It's a common misconception that the British Isles are completely barren of reptile, but that just isn't the case. If you're exploring the hedgerows or walk along the Kent seacoast, you might actually spot a European grass snake relish on a warm stone. The resolution to whether snakes are aboriginal to England is a resonant yes, though the miscellanea is far more limited than in warmer climate.
A Brief History of British Reptiles
To read the current province of British herpetofauna, we have to seem at the ancient geography of the island. England wasn't always an island differentiate from the continent; for a substantial portion of the Cenozoic era, a domain bridge connected it to mainland Europe. During the warm interglacial periods, creature from the south - including various coinage of snakes - were able to transmigrate northward and found populations on the British landmass.
As the mood cooled and sea tier rose, this demesne bridge fell, isolating these universe. Some mintage, like the adder, subsist the frigidity, frozen periods by retreating south or adapting to specific microclimates. Over chiliad of years, these animals evolved into the distinguishable lineages we recognize today, creating a unique ecosystem that, while small in number, is perfectly conform to the specific challenges of the British environment.
The Ice Age Factor
The most significant event that shaped the front of snakes in England was the terminal Ice Age, which peaked around 20,000 age ago. During this period, much of Northern Europe was bury under thick sheets of ice. England, while not only devoid of ice, turn mostly uninhabitable for cold-blooded fauna that couldn't generate enough body warmth to go the freeze winters.
- Thaw Ice: As the ice sheets retreated, a few hardy mintage negociate to recolonize the new divulge land.
- Niche Survival: Native ophidian had to encounter specific safety, much in the south-west of England where temperature were slimly more absolvitory.
- Evolutionary Bequest: The genetic variety of these snakes is quite low liken to their continental cousin-german, which explains why there is only a individual native genus, Vipera, found in the wild.
Officially Recognised Native Species
While many citizenry trust there are no snakes in the UK, there are actually three species that are lawfully recognised as British natives. These reptiles are protect under UK law, make it illegal to harm, defeat, or sell them without a licence. If you are lucky plenty to encounter one, it is better to admire it from a length and leave it undisturbed.
1. The Adder (Vipera berus)
The adder, also known as the common viper, is the simply venomous snake aboriginal to the British Isles. It is easily recognisable by its distinguishable zig-zag design along its dorsum, although this marking can alter in intensity or yet vanish in some individual.
Size isn't a major ingredient; adder are comparatively small, typically grow to about 60 to 90 cm in length. They are adventuresome and can be found in a wide motley of habitats, include heathlands, moorlands, grassland, and yet the edge of wood. They are shy beast and will usually alone sting if provoked, stepped on, or galvanise.
2. The Grass Snake (Natrix natrix)
Often erroneously identified as an adder due to greenish hues, the grass ophidian is the orotund and most aquatic of the British snake specie. It can reach duration of up to 1.5 metres.
Unlike the adder, the supergrass snake is totally harmless and has a very docile nature. It is frequently found near freshwater, trace for frogs and newt in the h2o. You might also see one on dry land basking in the sun on a hedgebank or garden paries.
3. The Smooth Snake (Coronella austriaca)
This is the rarest of the three aboriginal mintage. It is not a true snake but sooner a legless lizard, though it has evolved to look and act unmistakably like a ophidian. It is entirely non-venomous.
Smooth snakes prefer dry, sandy, or exposed rocky habitat, often heathland. They are specialist and have a very qualified reach, being chiefly launch in the heaths of Dorset, Hampshire, Surrey, and Sussex. Because of their infrequency and specific habitat requirements, they are a real delicacy for dedicated herpetologists.
| Coinage | Habitat Type | Venomous? | Condition |
|---|---|---|---|
| Adder | Heathlands, moors, grasslands | Yes | Common (Protected) |
| Grass Snake | Marshes, pond, hedgerows | No | Common (Protected) |
| Smooth Snake | Heathland, jolty gradient | No | Rare (Protected) |
Why Don't We Have More Native Snakes?
The short result is climate and geographics. The English climate is moderate and comparatively cool, with wet summer and mild winters. Snakes are heterothermic, entail they rely on external heat sources to influence their body temperature.
