What Are Snakes? Facts, Habitat, Diet and Behavior

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Understanding what reptiles are and what makes them unique and special Snakes are fascinating creatures that have captivated human imagination for centuries. Some people are scared of them, others are fascinated and want to keep them as pets.
The limbless reptiles are known for their elongated bodies and specialized scales. But there's more to snakes than meets the eye. Understanding snakes is not just a matter of curiosity. It is also crucial for biodiversity, ecological balance, and human safety. Today, we'll look at snakes' anatomy, types, habitats, diet, and behavior. We'll also explore some amazing snake facts and discuss their conservation status.
Whatever you think about snakes, give these animals a chance to win your heart – or maybe just your interest and respect. Let us show you an introduction to these creatures.

Anatomy of Snakes

Physical Features

Snake Scales

Snakes are known for their long, slender bodies that lack limbs. Their anatomy is a marvel of evolutionary engineering. They are designed for a life of slithering and hunting. They have a streamlined body that reduces drag, which allows them to move smoothly through different terrains.

That is how they can slither through grass, sand, jungles, trees, and water bodies (depending on the species), and you won't even notice them approaching if you are not keeping an eye out.

Specialized Scales

The scales of a snake are not just for show - they serve functional purposes. These specialized scales provide protection and also aid in locomotion. The belly scales, for instance, are broader and help the snake to grip surfaces as it moves.

Flexible Jaw Structure

One of the most astonishing features of a snake is its flexible jaw. Unlike most animals, a snake's jaw is not rigidly attached to its skull. This allows them to open their mouths incredibly wide and swallow prey much larger than their head. It sounds pretty scary and looks frightening, too. You wouldn't want to be a little mouse or bird caught up in a snake's grip (and mouth). 

According to National Geographic, some snakes have developed unique anatomical features to adapt to their environment. For example, sea snakes have paddle-like tails for better swimming, while burrowing snakes have a spade-shaped snout for digging. 

Types of Snakes

Venomous vs Non-Venomous

Reticulated Python Snake

Reticulated Python.

Not all snakes are created equal when it comes to their bite. Some snakes are venomous, equipped with fangs to inject venom into their prey or predators. Others are non-venomous and kill their prey through constriction or other means.

Common Species

There are over 3,000 species of snakes, ranging from the well-known, like the king cobra and python, to the less familiar, such as the vine snake or the garter snake. Each species has its unique features, habitat, and behavior.

Size and Weight Variations

Snakes come in all sizes, from the tiny Barbados threadsnake, only about 10 centimeters long, to the massive reticulated python, which can grow up to 23 feet. Their weight can also vary significantly, from as light as a few grams to as heavy as 500 pounds in the case of the green anaconda.

Snake Habitats

Geographical Distribution

Snakes are incredibly versatile creatures. They can be found slithering around on every continent except Antarctica. You'll be able to find them in the rainforests of the Amazon as well as in the deserts of Africa. These reptiles have adapted to a wide range of environments.

Types of Environments

Snakes inhabit various ecosystems, including forests, deserts, grasslands, and even aquatic settings like rivers and oceans. Some species prefer the dense foliage of rainforests, while others are more at home in arid landscapes. It really depends on the snake species. Did you know that there was this much variety in the world of snakes?

Climate Considerations

Most snakes live in tropical regions where the climate is warm year-round. However, some species have adapted to colder temperatures by entering a state of brumation during the winter months, allowing them to survive in various weather conditions. Pretty tough!

Snake Diet

Bush viper eating a rodent

Bush viper eating a rodent.

What They Eat

Snakes are primarily carnivorous, feeding on a range of animals, from rodents and birds to larger prey like deer and pigs. The size and type of their prey often depend on the snake's size and hunting capabilities.

How They Hunt

Snakes employ various hunting techniques, from ambushing and constricting their prey to using venom to immobilize it. Some species are more aggressive hunters. They use speed and force to capture their meals.

