Greater horseshoe bats enjoying life in the Nadder Valley thanks to conservation efforts
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The South Wiltshire Greater Horseshoe Bat Project was launched in October 2020, to focus conservation action upon greater horseshoe bats in South Wiltshire. Cranborne Chase AONB has provided a grant to support the project through the Farming in Protected Landscapes programme. Here, Gareth Harris from the Wiltshire Bat Group tells us about two notable successes in 2021 in the Nadder Valley.
One element of the project was to monitor a small stone mine which confirmed it was in use by a number of rarer bats including the greater horseshoe. The mine had been fitted with a metal grille in the 1990s to prevent disturbance to roosting bats, but this was now in need of urgent repair. The grille was replaced during mid-summer, to avoid too much disturbance, and the following winter it was great to see hibernating bats such as greater & lesser horseshoe bat in residence.
The project also started a programme of acoustic bat surveys across the Nadder Valley, deploying bat detectors to nearly 40 locations, delivering over 225 nights of surveys, and generating over 215,000 sound files of 13 species of bat, ranging from common & widespread species such as soprano pipistrelle, Daubenton’s bat and noctule bat, to rarer species such as greater horseshoe, lesser horseshoe, barbastelle bat, Leisler’s bat and Nathusius’ pipistrelle.
These data massively contribute to the knowledge of the importance of the area for bats. Further information on the aims and objectives of the project, the project partners as well as the first year report can be found on the website here. To get in touch with Gareth to find out more about the project email southwiltsghbproject@gmail.com
Photo courtesy of Daniel Hargreaves, shows the greater horseshoe bat with its characteristic nose.