Do only poisonous snakes have triangular heads?

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Do only poisonous snakes have triangular heads?

Steve Hawkins

Votes: 5409

Nope! The shape of a snake’s head is entirely worthless in determining whether it’s venomous or not. Likewise, the shape of a snake’s pupils means nothing. Many harmless species have relatively broad heads, and many spread their heads when they feel threatened in an attempt to appear venomous. Conversely, some of the deadliest snakes in the world have small, narrow heads, such as the highly venomous Coral Snakes found in much of the Southern and Western United States.

The one way to know whether a snake is venomous or not is to learn to recognize the species in your area. There are tons of online resources for free, and in most parts of the U.S., you’ll only have from one to six species to memorize. In the areas where there are more, the majority are Rattlesnakes, which are pretty easy to recognize as a whole.

Lisa Vitagliano

Votes: 6635

no. some non venomous snakes can make their heads look triangular by flattening their heads and mimicking a venomous snake to fool predators. not all venomous snakes have triangular heads, either. cobras and other elapids, for example, do not have triangular heads.

Brian Lami

Votes: 6149

There is no one characteristic that can tell you whether or not a snake is VENOMOUS. Just leave them alone. If they need to be removed from the area, call someone who is trained to handle them. And please don’t kill them, they perform a vital role in controlling certain pest populations.

Terri Millard

Votes: 7257

Neither of the two poisonous snakes I know of have triangular heads. Venomous snakes however, do have vaguely triangular shaped heads due to the positioning of their venom glands. This is definitely not a reliable identification method though. There are many venomous snake mimics such the Hognose snake, who can flatten out when threatened and make their head appear to be triangular.

Richard Thomas

Votes: 1453

Are all snakes with a triangular face poisonous?

I don’t know of any snakes with a triangular face. But many, but not all vipers, which are venomous snakes, do have a roughly triangular head, viewed from above. There are two problems with this: Many venomous snakes do not have triangular heads, and many nonvenomous snakes can make their heads appear triangular when in a defensive mode.

Rosie Sutton

Votes: 7980

In 2002, a large female cobra Naja annulifera nearly died of necrosis as a result of biting itself. This was precisely the result of the action of her own venom. But this is a rare case – usually vipers and aspids can safely bite themselves, and they’ll be fine. Although, detailed studies of “self-immunity” is rather small …

Animals which have neurotoxins – the most deadly weapon of nature. Almost all animals, except for the cobras themselves, die after a bite of a cobra within minutes after the venom has entered the bloodstream. Neurotoxins attach to muscle receptors, preventing nerve signals from causing muscle contractions, leading to the cessation of breathing and death. However, the bloodstream of vipers contains molecules that neutralize the deadly components of their own venom.

Mark From Missouri

Votes: 804

In Australia, yes. The deadly rough-scaled snake looks very similar to the harmless keelback or freshwater snake. The first is a member of a group called elapids, front-fanged venemous snakes. The second is a colubrid, rear-fanged snakes that are mostly harmless. One difference is that all colubrids have an extra scale on the side of their head between their eye and their nostril which elapids do not have.

The US famously has highly venemous coral snakes and the harmless scarlet kingsnake or milk snake. Both have red, yellow and black bands. “Red to black, venom lack. Red to yellow kills a fellow.”

So which one is this?

Chris Corsi

Votes: 1770

Oh yes. The evolutionary adaptation to look like a dangerous predator, and thus scare off potential foes, is well known in many species, but this is one of the most famous, the coral snake vs the king snake.

You can see that thes two beautiful reptiles are quite similar, and if you saw one moving in less than bright light you could easily mistake one for the other. The one on the left is king snake, harmless to humans; the one on the right is a coral snake, with a very potent venom. (Although to be fair, no deaths from coral snake bites have been reported in the US since the creation of an anti-venom). The trick to spotting who is who is an old axiom among snake fans. “Red touches yellow, kills a fellow” Look at the king snake, you see that the red and yellow scales are separated by a black band, but in the coral, the red and yellow bands touch.

Jim Nieberding

Votes: 7729

Are snakes venomous or poisons?

*Some* snakes are venomous. No snakes are poisonous.

