Study

The Vincent Wildlife Trust’s Irish Bat Box Schemes

  • Published source details McAney K. & Hanniffy R. (2015) The Vincent Wildlife Trust’s Irish Bat Box Schemes. The Vincent Wildlife Trust, UK report.

Actions

This study is summarised as evidence for the following.

Action Category

Provide bat boxes for roosting bats

Action Link
Bat Conservation
  1. Provide bat boxes for roosting bats

    A replicated study in 1999–2015 of three broadleaved/mixed woodlands in County Galway, Ireland (McAney & Hanniffy 2015) found that bat boxes were used by seven bat species/species groups with an overall occupancy rate of 20% over 17 years. Pipistrellus spp. had the highest occupancy rate of boxes (14%) followed by Leisler’s bats Nyctalus leisleri (3%), brown long-eared bats Plecotus auritus (2%) and Daubenton’s bats Myotis daubentonii (0.4%). Pipistrellus spp. were found more often in Schwegler design 1FF boxes, and brown long-eared bats in Schwegler design 2FN boxes (data reported as statistical model results). Occupancy rates were also found to increase over time for Pipistrellus spp., brown long-eared bats, and Leisler’s bats (data reported as statistical model results). In 1999, 162 Schwegler woodcrete bat boxes (designs 2FN, 1FF, 1FW or 2FN) were installed across three sites. They were hung on trees 4 m above the ground in pairs. The number of boxes varied at each site (10, 50, 62) and some boxes were relocated during the project. A total of 7,370 bat box inspections were carried out. Boxes were checked monthly between April and September in 1999–2015, although checks were not carried out in June or July from 2002 onwards.

    (Summarised by: Anna Berthinussen)

Output references

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