The 2 Types of Snakes That Live in Denmark! (ID Guide)

Do you want to learn about the types of snakes found in Denmark?

common snakes in denmark

If so, you have come to the right place. In the article below, I have listed the snakes you can expect to see. For each species, you will find out how to identify that snake correctly, along with pictures, interesting facts, and RANGE MAPS!

 

As you will see, there are only 2 types of snakes that live in Denmark.

 

Due to the cold weather, not many species can survive the harsh winters!

 


#2. Adder

  • Vipera berus

Common Denmark snakes

Also known as the Common European Adder / Viper.

Identifying Characteristics:

  • Adults average around 55 cm (22 in) long.
  • Color varies and can be brown, red, or light grey with a zigzag stripe on the back. But some individuals are entirely black.
  • The head is fairly large and distinct and has a distinctive dark V or X on the back.

 

Despite being venomous, Adders are not considered an incredibly dangerous snake in Denmark.

 

Luckily, they are not very aggressive and rarely bite unless stepped on, picked up, or provoked. If you are bitten, their venom is quite painful and causes swelling, internal hemorrhaging, and necrosis. While the venom can be lethal, deaths are incredibly rare.

Adder Range Map

Adders are found in many habitats, such as forest clearings, marshlands, heathlands, pastures with hedgerows, and even alpine meadows in the Alps. They mostly eat small mammals, but lizards, birds, and frogs are taken when available.

 

Because of their large distribution and a broad range of habitats, the population of Adders is currently not threatened. But their numbers are decreasing slightly due to habitat loss for agriculture and collecting them for the pet trade and venom extraction.

 


#3. Grass Snake

  • Natrix natrix

Common snakes found in Denmark

Also commonly called the Ringed Snake or Water Snake.

Identifying Characteristics:

  • Adults can grow up to 150 cm (59 inches) long.
  • Coloration is usually olive-green, brown, or greyish.
  • Rows of black spots on the back and a row of black bars or spots on the sides.
  • They have a characteristic black-bordered yellow collar behind the head.

 

This species is one of the most common snakes in Denmark!

 

Being strong swimmers, look for them near wet areas, such as ponds, lakes, streams, ditches, and marshes. But it’s not surprising to find a Grass Snake in drier habitats, such as backyard gardens, open woodlands, and grasslands.

Grass Snake Range Map

grass snake range map

They are NOT venomous and rarely bite when captured or threatened. Instead, you can expect them to hiss and spray a smelly substance from their anal glands. If this doesn’t work, they may pretend to be dead, flipping over and letting their tongue hang out of their mouth. Interestingly, Grass Snakes sometimes act like a cobra, where they raise the front of their body and flatten their heads to resemble a hood!

 

Grass Snakes mostly eat amphibians, such as frogs and toads. They are not ambush predators and actively search for their prey using their keen eyesight and sense of smell. In addition, they eat their prey alive without the use of constriction.

 


Do you need more help identifying a snake you saw in Denmark?

 

If so, check out this field guide, which is full of great information!

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Which of these snakes have you seen before in Denmark?

 

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