What’s the difference? Venomous creatures have the ability to inject you with a dangerous substance, via fangs, Spurs, nematocysts or just chewing on you hard enough that their poison will enter the wound. Poisonous creatures are dangerous to eat. Once ingested, something about them is dangerously incompatible with your physiology and will harm you. Some mushrooms are poisonous, as is the flesh of many animals, such as the Great White Shark, which contains so much ammonia you might as well drink window cleaner.

Donna Fernstrom

Votes: 4152

What are the different types of poisonous snakes?

Asian tiger snakes are both poisonous AND venomous. There may be other species of the Rhabdophis genus which are poisonous as well. Poisonous snakes are extremely rare.

If you want to know about venomous snakes, that would be a different question.

Robert Devor

Votes: 6662

Easy peasy answer, Karthik Am.

Q. Where are venomous snakes made and stored?

A. Some think it’s by this method:

They would be wrong.

Were you meaning to ask: “Where is venom in certain snakes made and stored?”

Snake venom is produced in the back of the snake’s head in specialized salivary glands; organs that evolved from salivary glands. Ordinary saliva contains enzymes to help digest food as it is chewed and natural selection has favored snakes that include ever more toxic enzymes in their saliva. It is then stored in venom glands.

Caro Anderson

Votes: 4703

They differ in the methods used to subdue their prey. Many snakes are constrictors, which means they must catch & wrap around the body of their prey to prevent it’s escape & to reduce it’s breathing until it dies, at which point they can consume it safely. There are some snakes which are neither venomous nor constrictors- such as garter snakes & racers- they merely catch & gulp down their prey as best they can, & that means there is a limit to the size of prey they can handle- anything with much size will fight back & injure them, but they usually have speed on their side, & they’ll sometime thrash the prey against the ground before swallowing. There is even a snake in Africa that evolved with special adaptations to eat eggs, which of course, don’t fight back at all. Venomous snakes are thought to be the most highly evolved, since the use of venom to subdue prey means the risk of prey injuring them is minimized greatly – they quickly bite to envenomate, then let go & wait for the prey to die. They don’t have to hug the prey the way constrictors do, which often can turn just enough to bite or claw the snake, & even though the prey loses the battle, they can do grievous injury to the snake before they die. When envenomated prey travels away from the snake, the snake will follow the scent & consume it once it stops moving, making envenomation the safest method for the snake. Even in this category, there are some variations- mildly venomous snakes, such as hognose snakes, cannot inject venom efficiently, so they have to hang onto the prey while their milder venom trickles down teeth in the back of their mouth- only this way can they kill & prevent their prey from escape, so these rear-fanged snakes have a harder time. As many are kept as pets, keep in mind that while their venom isn’t usually a serious threat to humans, if they happen to bite you in confusion with prey, they’ll hang on, & some people are more susceptible to the effects of their venom than others. While not considered lethal, it’s still not pleasant, especially if you find yourself to be allergic. (*The venom of hognose snakes is typically lethal only for their usual diet of frogs & toads.)

Chris

Votes: 6192

Thanks for the ATA, This is a particular bugbear of mine, being both a lover of reptiles and of language. I believe Eric Brenner is confusing the two known poisonous snake species (at least, the only two I have knowledge of). One is the common Garter Snake of North America, which in certain populations is known to eat toxic salamanders and become themselves poisonous as a result.The second is the Tiger Keelback (Rhabdophis tigrinis) from Japan, which gets its poison from the toads it eats. Interestingly, the Tiger Keelback biochemically processes the toad-poisons to make them even more deadly, which it then secretes from glands on the back of its neck threatened. Even more interestingly, a mother Keelback with sufficient stored toxin can pass some of it to its brood, giving them a head-start in life.

Ryan Payne

Votes: 2461

First thinga first; take a couple of deep breaths and calm down. For most snake bites, its all shock and awe. The majority of nonvenomous bites do not cause major harm and only minor pain. Some even fail to break the skin.

Most bites will be defensive in nature; the snake will bite and them immediately recoil away. The snake has zero desire to eat you. That being said, they are not the smartest animals; they may confuse you for a rodent. If this is the case, they will likely not let go. (Its almost comical to watch a ball python or corn snake try to “eat” your thumb, only to realize its too large.)

