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Nature


Working inside the pill box

Pill boxes could increase bat population

By Corinne Roper
Stour Valley Trust is to combat the declining numbers of bats with a new project that renovates World War Two pill boxes.


The Stour Valley Trust is teaming up with volunteers to build new homes for bats. It comes at a time when environmentalists are becoming increasingly concerned about the decreasing population of the animals, and want to help them thrive.

Volunteers at work

"It's a really important project because bat numbers have declined a lot in the last 50 or 60 years. It's partly because they have lost food supplies, there aren't as many insects about because we are killing them with pesticides," says Peter Ellis, a representative from the Stour Valley Trust.

The River Stour is an excellent location for this type of project because insects like to fly over water. "It's an excellent place for hunting for the bats, but they also need a place to roost during the day, and somewhere to hibernate during the winter."

Volunteers at the pill box

And that is what Peter, and the volunteers hope to provide with the pill boxes. "It's not the same as a David Attenborough program where you get loads of bats streaming out of a cave, they don't do that and they don't hibernate in ones and twos. You wouldn't get very many in a structure like the pill boxes but it still seems very important because they need somewhere," Peter says.

He explains that while the volunteers are keen to improve the numbers of bats, they also want to maintain the site. "The pill boxes are historic structures and we don't want to spoil the landscape. There are 40 of the pill boxes going up the Stour valley and it's a major anti-invasion stock-line. It's important that people understand that it is a part of Second World War history. Visually what we are doing won't make any difference, and I think that’s important. We also hope that by putting a door on the buildings we can stop them from being miss-used. Hopefully the historians win as well as the conservationists."

Working on the pill box

The bats will find the new homes through their 'echo locations'. "They are able to sound out a structure and they can tell that it's hollow and suitable," says Peter. "They are a much maligned group of animals but they are great and they need all the help they can get."

 




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