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Pictured: Lesser horseshoe bat by F. C. Robiller / naturlichter.de (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

Lesser horseshoe bat

Bats about bats

They're not blind, and they won't get caught in your hair. We take a look at the fascinating world of the British bat

Bats are fascinating creatures – and watching their acrobatic antics can be a real pleasure. Although often associated with Hallowe'en, you're more likely to see bats swooping over your garden during the summer months when airborne insects are in abundance.

  

There are several old wives tales surrounding bats. One of the most common is that they'll get caught in your hair – and at times the bats in our garden have swooped so close to our heads that it's easy to understand how this misconception came about.

  

However, it's unlikely that such a mishap will occur. Bats have a highly sophisticated navigation system – known as echolocation – that prevents a bat from colliding with any nearby object (such as a head) and enables it to accurately locate even the tiniest of insects, such as midges. And a single bat can eat as many as 3,000 insects in one night, so echolocation must work pretty well.

  

The old adage “as blind as a bat” would suggest that bats have poor eyesight, but in fact they can see almost as well as humans – if we had to hunt for food in the dark we might need echolocation too!

  

Bats are one of only three British mammals that truly hibernate – the other two being hedgehogs and dormice. There are 18 different species of bat in the UK, with 17 breeding in this country. The tiny common pipistrelle, which weighs just 5g – that's less than a £1 coin – is one of the most UK's most common bat species, and can be found in a wide range of habitats.

  

To attract bats to your garden, you need to provide them with a readily available food source. All species of British bats only eat insects, and you can encourage more insects to visit your plot by adding some insect-friendly, nectar-rich plants.

Apple tree in blossom

Planting a wide range of native trees, shrubs, herbs and flowers will attract a large variety of different insects. Night-scented plants, such as nicotiana, honeysuckle, jasmine and night-scented stock are particularly good as these sweet smelling flowers will attract night-flying insects. Pale blooms are useful too, as they are easier for insects to see as light fades at dusk.

  

Fruit trees (such as this apple tree, pictured left) are ideal – bats are often common in orchard areas – and are great for other types of wildlife, too, such as birds and bumblebees.


Trees and shrubs attract insects and also provide roosting sites for bats. And don't forget water: ponds, streams and ditches give bats somewhere to drink – and many of the flies that bats love to eat start life as aquatic larvae, so freshwater features provide food too.


Just like birds, bats need a place to roost. Old barns and outbuildings or holes in trees make perfect roosting sites.

If you don't have any of these, consider installing a bat box or two. Position such boxes as high as possible, preferably in a sheltered, sunny spot and close to hedges or trees – bats use these features for navigation, so will find their way to the box more easily. The Bat Conservation Trust website offers instructions for an easy-to-make bat box.


Cats can be a danger to bats – especially at dusk when bats are just emerging from the roost. If you know you have bats roosting nearby, you can help protect them by bringing your cat inside about half an hour before sunset. And if your cat does catch a bat, contact the Bat Conservation Trust Bat Helpline on 0845 1300 228 for advice on how to help it.


Fruit trees, such as this old apple tree, are ideal for bats

Little Green Space May 2016