Venomous snakes will almost always release you, regardless of the nature of the bite. Nonvenomous snakes will have to be removed.

This does NOT mean rip the snake off.

(I believe this is a reticulated python skull.)

Almost, if not all, nonvenomous snakes will have several rows of razor sharp, recurved teeth. That is not as terrifying as it sounds. These teeth will produce several dozen relatively “clean” (figurative use of the word) puncture wounds. Their teeth are designed to grip their prey, whereas a dog’s are designed to rip and tear flesh off bone.

If you are bitten by a large python, you will bleed- a lot. You will be in pain. Your house will resemble a murder scene. But, despite all this, you are not in any danger (assuming the snake isn’t constricting your neck/chest, and this is why you always have two people when handling large snakes.)

A large constrictor bite is a worst case scenario nonvenomous bite. Simply relax (hard to do, I know) and analyze the situation. Make the snake let go by pouring a small amount of mouthwash or hard liquor into its mouth. Do NOT use force; you’ll tear yourself up and potentially rip some of the snake’s teeth out.

Once the snake is off, secure it in its enclosure. Go into the kitchen or bathroom and irrigate the bite with large amounts of running water. This will flush out most bacteria and debris. Dry the bite with sterile gauze and rinse with an antiseptic (I highly recommend one with lidocaine in it.) Dab antibiotic ointment on the bite using a sterile cotton applicator and apply a NON-ADHERANT surgical dressing to the bite. This thin piece of petroleum jelly soaked plastic mesh will ensure the gauze is not clotted into the wound. Then dress with sterile gauze to absorb blood and wrap with medical tape (I recommend cloth tape.) Pop some ibuprofen (Motrin) and ice and elevate the bite to reduce swelling and pain. Go to your local pharmacy and get a tetanus booster if its been more than five years since your last one. Monitor the bite for localized infection and seek medical treatment if one develops.

If you begin to feel faint, dress the bite and lie down for a few minutes. This is a phenomenon known as vasovagal syncope that some people suffer from when injured. It is not dangerous in and of itself. (Losing consciousness while driving, however, is not harmless.)

Other than salmonella (which would require you to eat the snake’s feces,) tetanus (which can happen from any puncture wound,) and localized infections, there are no transmissible diseases from snakes.

Venomous bites require prompt medical attention to minimize damage. Don’t panic, call an ambulance, and dress the bite in the same way (just exclude the ibuprofen.) If you are healthy and not allergic, a venomous bite will take several hours to several days to kill. It is an emergency, but you are unlikely to die.

Kurt Lee Price

Votes: 4764

There are literally hundreds of species of green coloured snakes, the vast majority are non-venomous and totally harmless to people, but there are some highly toxic species, like the tree dwelling pit vipers that blend into the leaves making them invisible, you could walk inches past a green mamba without knowing a thing, a green mamba bite can kill a person within 30 minutes, so time is at the essence getting to hospital, a direct bite to the face head or torso is a death sentence.

Dangerous Green Snakes

Mangshan Pit Viper

Eastern Green Mamba

White-Lipped Pit Viper

Boomslang

Guatemalan Palm Pit Viper

Jameson’s Mamba

Bush Viper

Asian vine snake

Green Tree Viper

Wagler’s / Temple Viper

Western Green Mamba

Amazonian Green Jararaca

Lora Parrot Snake

Vogel’s Pit Viper

Eyelash Palm Pit Viper

African Twig Snake

Green Anaconda

King Cobra

Mexican West Coast Rattlesnake

Common Adder

Mojave Green Rattlesnake

Cottonmouth / Water Moccasin

Rowley’s Palm Pit Viper

Philippine Pit Viper

Tiger Snake

Wall’s Krait

Ethiopian Mountain Adder

Chris Reid

Votes: 6965

The populations of Thamnophis sirtalis whose flesh is poisonous because they consume toxic newts are safe to handle or to keep as pets as long as you don’t try to EAT them.

The yamakagashi or tiger keelback (Rhabdophis tigrinus) also has poisonous flesh, but it is not safe to keep as a pet because it is also venomous (has venom glands and can deliver that venom in a bite).

