L esser horseshoe bats typically follow linear features such as tree lines or mature hedgerows when they emerge from their day roosts at dusk to fly to their woodland foraging grounds. It is thought that the bats seek the shadows beneath the foliage to avoid the attentions of birds of prey. Open gaps in these commuting routes can cause bats to delay their flight until full darkness has developed later in the night. However, this means that valuab

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