Hipposideros sorenseni, Kitchener & Maryanto, 1993

Don E. Wilson & Russell A. Mittermeier, 2019, Hipposideridae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 227-258 : 239-240

34.

Sorensen’s Leaf-nosed Bat

Hipposideros sorenseni

French: Phyllorhine de Sorensen / German: Sorensen-Rundblattnase I Spanish: Hiposidérido de Sorensen

Other common names: Sorensen's Roundleaf Bat

Taxonomy. Hipposideros sorenseni Kitchener & Maryanto, 1993 ,

“ Gua Kramat (s holy cave), Pangandaran, W[est]. Java (c. 7° 41’S, 108° 40’E).”

Hipposideros sorenseni is in the larvatus species group. This species was initially allocated to H. larvatus . Monotypic.

Distribution. Known only from the type locality in WGJava.

Descriptive notes. Head-body 50-2-60 mm, tail 30-1-36-2 mm, ear 20-2-22-8 mm, forearm 55-4-60-2 mm. Greatest lengths of skulls are 21-1-22-1 mm, tibia 21-4-23-3 mm. Ears of Sorensen’s Leaf-nosed Bat are large and triangular, slightly concave before reaching tip. Anterior noseleaf has small depression in center and three supplementary lateral leaflets. Nasal septum is slighdy inflated. Upper border of posterior leaf is semicircular and there are three septa forming four noticeable cells on frontal surface, delimited by three vertical septa. Pelage is brownish reddish, with whitish at base of each hair; fur is grayish in ventral part. Baculum is large and robust. Both males and females present frontal sexual sac.

Habitat. Sorensen’s Leaf-nosed Bat has been reported in caves as well as over ricefields and other agricultural land. Altitudinal range is thought to be up to 1000 m.

Food and Feeding. Sorensen’s Leaf-nosed Bat probably forages over different types of plantation, feeding predominandy on insects.

Breeding. Sorensen’s Leaf-nosed Bat forms breeding colonies.

Activity patterns. This species is a cave-dweller.

Movements, Home range and Social organization. Sorensen’s Leaf-nosed Bats seem to be gregarious, forming colonies of several individuals.

Status and Conservation. Classified as Vulnerable on The IUCN Red List because this species is only found in a small area. Sorensen’s Leaf-nosed Bat has been and is protected in its whole area of occurrence. Although it is abundant within its small range, the increasing disturbance of its roosts might be threatening its survival.

Bibliography. Kitchener & Maryanto (1993), Maryanto et al. (2008), Simmons (2005).

Figures

24. Large-eared Leaf-nosed Bat (Hipposideros megalotis), 25. Boeadi’s Leaf-nosed Bat (Hipposideros boeadii), 26. Ha Long Leaf-nosed Bat (Hipposideros alongensis), 27. Great Himalayan Leaf-nosed Bat (Hipposideros armiger), 28. Griffin’s Leaf-nosed Bat (Hipposideros griffoni), 29. Pendlebury’s Leaf-nosed Bat (Hipposideros pendleburyi), 30. Lesser Leaf-nosed Bat (Hipposideros turpis), 31. Grand Leaf-nosed Bat (Hipposideros grandis), 32. Horsfield’s Leaf-nosed Bat (Hipposideros larvatus), 33. Maduran Leaf-nosed Bat (Hipposideros madurae), 34. Sorensen’s Leaf-nosed Bat (Hipposideros sorenseni), 35. Sumban Leaf-nosed Bat (Hipposideros sumbae), 36. Shield-faced Leaf-nosed Bat (Hipposideros lylei), 37. Pratt’s Leaf-nosed Bat (Hipposideros pratti), 38. Shield-nosed Leaf-nosed Bat (Hipposideros scutinares), 39. Makira Leaf-nosed Bat (Hipposideros demissus), 40. Diadem Leaf-nosed Bat (Hipposideros diadema), 41. Fierce Leaf-nosed Bat (Hipposideros dinops), 42. Crested Leaf-nosed Bat (Hipposideros inexpectatus), 43. Amhem Leaf-nosed Bat (Hipposideros inomatus), 44. Indian Leaf-nosed Bat (Hipposideros lankadiva), 45. Large Asian Leaf-nosed Bat (Hipposideros lekaguli), 46. Peleng Leaf-nosed Bat (Hipposideros pelingensis)

Distribution. Known only from the type locality in WGJava.