There are a number of venomous snakes whose venom is not generally medically significant to human beings, the most common of which in the pet trade is the Western Hognose snake (Heterodon nasicus). These animals have small fangs at the back of their mouths and chew their venom into their prey; the venom is particularly effective on amphibians like the frogs and toads they eat, and is much less effective on mammals. This is why they’re frequently thought of as “harmless” – because most people do not react to the venom if they are actually bitten and envenomated (although it is possible to have an allergic reaction causing anaphylaxis OR to be more sensitive to the venom than the average, which may result in swelling of the bite site, muscle and joint pain, nausea, a change in blood pressure and general fatigue after a bite). A bad bite from a hognose might ruin your day or your week if you’re sensitive to it (and an allergic reaction, which could happen with any foreign protein, is a potential medical emergency). They’re pretty safe to handle, though you don’t want to do that with food smell on your fingers that might trigger a bite and chew.

Mangrove snakes (Boiga species) and Brazilian smooth snakes (Hydrodynastes gigas, also known as a “false water cobra”) are also found in the pet trade, though more likely restricted to specialist reptile suppliers instead of generalist pet stores. They have venom that tends to affect more people more strongly than a hognose’s does, but are not associated with fatalities. A bite is very likely to cause symptoms of envenomation (and those symptoms will depend on the species, since each species has its own venom composition and effects). A bad bite from either of these species will probably ruin your week and might ruin your month, but barring anaphylaxis you’re unlikely to die. Handling these species, you have to know what you’re doing and how to minimise the risk of being bitten – I wouldn’t call them “safe” in the same way as I would describe a hognose. They also tend to be rather more reactive than your typical pet snake – false water cobras are basically always hungry, while mangrove snakes are nervous and flighty, both of which put you at a greater risk of being bitten.

And if you’ve got a snake whose venom is considered medically significant, that animal is never going to be fully “safe” – although a Gaboon viper, for example, might look slow and placid and might even allow someone to pick it up, all it takes is one startle or mis-aimed feeding strike for things to go very badly wrong – and then that’s a bite that might ruin your limbs or your life – or take it entirely.

Christian Schaefer

Votes: 9282

What snake is less poisonous than a milk snake?

Milk snakes are neither poisonous nor venomous. So there is no such thing as a snake that is “less poisonous” than a milk snake.

David Simpson

Votes: 2571

Do snakes/any creature know that they are poisonous?

Obviously – a venomous creature is aware of its own toxicity.

Venomous snakes are aware that they have the tools to ‘despatch’ prey with a venomous bite. They’re also aware that venom is ‘valuable’ – and shouldn’t be used unnecessarily.

Colin Sanders

Votes: 9138

Very few snakes are poisonous. “Poisonous” is the term used for when you consume something with noxious chemical components. “Venomous” is the term used for animals that inject noxious chemical components into other organisms, such as through bites. Some members of the genus Rhabdophis, the keelback snakes, secrete toxins they ingest from eating toads (thereby making themselves poisonous). Here is where it gets quite interesting, though. Traditionally, only certain groups of snakes were considered venomous, with probably the majority of snakes being considered harmless and non-venomous. With advances in science, we’ve come to learn that the venom gland in snakes is actually just modified salivary glands (the venom gland has the same tissue origin). A recent modern biologist, Bryan Grieg Fry, decided to re-investigate this issue from a different angle – he looked at it from the perspective of genetics. From his findings, it appears ALL snakes have the genetics for venom production. We now know that snakes we thought were non-venomous indeed actually are venomous, such as garter snakes. However, again now equipped with better knowledge, while we may call many more snakes venomous, most of them are not dangerous to humans. Back to the example of garter snakes, we now know that there is a mild neurotoxin in their saliva, it is probably helpful in immobilizing smaller prey (worms, small frogs, mice) for making them easier to swallow, but to us it is not really dangerous, it may cause minor swelling and itchiness. You’ll find that many still adhere to the term “non-venomous” for many snakes that are otherwise harmless to us, but the truth of the matter is likely different.

Matthew Haynes

Votes: 8545

Are Elapid snakes poisonous?

Venomous, not poisonous. But yes. Elapids contain the most fabled venomous snakes: the cobras, mambas, taipans, and sea snakes, the fer-de-lance, and others in a rogues gallery I learned to love from Steve Irwin.

