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Behavior

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Perception Channels: tactile ; chemical

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Ballenger, L. 1999. "Kerivoula picta" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Kerivoula_picta.html
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Liz Ballenger, University of Michigan-Ann Arbor
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Conservation Status

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IUCN Red List of Threatened Species: least concern

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Ballenger, L. 1999. "Kerivoula picta" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Kerivoula_picta.html
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Liz Ballenger, University of Michigan-Ann Arbor
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Trophic Strategy

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Insectivorous

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Ballenger, L. 1999. "Kerivoula picta" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Kerivoula_picta.html
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Liz Ballenger, University of Michigan-Ann Arbor
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Distribution

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Southern and eastern India to southern China, Sri Lanka, Hainan to Malaya, Sumatra, Java, Bali and the Lesser Sunda and Molucca Islands.

Biogeographic Regions: palearctic (Native ); oriental (Native )

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Ballenger, L. 1999. "Kerivoula picta" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Kerivoula_picta.html
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Liz Ballenger, University of Michigan-Ann Arbor
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Habitat

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Kerivoula picta often roost in tree hollows and trunks, foliage, huts, and buildings, but also inhabit dry leaves of vines and other plants, plantain fronds, and flowers.

Terrestrial Biomes: forest ; rainforest

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bibliographic citation
Ballenger, L. 1999. "Kerivoula picta" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Kerivoula_picta.html
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Liz Ballenger, University of Michigan-Ann Arbor
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Morphology

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Colors for Kerivoula picta are bright orange or scarlet, with black wings and orange along the fingers. As in other forms of Kerivoula, K. picta possesses long, wooly, rather curly hair, a small, fragile form, large funnel-shaped ears and 38 teeth. Head and body length is 31-57mm. Tail length is 32-55 mm, and forearm length is 27-45 mm.

Average mass: 4.5 g.

Other Physical Features: endothermic ; bilateral symmetry

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bibliographic citation
Ballenger, L. 1999. "Kerivoula picta" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Kerivoula_picta.html
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Liz Ballenger, University of Michigan-Ann Arbor
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Reproduction

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Range number of offspring: 1 to 1.

Key Reproductive Features: gonochoric/gonochoristic/dioecious (sexes separate); sexual ; viviparous

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bibliographic citation
Ballenger, L. 1999. "Kerivoula picta" (On-line), Animal Diversity Web. Accessed April 27, 2013 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Kerivoula_picta.html
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Liz Ballenger, University of Michigan-Ann Arbor
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Painted bat

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Wikimedia Commons has media related to Kerivoula picta.

The painted bat (Kerivoula picta) or painted wooly bat[2] is a species of vesper bat in the family Vespertilionidae. It is also known as "butterfly bat" (projapoti badur),[3] "rongin chamchika" (coloured bat) or "komola-badami chamchika" (orange-brown bat) in Bengali.[2]

Habitat

It is found in Bangladesh[1] (in forested areas, especially in Dhaka Division[2]), Brunei, Burma, Cambodia, China, India, Indonesia, Malaysia, Nepal, Sri Lanka, Thailand and Vietnam. It is found in arid woodland and is fairly uncommon[2] but widespread.

The bat had been spotted for the last time in Bangladesh in 1888 according to The Fauna of British India by W.T. Blanford.[3][4] On Bangladesh Red List published in 2015 by IUCN and the Forest Department of Bangladesh, the bat was described as "data deficient".[2] The species was thought to have been "extinct" before rediscovering it after 133 years in Madhupur National Park in June 2021.[3]

Description

The body and tail are the same length. The body length is 3 to 5.5 cm. The tail length is 3 to 5.5 cm as well. The wingspan is 18–30 cm.[2] Weight is about 5g.

Kerivoula picta is bright orange or scarlet, with black wings and orange along the fingers. As in other species of Kerivoula, K. picta possesses long, wooly, rather curly hair, a small, fragile form, large funnel-shaped ears and 38 teeth. Ears are naked, relatively large with rounded tip.[2] Tragus is long, narrow, and transparent. Muzzle is very hairy with naked nostrils. Older males are brighter than females.

Behavior

Painted bats are nocturnal or crepuscular.[2] Small groups of these animals are often found in unusual roosting sites such as in the suspended nests of weaver finches and sunbirds, banana tree leaves, or under the eaves of huts.[5] Painted bats have been known to roost in pairs or in groups of only 2–6 bats.[2] They apparently aestivate during the day, as they are relatively sluggish when disturbed. The bright and broken coloration of these bats may be a form of camouflage to protect them, as they have been reported to blend in with dried leaves and flowers when they roost.[1] They live on small insects.[4] Hunting flights last around 1–2 hours.

Not very much is known about their reproduction and lifespan. However, they form nuclear family units consisting of a mother, a father, and an offspring. They breed between June and August. Female bats give birth to a single offspring.[2]

The echolocation characteristics and the presence of a large interfemoral membrane, a characteristic feature of family Vespertilionidae, suggest that K. picta is an aerial hawker, i.e. capturing insects during flight using the interfemoral membrane as a net.[6]

Echolocation

Echolocation for this species is relatively similar to other species of Kerivoula. Recorded calls were broadband and steep calls ranging from 156.9 kHz to 41.5 kHz. Flight and resting echolocation calls differed every way except the peak frequency. Bats with higher starting frequencies appear to be better at catching prey close to clutter than those with lower frequencies. This is significant considering the amount of debris that is normally around their habitat.[6]

References

  1. ^ a b c Huang, J.C.-C.; Lim, L.S.; Chakravarty, R. (2020). "Kerivoula picta". IUCN Red List of Threatened Species. 2020: e.T10985A22022952. doi:10.2305/IUCN.UK.2020-2.RLTS.T10985A22022952.en. Retrieved 16 November 2021.
  2. ^ a b c d e f g h i j "Bats of Bangladesh". Nature Study Society of Bangladesh. Retrieved 28 June 2021.
  3. ^ a b c ১৩৩ বছর পর বাংলাদেশে প্রজাপতি বাদুড়ের সন্ধান [Butterfly Bat found in Bangladesh after 133 years]. Jagonews24.com. Jahangirnagar University. 27 June 2021. Retrieved 28 June 2021.
  4. ^ a b Mahmud, Iftekhar (18 June 2021). "প্রজাপতি বাদুড়ের সন্ধান". Prothom Alo (in Bengali). Dhaka. Retrieved 28 June 2021.
  5. ^ "Zoo Print Magazine" (PDF). Archived from the original (PDF) on 2017-09-09. Retrieved 2018-10-08.
  6. ^ a b Sripathi, K., H. Raghuram, and N. Thiruchenthil. "Echolocation Sounds of the Painted Bat Kerivoula Picta (Vespertilionidae)." Current Science 91.9 (2006): 1145–147. Print.
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Painted bat: Brief Summary

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Wikimedia Commons has media related to Kerivoula picta.

The painted bat (Kerivoula picta) or painted wooly bat is a species of vesper bat in the family Vespertilionidae. It is also known as "butterfly bat" (projapoti badur), "rongin chamchika" (coloured bat) or "komola-badami chamchika" (orange-brown bat) in Bengali.

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