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The Kolar leaf-nosed bat is placed in the "bicolor" species group, which is characterized by the absence of secondary leaflets on their nose-leaves and a forearm length of 33–44 mm (1.3–1.7 in). [3] It is most closely related to Cantor's roundleaf bat and the fawn leaf-nosed bat; these three species form a clade in the genus Hipposideros. [4]
They range in size from the Malayan tailless leaf-nosed bat, at 3 cm (1 in) and no tail, to the striped leaf-nosed bat, at 13 cm (5 in) plus a 4 cm (2 in) tail. Like all bats, hipposiderids are capable of true and sustained flight , and have wing lengths ranging from multiple species with 3 cm (1 in), to the giant roundleaf bat at 13 cm (5 in).
Almost no phyllostomids have population estimates, though the greater long-nosed bat, Bokermann's nectar bat, Dekeyser's nectar bat, Fernandez's sword-nosed bat, and Guadeloupe big-eyed bat are categorized as endangered species, and the Jamaican flower bat is categorized as critically endangered with a population as low as 250 mature individuals.
The nose-leaf can be adorned with a vertical leaf, a concave upward leaf, or multiple accessory leaves; varying by species. [13] Leaf-nosed bats lack a tail, [ 12 ] have triangular-shaped ears that can have pointed or rounded tips, [ 12 ] range in body size from 4 to 13.5 cm (1.6 to 5.3 in), and have a wingspan of up to 90 cm (35 in) or more.
Kolar leaf-nosed bat, Hipposideros hypophyllus; Crested roundleaf bat, Hipposideros inexpectatus; Arnhem leaf-nosed bat, Hipposideros inornatus; Jones's roundleaf bat, Hipposideros jonesi; Phou Khao Khouay leaf-nosed bat, Hipposideros khaokhouayensis; Khasian leaf-nosed bat, Hipposideros khasiana; Kunz's Bicolored Leaf-nosed Bat, Hipposideros kunzi
Hipposideros is one of the most diverse genera of bats, with more than 70 species.They are collectively called roundleaf bats after the shape of their nasal ornament. It is the type genus of the family Hipposideridae.
Hipposideros rotalis, the Laotian leaf-nosed bat or Laotian roundleaf bat, is a species of bat from the family Rhinolophidae which is thought to be endemic to Laos. Only a small number of individuals have been recorded, however the population size is thought to be large as it has been found to cover a range of more than 20,000 km 2 .
The Indian roundleaf bat is large species of leaf-nosed bat. The pelage ranges from pale cream to brown and is darker on the head and shoulders, being relatively paler on the belly. They have an average forearm length of 83.5 mm (3.29 in), with a range of 75–99 mm (3.0–3.9 in). The average weight is 59 g (2.1 oz).