Specialist Diets (e.g., Egg-Eating Snake)

Some snakes have specialized diets that have led to unique adaptations. For instance, the egg-eating snake has a jaw that can stretch wide enough to swallow eggs, which make up its entire diet.

Snake Behavior


Snakes move in various ways, most commonly by slithering in an 'S' pattern. Some species, like the sidewinder, have developed unique forms of locomotion to navigate their specific habitats.

Social Behavior

While many snakes are solitary, some species exhibit social behaviors, such as communal nesting and mating rituals. These interactions are complex and are a subject of ongoing research.

Brumation vs Hibernation

Contrary to popular belief, snakes do not hibernate but enter a state of brumation during colder months. This significantly reduces metabolic activity, allowing them to survive without regular feeding.

Snake Reproduction

Mating Rituals

Snake mating rituals can be as varied as the species themselves. Some engage in elaborate dances, while others engage in combat to win over a mate.

Egg-Laying vs. Live Birth

Snakes reproduce in two primary ways: laying eggs or giving birth to live young. Oviparous snakes lay eggs that hatch later, while viviparous species give birth to live young. Some species, known as ovoviviparous, carry eggs inside their bodies, which hatch internally, resulting in live birth.

Snake Senses

Snake smelling with tongue

Gold ring snake smelling with tongue.


While many snake species have limited vision, some - like boas and pythons - have developed keener eyesight to aid in hunting larger prey. These species also possess pit organs that allow them to detect heat. This is much like looking through infrared goggles.


Snakes have an extraordinary sense of smell, which they use to track prey and sense predators. Instead of a traditional nose, they use Jacobson's organs in their mouths to detect scents by flicking their tongues.


Snakes lack external ears but have internal structures that allow them to sense vibrations. Recent research has even suggested that some snakes can hear within the human vocal range.

Skin Shedding

Bush Viper shedding skin

Bush viper shedding skin.

Why Snakes Shed Their Skin

Snakes shed their skin to allow for growth and to remove parasites. Younger snakes shed more frequently as they have more growing to do. 

The Process of Shedding

Shedding involves the snake rubbing against a hard surface to tear the old skin, peeling away in one continuous piece over several days.

Amazing Snake Facts

  • Some snakes can open their mouths up to 150 degrees, allowing them to consume prey much larger than themselves.
  • Some snake species can live up to 25 years, continually growing throughout their lifetimes.
  • According to World Animal Protection, the king cobra is considered the most intelligent snake, and some species can even glide through the air for over 400 meters. 
  • Some species like the paradise tree snake can even glide through the air for over 400 meters. 

Snake Records

  • Longest Snake: The reticulated python holds the record for the longest snake. It measures up to 23 feet. 
  • Fastest Land Snake: The black mamba can move up to 12 miles per hour, making it the fastest land snake. 
  • Most Venomous Snake: The inland taipan, also known as the fierce snake, is the most venomous snake in the world. Stay away from that one!
  • Smallest and Largest Snakes: The smallest snake is the Barbados thread snake, measuring about 10 centimeters, while the green anaconda is the heaviest. It weighs up to 97.5 kilograms.

Snake Conservation

Current Status

Many snake species face threats from habitat loss, pollution, and human activities. Some, like the barbados thread snake, are critically endangered.

Conservation Efforts

Conservation is a big topic when it comes to preserving the animal kingdom's diversity. Snakes are no exception here. Many species are endangered and might not exist in the future if we don't act now. 

Conservation initiatives include habitat restoration, anti-poaching measures, and public awareness campaigns. These efforts are significant for the long-term survival of these unique reptiles.

What Are Snakes – Now You Know

Congrats! You have made it to the end of our article on the basics of snakes. You now probably know much more about snakes than before – ranging from their diverse habitats and complex behaviors to their unique physical features and senses.

Maybe you have gained an even bigger interest in snakes and would like to know more: Are there different colored snakes, like blue snakes, purple snakes, or pink snakes, for example? Keep on reading and learning so that you can understand the world around you better. There is always something new to learn – we promise you that!