We undertook an all nighter at an undisclosed location in Bedfordshire on Friday into Saturday morning. 8 members of the group walked transects around the area for 2hrs, after which the sound analysis was undertaken.
There was masses of soprano pipistrelle Pipistrellus pygmaeus and noctules Nyctalus noctula around the area making it very hard to pick out myotis spp. bats.
Later mist nets were put up but nothing was caught, this was followed by walking around the area from 4.00am to try and find dawn swarming of Myotis spp. bats. This si a lot harder than it seems as often the woodland doesn't get as light as open areas.
No myotis spp. roosts could not be found although several were heard around the area. the large roost already known at the location was amazing to watch come dawn, with hundreds of bats swarming.
Martin
The Bedfordshire Bat Group was formed in 1988 and is affiliated to the Bedfordshire Natural History Society and a partner group of the national organisation, The Bat Conservation Trust. The bat group works for bat conservation within Bedfordshire and Luton;carries out surveys of bats and maintains a database of bat records; works with people to provide information and raise awareness of bat conservation; and, when necessary, carries out bat care and rehabilitation
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