If you compare England to southern Europe or Mediterranean regions, the absence of aboriginal snakes makes perfect sense. Those regions have the warmth and varied ecosystems - such as dry scrubland and olive groves - that support a diverse range of snakes.
Nevertheless, the fact that we have three mintage at all is a will to their resilience. Through natural selection, these reptiles have adapted to exist in surroundings that are far more thought-provoking for them than for the reptilian of France or Spain.
Note: If you ever cover a untamed snake, always lave your hands afterwards. Even non-venomous snakes can carry Salmonella bacteria on their cutis, which can be harmful to homo, especially immature children.
Non-Native Species and Invasive Populations
It is deserving noting that England isn't alone free of snakes just because they aren't all aboriginal. Over the 100, a number of non-native species have been introduce, either accidentally or on function.
British Wildlife and Zoo Species
Some of these unveiling have been the result of escaped pets. There have been well-documented sightings of species such as the Royal Python, the Aesculapian Snake, and the Winter Snake in the wild. While some of these might survive in very specific microclimates, they generally do not found breeding populations that threaten the native ecosystem.
The Aesculapian Snake
This ophidian, which is close connect to the sound native Grass Snake but has a completely different diet (it is principally arborescent), has constitute a self-sustaining universe in the Wimbledon Common area of London. While this may look interest to some, the serpent personate no threat to humans and has merely found a comfy recession in a different environment.
Racers and Whip Snakes
There is also a growing concern see the Long-nosed Lizard and the Montpellier Snake, which have been launch in parts of the UK, belike arise from the pet patronage. It is essential that the public report sighting of these fauna to local wildlife reliance brass to facilitate expert monitor whether these non-natives are establishing a foothold.
Conservation Efforts
Despite their daring, aboriginal snake population in England have face significant decay in late decades. Modernistic agrarian exercise, such as the increased use of pesticides and the draining of wetlands, have ruin much of the critical habitat these beast rely on.
Hedge remotion and the general intensification of farm have fragmentize the landscape, create it unmanageable for snakes to chance food, mate, and bask safely. Road net also pose a significant risk, as many snakes are killed while seek to cross roadstead during their seasonal move.
Gratefully, conservation feat are in spot to try and overthrow this drift. Local Wildlife Trusts manage specific nature reserves specifically for reptiles, creating 'hibernacula' (sheltered region for wintertime) and ensuring safe savour spots. If you are concerned in helping, but leaving a patch of long supergrass or a wild corner in your garden can create a vast difference for local herpetofauna.
How to Spot a Snake in England
Spotting a ophidian requires a bit of patience and cognition of where to seem. Because they are mysterious and often lie still to husband energy, they can be easy to pretermit.
- Time of Day: Snakes are diurnal, meaning they are most active during the day, specially when the weather is warm and cheery.
- Season: The main action period runs from April to October. Snakes hibernate during the cold winter months.
- Enshroud Spots: Seem under flat rock, old log, or within dense vegetation. Snakes will much curl up in warm country during the cooler parts of the day.
If you observe one, think to continue your length. Taking a photo is fine, but approaching too intimately can stress the animal or induce it to strike defensively.
Common Myths About British Snakes
Despite their preponderance in folklore and urban fable, many myth endure about British ophidian. Expose these is crucial for public refuge and discernment.
Myth 1: "Grass snakes drown if they go into water."
This is completely false. Grass snakes are fantabulous natator. They really hunt for quarry in the h2o and are know to pass a important sum of clip swim just below the surface or moving through reed bottom.
Myth 2: "Snakes can chase humans."
No snake in England has the reflex, speed, or stamina to trail a human. They are reluctant to displace at all unless endanger. If a serpent appears to be postdate you, it is likely just moving towards a destination or away from something behind it that you haven't comment.
Myth 3: "The Adder is always dangerous."
Adders are the but vicious ophidian in the UK, but bites are really rather rare. Most bites occur when citizenry try to handle the ophidian or measure on one unexpectedly while walking through tall grass. With prompt medical attention, adder morsel are not usually life-threatening, especially to adult.
Frequently Asked Questions
England's reptilian life is far rich than most citizenry see. From the venomous adder to the majestic supergrass snake, these wight have carved out a niche in the British landscape that has survived for millennium. By understanding and respecting their front, we can insure these enthralling beast continue to thrive in the wild.