Ridley's leaf-nosed bat

Ridley's leaf-nosed bat, Ridley's roundleaf bat, or Singapore roundleaf horseshoe bat (Hipposideros ridleyi) is a species of bat in the family Hipposideridae. It is found in Brunei, Malaysia and Singapore. Its natural habitat is subtropical or tropical swamps. It is threatened by habitat loss.

Taxonomy
Ridley's leaf-nosed bat was described as a new species in 1911 by Herbert Christopher Robinson and C. Boden Kloss. The holotype had been collected by English botanist Henry Nicholas Ridley in the Singapore Botanic Gardens in 1911.

Description
Ridley's leaf-nosed bat has a forearm length of 47-51 mm. Its nose-leaf is very large and dark, covering its muzzle. The nose-leaf lacks lateral leaflets (smaller projections to the side).

Range and status
It is found in Southeast Asia where it has been documented in Brunei, Malaysia, and Singapore. It is found at a range of elevations from 0-500 m above sea level. Its habitat is lowland old-growth forest. Possibly, its range also includes Indonesia. As of 2020, it is evaluated as a vulnerable species by the IUCN.