The intermediate horseshoe bat (''Rhinolophus affinis'') is a
bat
Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most ...
species of the family
Rhinolophidae (“nose crest”) that is very widespread throughout much of the
Indian subcontinent
The Indian subcontinent is a list of the physiographic regions of the world, physiographical region in United Nations geoscheme for Asia#Southern Asia, Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian O ...
, southern and central
China and
Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainlan ...
. It is listed by
IUCN as
Least Concern
A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. T ...
as it is considered common where it occurs, without any known major threats.
Taxonomy
The intermediate horseshoe bat was
described as a new species in 1823 by American naturalist
Thomas Horsfield
Thomas Horsfield (May 12, 1773 – July 24, 1859) was an American physician and naturalist who worked extensively in Indonesia, describing numerous species of plants and animals from the region. He was later a curator of the East India Company ...
.
The
holotype
A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of sever ...
was collected on the Indonesian island of
Java
Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mos ...
.
''Rhinolophus affinis'' is divided into the following nine subspecies:
* ''R. a. affinis''
* ''R. a. andamanensis''
* ''R. a. hainanus''
* ''R. a. himalayanus''
* ''R. a. macrurus''
* ''R. a. nesites''
* ''R. a. princes''
* ''R. a. superans''
* ''R. a. tener''
It varies in appearance and echolocation characteristics throughout its range, suggesting that this taxon may represent a
species complex
In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex may be able to hybridize readily with each oth ...
of closely related species.
Description
The intermediate horseshoe bat has a total length of , with a forearm length of .
Individuals weigh approximately .
Distribution
The intermediate horseshoe bat is widely distributed throughout Asia, occurring from India and China throughout Southeast Asia.
It is found in Bangladesh, Bhutan, Brunei, Cambodia, China, India, Indonesia, Malaysia, Myanmar, Nepal, Thailand, and Vietnam.
The easternmost extent of its range are the Indonesian
Lesser Sunda Islands and
Java
Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mos ...
.
It is found at elevations from above sea level.
References
External links
*
*
Sound recordings of ''Rhinolophus affinis'' on BioAcoustica
{{Taxonbar, from=Q1765459
Rhinolophidae
Bats of Asia
Bats of Southeast Asia
Bats of Indonesia
Bats of Malaysia
Mammals of Bangladesh
Bats of China
Mammals of India
Mammals of Nepal
Mammals of Bhutan
Least concern biota of Asia
Mammals described in 1823
Taxonomy articles created by Polbot
Taxa named by Thomas Horsfield
Bats of India