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The Essex Naturalist
Pipistrelle Pipistrellus pipistrellus (Schreber, 1774)
The commonest species in Essex, this, our smallest bat, forms summer roosts in
modern houses and is widespread throughout the County. It can be easily
observed feeding in gardens, parks, along hedgerows and by rivers and is the bat
most frequently observed during bat walks. Recent research has shown that
there are two species of Pipistrelle, separately identifiable on the bat detector at