Megan Robinson

Votes: 6396

What are some different poisonous and nonpoisonous snakes?

There’s only a handful of poisonous snakes in the world, most of which are in the genus Rhabdophis. Details are hard to come by, because googling “poisonous snakes” only brings about listicles about rattlesnakes and cobras, but from what I understand they’re poisonous due to their diet of poisonous toads. Much like poison dart frogs, which assimilate and weaponize the toxins in the ants they eat, Rhabdophis take in the poison from the toads they eat and absorb it into two glands which in turn taste rather nasty. Not exactly dramatic, but probably the closest to a poisonous snake you’re going t

Caroline KelleyLouis Stanley

Votes: 5584

What snake has the most potent venom?

The inland taipan, which also called the fierce snake, is considered to have the most potent venom of any snake. These snakes are native to Australia and if a bite from one is left untreated, you could die in as little as half an hour.

The highest amount of venom an inland taipan has ever produced in one bite is 110mg. This is likely enough to kill 100 people, or 250,000 mice, but far less than that is needed to kill. Toxicity of snake venom (and other substances) is measured with LD50. This stands for Lethal Dose 50%, and it’s the smallest amount of a substance needed to kill at least 50% of t

Mark Lapierre

Votes: 6507

Do non poisonous snakes tend to keep poisonous snakes out of an area as some say?

Just to start, with a few exceptions non-venomous snakes predominate in their various habitats. So most snakes are “harmless”, that is they can do more than poke you with their teeth. Some rear fanged snakes, mostly tropical species are harmful to lizards, etc. Snakes might have more ridiculous and ignorant myths told about them than any other types of animals. To answer question, in North America kingsnakes will occasionally eat venomous pit vipers. As a rule if non venomous predominanate, there are fewer resources. Snakes, all types are reclusive. They stay alive by staying out of sight. Rem

George S. Hawkins IV

Votes: 8012

Are there poisonous snakes that are poisonous and toxic?

Poisonous and toxic are the same thing. Yes, there ARE snakes that are poisonous (meaning you cannot eat them) because the prey THEY eat is poisonous and that poison (toxin) is absorbed into the snakes skin making the snake toxic/poisonous to eat.

All other snakes, venomous or non venomous, can be eaten. This is not to say how palatable their flesh is.

Jamie James

Votes: 8775

Can tiny snakes be poisonous?

Yes a new born cobra can kill you i believe.

A pygmy rattlesnake is poisonous

If i remember right there was a small snake in Vietnam that was a real problem during the war.

Rob Adams

Votes: 3629

Are red and white striped snakes poisonous?

Do you mean a snake with just red and white stripes, or stripes of red, white and another color?

This here is a corn snake. They’re not poisinous.

This picture below is of a milk snake. Also non-venomous:

Down there we have a redstripe ribbon snake. Non-venomous, too.

And these little fellas are harmless San Francisco Garter Snakes:

Did I get a picture of the right snake for you?

Carl Belken

Votes: 4325

Is a rat snake poisonous?

If by rat snake you mean Black Snake NO they are not venomous.

When I was a kid I killed a few of them. Until I noticed that when they were around the mouse population decreased on my dad’s farm. After that I encouraged them to stay.

I learned to not be surprised when I found them in odd places. I learned to look before I put my hands in just about anything. Dad kept cow feed in a metal barrel with a lid. I opened it up one day to find two Black Snakes inside. They just laid there and looked at me.

They should not have been able to get inside that barrel but they did. I put the lid back on exactl

Jay Colt

Votes: 1848

Are marsh snakes poisonous?

Snakes are venomous, not poisonous.Also when inquiring about a snake you should use it’s scientific name because marsh snake can mean different animal. Depending on locality and continent a marsh snake could be venomous and in another area not.

If you are talking about

Nerodia clarkii clarkii – Gulf salt marsh snake

Nerodia clarkii compressicauda – Mangrove salt marsh snake

Nerodia clarkii taeniata – Atlantic salt marsh snake

Then no, they are not venomous. A lot of Thamnophis (Garter Snakes) and Nerodia (water snakes) do have a type of anticoagulant in saliva that makes prey bleed quicker to make

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