern Democrats who opposed the U.S. Civil War were called Copperheads, according to the Journal of the Abraham Lincoln Association (opens in new tab).

Additional resources

Do copperheads pose a danger? The Cooperative Extension Service at North Carolina State University encourages people to avoid copperhead snakes. You can find a detailed fact sheet about copperheads at the zoo.

The original article was published on Live Science in December of 2021.