Marten car

If it rumbles or pattering in the attic, martens can be behind it. The unpleasant house inhabitants can damage the thermal insulation in the house and leave behind unpleasant traces. We reveal the best tricks and strategies to successfully drive martens away from the attic and co. to chase away again.

Marten in tree

In the wild martens are really cute little animals. But not in the car or in the attic.

  • Catch martens? What you are allowed to do – and what not
  • Marten in the attic: localize and drive away
  • Recognize marten sounds
  • Identify marten droppings
  • Tips and tricks: How to recognize the marten
  • Attention: Martens are protected animals
  • Natural tricks: drive away martens with noise
  • Against the fine nose: Scare marten away with scents
  • Fighting martens – with ultrasound
  • Marten in the car
  • Marten damage to the car? What you can do
  • Marten defense via electric shock
  • Catching martens? What you are allowed to do – and what not
  • Martens in the attic: locate and drive away
  • Recognize marten noises
  • Identify marten droppings
  • Tips and tricks: How to recognize the marten
  • Attention: Marten are protected animals
  • Natural tricks: drive away martens with noise
  • Against the fine nose: Marder with smells scare away
  • Fighting martens – with ultrasound
  • Marten in the car
  • Marten damage to the car? This is what you can do
  • Marten defense via electric shock

Those who are frequently disturbed in their sleep at night and who notice unpleasant odors and dirt in the attic should consider a marten infestation in the house. Martens can pose a serious threat to your house, because apart from their tracks and biting damage, the predators can significantly damage the thermal insulation of your house. Thermal bridges created in this way can lead to mold growth.

Fortunately, there is something you can do: Using several defense strategies at the same time is the best way to drive the stone marten out of your house or car.

Catch martens? What you are allowed to do – and what not

Before you go to work, however, you should be aware that you may hunt stone martens in Germany only with a hunting license. Live traps are not allowed either. The only exception is if you have a so-called trapping pass after taking the appropriate training course and are familiar with trapping regulations. This is possible in some federal states.

However, there are several other repellents and eviction strategies you can choose from. We explain you in the overview, with which you can help yourselves with the marten defense.


You are allowed to hunt or catch martens in Germany only with a hunting license.

Marten in the attic: locate and drive away

If the marten is in the roof, you must first locate the hole in your house and carefully seal it after successfully driving out the marten – if necessary with the help of a roofer. Be careful not to accidentally lock the marten in the attic – otherwise it can cause great damage when trying to escape.

To identify and locate the marten as such, which is usually well hidden, pay attention to the sounds as well as possible traces such as food remains, droppings and urine. Foraging tracks can be carrion, fruit and other edible prey that you find in the attic. Hollow spaces in the insulation layer of your attic as well as scratch and gnaw marks in the wood can also indicate a marten.

Recognize marten sounds

The noise produced by a stone marten in the roof resembles erratic footsteps and can be heard only at night. You may also notice scratching and gnawing noises at night. Young animals in the attic make a lot of noise by romping around, as well as during the time of mating and territorial fights, by hissing and growling. Otherwise, martens normally do not make any noise – especially during the day they are silent.

Identify marten droppings

Examination of the tracks is important to find out whether you are really dealing with a marten or only with a rat, cat or raccoon.

The odor-intensive marten droppings can usually be found collected in one place in the immediate vicinity of the sleeping place – similar to cat droppings, they are sausage-shaped, up to 1.5 centimeters thick and up to ten centimeters long and often contain fur and feather remains. Unlike cat droppings, however, the droppings of martens as omnivores can also contain fruits and nuts – similar to the droppings of a badger in the garden. Moreover, marten droppings are not buried, but lying around freely. Rat droppings, on the other hand, are much smaller, and raccoon droppings are less odorous. Even the feces from a

Tips and tricks: How to recognize the marten

If you are unsure whether the tracks and sounds are a marten or another animal, you can place marten food such as rumen, cat food or eggs on the floor of the suspected hiding place and scatter sand or flour over a large area. If you then find footprints with claw marks, you can assume that it is a stone marten.

Attention: Martens are protected animals

However, be careful if the marten is nesting in the spring: If the young animals are in your attic, you must not seal the hatch prematurely – otherwise the animals, which are protected under hunting law, could starve to death.

In such a case, contact the local hunting authority or a trained marten trapper with trap passport. If you catch or kill a marten on your own without a permit, you can expect heavy fines.

Young martens in the car

Martens are protected by hunting law. To evict young animals from the car or attic, it is best to contact the local hunting authority.

Natural tricks: drive away martens with noise

The noise method has proved particularly effective: you know the hiding place of your unwanted guest? Then take advantage of his night’s rest during the day and play loud music or radio sounds during the day next to his sleeping place. Also persistent knocking or a bell alarm clock can soon drive the marten out of its den.

Against the fine nose: Scare off martens with scents

Other guides to marten defense recommend the use of fragrant home remedies: For example, place a toilet scent stone or pet hair next to the marten’s hiding place. In addition, you can try the commercially available anti-marten sprays. The so-called piss-off plant (Coleus caninus), which you can plant in a bed or in a tub, is more attractive. Their smell of menthol, which is only faintly pronounced for humans, but all the more intense for animals, is also supposed to keep cats and dogs away from the property.
If you do not succeed in driving away the marten with the odor nuisance or if the marten returns after some time, it is advisable to additionally rely on other means of marten defense.

Fighting martens – with ultrasound

Another inexpensive and sometimes quite successful option is ultrasonic devices: as a marten deterrent, they are a well-proven strategy for scaring martens away from your home. Ultrasonic devices emit sounds on a frequency that is inaudible to humans but unpleasant to the predators. With an automatic frequency modulation you ensure that the sound frequency varies and the marten does not get used to the disturbing noise. You can use this form of marten repellent not only in the attic or house, but also on your car.

The marten in the car

Marten damage to motor vehicles is not uncommon. Especially stone martens are known as cable biters and are feared by car drivers. Normally martens nest in the engine compartment of freely parked cars – an ideal shelter for the marten to retreat and store food.

Due to territorial fights of different martens with each other – especially in the period from spring to late summer – it comes to the typical bite damage to insulation materials, cables and hoses in the car. This results in defective ignition cables, loss of coolant and other costly repairs.

Marten bites

Martens are known as cable biters and feared by motorists.

Marten damage to the car? What you can do

Ideally, find out from your motor vehicle liability insurance and possible partial coverage insurance before a claim if consequential marten damage is covered in the coverage amount and include this benefit in the insurance catalog.

Basically, if a marten is suspected in the car, an engine wash is advisable. The special scent markings of the marten are removed – this prevents territorial fights and further biting damage. Sheathing with corrugated hose, wire mesh under the engine compartment, and ultrasonic devices with sound pressure above 100 dB(C) (decibels C) and frequency modulation are other options for marten defense in the car.

Marten defense via electric shock

High-voltage devices on the car, which electrocute the marten on contact, are also considered to be particularly effective. This does not hurt the marten, but successfully prevents it from entering the car again. If you combine the high voltage devices with an ultrasonic device, which disturbs the marten on the sound level, your chances of success are immensely high.

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