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We often see cute squirrels gracefully roaming around our woodland areas jumping from branch to branch and seemingly causing no harm. However, do not be fooled by their cute and innocent exterior- they can be one of the most destructive pests when they invade our human environment. You may have heard some suspicious rustling in your attic or loft space, or perhaps you have experienced unusual power shortages as they gnaw on your electrical wires. If this sounds like you, then it’s time to call Defender Pest Control- we can provide a one stop solution for any squirrel infestation and effective preventative measures to stop any future invasions!


Types of Squirrel

In the UK there are two main types of squirrel- the Grey Squirrel and the Red Squirrel. Both squirrels differ greatly in their characteristics, and it is the grey Squirrel that causes the most problems for humans. Grey squirrels often chew their ways into people’s loft spaces to build nests whilst on the lookout for food sources and a safe place to shelter.

Grey Squirrel

Grey squirrels are not native to the UK, they originated in North America and were brought to the UK during the Victorian era. They are invasive creatures and are not a rare sight in the UK. They are a common feature in areas of woodland across the country, woodland areas are the perfect environment for grey squirrels as they can strip bark off beech, oak, and chestnut trees and have easy access to bird nests. Grey squirrels can wreak havoc on our woodland areas- their gnawing on trees can eventually lead to weakening of the trees and ultimately causing trees to die. They raid bird nests for the eggs and fledglings, and they can cause great annoyance when they enter orchards and gardens as they eat tree nuts and newly sown seeds. 

Red Squirrel

Red squirrels are native to the UK and they provide a stark contrast to the grey squirrel. They are an incredibly rare sight, and their population has been on a steady decrease for many years. Red squirrels are a protected species due to their rapid decline in population, it is estimated that there are only 140,000 red squirrels left in the UK with a comparable 2.5 million grey squirrel species. Due to their spareness red squirrels rarely cause problems for humans and inhabit only a select few areas of the UK. It has been well researched that the decrease in red squirrel population is directly linked to the introduction of grey squirrels. When grey squirrels were brought to the UK they not only competed with red squirrels for shelter and food, but they also transmit the squirrelpox virus which is deadly for red squirrels and can kill them in as little as 2 weeks.

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As with any pest prevention is key to escape any unwanted intruders. Below are some of our top tips to prevent squirrels invading your property:

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Signs of a squirrel infestation.

There are several tell-tale signs that may indicate you are dealing with a squirrel infestation some of the most common are:

  • Hearing scratching/rustling from a loft space or wall cavity.
  • Noticing a high level of squirrel activity around your property mainly around your roof or on high fences.
  • Spotting droppings in your loft- these droppings may be hard to identify unless professionally trained. At Defender, we can help identify any pest issue you may be having by sending a photo of any droppings you’ve found to us for free pest identification.
  • There may be a smell of urine in your loft space- this can also be an indicator that the squirrel infestation has been around for a while.
  • Holes in vents or damage to your insulation foam.
  • Trees in your garden being stripped of bark- more noticeable shedding than normal.
  • Fruit and nuts being stolen from bird feeders in your garden.
  • You may have experienced unusual power cuts around your home- this may indicate that squirrels have been gnawing on your wires and power lines.

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