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Rats and Mice

Rats and mice are both rodents, so look similar – the biggest difference is their size. Rats are larger and heavier while mice have smaller slender bodies. Mice also have long slender tails (for their body size) covered in hair compared to rat tails which are shorter, thicker and hairless.

There are three species of rodent that are the most prevalent pests in homes and businesses worldwide due to their ability to adapt quickly to the human environment. These are the Brown rat (Rattus norvegicus, also called Common or Norway rat), the Ship rat (Rattus rattus, also called the Black rat or Roof rat) and the House mouse (Mus domesticus).

The house mouse has several subspecies that are common in different parts of the world and are increasingly being recognised as separate species, but these are all virtually indistinguishable from each other.

All rodents have the common identifying features such as a pair of incisor teeth in the upper jaw. They tend to have short legs and a long tail, but a closer look at their body characteristics and habits shows that they have distinguishable features that you can use to identify which pest is invading your property.

About Rats and Mice

Acorn Environment Services provide removal and prevention for all types of rodents and vermin. We will work with you and your business or property to find the best solution.

Acorn can implement effective, reactive strategies to investigate thoroughly, identify the problem and location in order to eradicate the problem.

The Acorn team are highly qualified and accredited with company accreditations including SafeContractor, CHAS, Construction Line, NPTA and SSIP.

The majority of staff members also hold CSCS Cards, Atlas Citation Training certification and all works follow a site-specific risk and method statement (RAMS).


If you would like to know more about our pest control services, including prices and availability, please get in touch.



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Where do rats and mice live?

Brown rats usually live on the ground and burrows. They are usually spotted throughout buildings, in sewer systems and outdoors. Their burrowing can cause extensive damage to sewers. The brown rat tends to walk on the pads of the feet and the surfaces that it travels along show continuous smudges from the oily fur.

Where do black rats live?

Black rats are mainly restricted to buildings around ports and in ships in temperate countries (hence the name ‘ship rat’). They are agile and a good climbers, nesting high up under roofs. In warmer countries, where they originate, black rats will nest in trees, especially in woodland and orchards. Black rats tend to walk on their toes and the surfaces that the ship rat travels along show separated smudges.

Where do mice live?

Mice usually lives on the ground and nests in burrows, but is agile and can climb. In heavy infestations, grease from the body combined with dirt and urine can build into small pillars. These can remain for a long time, so may not indicate a current infestation. A mouse obviously has a smaller footprint than a rat.

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Rats and Mice Prevention

Why Protect?

Carrying pathogens and diseases which can effect humans, rats and vermin can spread over 35 diseases – including Weil’s disease, Salmonella, Listeria and more

How to protect?

-Ensure any gaps and entry points to your home are blocked

-Clear up any areas where rodents could build a nest

-Keep your grass and tree branches trimmed to reduce shelter and seeds for food

Prevention and the Law

-Keep foodstuffs sealed and ensure animal food is cleaned away.

-Ensure the outside of your property is clear of waste

Still having problems? Contact Acorn today

Contact Acorn Environment Services Today

Frequently Asked Questions

Acorn is a fully licensed, fully insured and fully accredited service with over 30 years’ experience in providing effective solutions to eradicate and prevent the pest infestations from rodents, vermin and insects.
Each pest query or concern is well considered and thoroughly surveyed by our expert team to ensure all business and property owners receive the best advice and course of action

Rats and vermin can carry pathogens that spread diseases that can affect humans. According to the CDC, rats and mice can spread over 35 diseases – including Weil’s disease, Salmonella, Listeria and more – and are even responsible for an outbreak of monkey pox in 2003.
Characterised by a pair of incisors that grow up to 5 inches each year, rats gnaw and chew on electrical wires and other household objects to wear them down. When left to roam free, rats can cause serious structural damage to your home.

The most tell-tale sign of rats is clustered faeces that are usually dark in colour and pellet-shaped. Chewed electric cables, woodwork or brick is another key sign, as rats are avid gnawers and can cause structural damage if left alone.

Although from the same family, rats and mice are different in terms of their body shape, size, droppings and nest locations

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