🐾 Animal Welfare Hub

Evidence-based resources for animal wellbeing

Lesser Horseshoe Bat Welfare: Roost Protection and Conservation

The lesser horseshoe bat (Rhinolophus hipposideros) is one of the UK's rarest bats, with welfare entirely dependent on quality roost sites and insect-rich foraging habitat.

Key Facts

  • Restricted to Wales and southwest England in the UK, having disappeared from most of England
  • Highly faithful to roost sites, with maternity colonies returning to the same building for decades
  • Building renovations and disturbance pose the greatest welfare threats to roost sites
  • Insect decline from pesticide use reduces food availability and welfare
  • Lesser horseshoe bats are a flagship species for traditional landscape management

Welfare Considerations

Lesser horseshoe bat welfare is roost-site-dependent in a way that makes roost protection particularly critical. Maternity colonies have occupied the same buildings for generations, and their loss through renovation or renovation is devastating to local welfare. These bats have very specific roost requirements: warm, draught-free spaces with appropriate temperature profiles. Insect prey availability shapes both adult welfare through adequate nutrition and pup welfare through successful rearing. The Traditional farm landscapes of southwest Wales and England's West Country that support lesser horseshoe bats are themselves conservation priorities.

What You Can Do

  • If you own a building with bats, contact the Bat Conservation Trust for advice before any work
  • Report bat roost discoveries to local bat groups and Natural England
  • Support the creation of bat-friendly insect-rich habitat in gardens and farmland
  • Reduce or eliminate pesticide use to support insect prey availability
  • Join a bat survey training course to contribute to roost and population monitoring