Part-night lighting: Implications for bat conservation

J Day, J. Baker, H. Schofield, F. Mathews, K. J. Gaston

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)


Artificial nighttime lighting has many effects on biodiversity. A proposed environmental management option, primarily to save energy, is to alter the duration of night lighting. Using the greater horseshoe bat Rhinolophus ferrumequinum as an example of a photophobic species, we explored roadside behaviour patterns throughout the night to assess the potential impact of part-night lighting. We found a large primary peak in activity 1h after sunset, followed by a smaller secondary peak before sunrise. Simulated part-night lighting scenarios reveal that to capture a large proportion of bat activity, streetlights should be switched off before midnight. Current proposed uses of part-night lighting are unlikely to capture natural peaks in activity for nocturnal species.

Original languageEnglish
Pages (from-to)512-516
Number of pages5
JournalAnimal Conservation
Issue number6
Publication statusPublished - 1 Dec 2015
Externally publishedYes


  • Artificial nighttime lighting
  • Bats
  • Environmental management
  • Light pollution
  • Part-night lighting
  • Photophobic
  • Rhinolophus ferrumequinum
  • Streetlights

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