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Author (up) Downs, N C; Beaton, V; Guest, J; Polanski, J.; Robinson, S L.; Racey, P A
Title The effects of illuminating the roost entrance on the emergence behaviour of Pipistrellus pygmaeus Type Journal Article
Year 2003 Publication Biological Conservation Abbreviated Journal
Volume 111 Issue 2 Pages 247.252
Keywords animals; flying mammals; animal behavior; light colour
Abstract In an attempt to increase the accuracy of roost emergence counts for a monitoring programme, the exits of two Pipistrellus pygmaeus roosts were illuminated with light of different colours and intensities. Light intensity affected bat emergence more than light colour. At one roost there was no significant difference in the bat emergence pattern between when the roost exit received no illumination and when it was illuminated with red light. The use of the latter is proposed to increase the accuracy of bat roost emergence counts.
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Call Number LoNNe @ schroer @ Serial 1587
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