Long-legged myotis: Difference between revisions
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''Myotis volans'' is species of bat found in Order Chiroptera, Family Vespertillionidae. They are closely related to ''Myotis lucifigus'' (little brown bat) and ''Myotis thysanodes'' (fringe-tailed bat).<ref name=":0">{{Cite web|url = http://www.science.smith.edu/resources/msi/pdfs/i0076-3519-224-01-0001.pdf|title = Mammalian Species: Myotis volans|date = November 14, 1984|accessdate = October 30, 2015|publisher = The American Society of Mammalogists|last = Warner|first = Richard}}</ref> Three sub-species have been identified.<ref name=":0" /> |
''Myotis volans'' is species of bat found in Order Chiroptera, Family Vespertillionidae. They are closely related to ''Myotis lucifigus'' (little brown bat) and ''Myotis thysanodes'' (fringe-tailed bat).<ref name=":0">{{Cite web|url = http://www.science.smith.edu/resources/msi/pdfs/i0076-3519-224-01-0001.pdf|title = Mammalian Species: Myotis volans|date = November 14, 1984|accessdate = October 30, 2015|publisher = The American Society of Mammalogists|last = Warner|first = Richard}}</ref> Three sub-species have been identified.<ref name=":0" /> |
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They are the second largest [[Mouse-eared bat|myotis]] species found in the western United States. |
They are the second largest [[Mouse-eared bat|myotis]] species found in the western United States. They have a wingspan of 10-12 inches and an average body mass of 7.5 grams.<ref name=":1">{{Cite book|title = Bats of the Rocky Mountain West|last = Adams|first = Rick|publisher = University Press of Colorado|year = 2003|isbn = 0-87081-736-1|location = Boulder}}</ref> ''Myotis volans'' is also known as the long-legged myotis due to their longer [[tibia]] length compared to other myotis species. Their [[Fur|pelage]] is light brown to chocolate brown or reddish brown and they have short, rounded ears.<ref name=":2">{{Cite web|title = Long-legged Myotis (Myotis volans)|url = http://tpwd.texas.gov/huntwild/wild/species/longlegmyotis/|website = tpwd.texas.gov|accessdate = 2015-11-18}}</ref> When their ears are pushed toward their nose, the tips of their ears just reach their nostrils.<ref name=":0" /> Their most distinguishing characteristic is that they have fur on the underside of the wings that extends from their body to their elbows and knees.<ref name=":0" /><ref name=":2" /> They have a keel on their [[calcar]].<ref name=":1" /> This species does show [[sexual dimorphism]] such that females tend to be slightly bigger than males.<ref name=":0" /> |
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volans)|url = http://tpwd.texas.gov/huntwild/wild/species/longlegmyotis/|website = tpwd.texas.gov|accessdate = 2015-11-18}}</ref> When their ears are pushed toward their nose, the tips of their ears just reach their nostrils.<ref name=":0" /> Their most distinguishing characteristic is that they have fur on the underside of the wings that extends from their body to their elbows and knees.<ref name=":2" /> <ref name=":0" />. They have a keel on their [[calcar]].<ref name=":1" /> This species does show [[sexual dimorphism]] such that females tend to be slightly bigger than males<ref name=":0" />. |
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== Ecology == |
== Ecology == |
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=== Range and Habitat === |
=== Range and Habitat === |
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The range of ''Myotis volans'' spans from Alaska in the north, through the western United States, and into Mexico.<ref>{{Cite journal|title = Acoustic Surveys Reveal Hoary Bat ( Lasiurus cinereus ) and Long-Legged Myotis ( Myotis volans) in Yukon|url = http://www.bioone.org.ezproxy.lib.utah.edu/doi/pdf/10.1898/13-08.1|journal = Northwestern Naturalist|pages = |
The range of ''Myotis volans'' spans from Alaska in the north, through the western United States, and into Mexico.<ref>{{Cite journal|title = Acoustic Surveys Reveal Hoary Bat ( Lasiurus cinereus ) and Long-Legged Myotis ( Myotis volans) in Yukon|url = http://www.bioone.org.ezproxy.lib.utah.edu/doi/pdf/10.1898/13-08.1|journal = Northwestern Naturalist|pages = 176–185|volume = 95|issue = 3|doi = 10.1898/13-08.1|first = Brian G|last = Slough|first2 = Thomas S|last2 = Jung|first3 = Cori L|last3 = Lausen}}</ref> They have been recorded as far east as North and South Dakota, Nebraska and western Texas.<ref name=":3">{{Cite web|title = Myotis volans (Long-legged Myotis)|url = http://www.iucnredlist.org/details/14210/0|website = www.iucnredlist.org|accessdate = 2015-11-18}}</ref> Their range extends southward to Mexico City.<ref name=":0" /><ref name=":3" /> |
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They live in various habitats which include: [[Pinus ponderosa|ponderosa pine]] woodlands, [[Forest|coniferous forests]], [[Pinyon-juniper woodland|pinyon-juniper]] woodlands, [[oak]] woodlands, mountain meadows and [[ |
They live in various habitats which include: [[Pinus ponderosa|ponderosa pine]] woodlands, [[Forest|coniferous forests]], [[Pinyon-juniper woodland|pinyon-juniper]] woodlands, [[oak]] woodlands, mountain meadows and [[riparian zone]]s.<ref name=":1" /> They have been captured in desert habitats as well.<ref name=":0" /> In mountainous areas, they prefer mid-slope elevations where there is an abundance of food.<ref name=":4">{{Cite journal|title = Foraging Ecology of Long-Legged Myotis (Myotis volans) in North-Central Idaho|url = http://jmammal.oxfordjournals.org/content/88/5/1261|journal = Journal of Mammalogy|date = 2007-10-18|issn = 0022-2372|pages = 1261–1270|volume = 88|issue = 5|doi = 10.1644/06-MAMM-A-254R1.1|first = Joseph S.|last = Johnson|first2 = Michael J.|last2 = Lacki|first3 = Michael D.|last3 = Baker}}</ref><ref>{{Cite web|title = Geographic Variation in Roost-Site Selection of Long-Legged Myotis in the Pacific Northwest|url = http://www.jstor.org.ezproxy.lib.utah.edu/stable/pdf/40801116.pdf?acceptTC=true|website = Journal of Wildlife Management|accessdate = 2015-10-31|date = August 2010|last = Lacki|first = Michael}}</ref> |
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=== Diet === |
=== Diet === |
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''Myotis volans'' are [[Insectivore|insectivorous]] and their diet consists mainly of moths.<ref name=":4" /> |
''Myotis volans'' are [[Insectivore|insectivorous]] and their diet consists mainly of moths.<ref name=":4" /> They will eat other insects such as flies and [[Neuroptera|lacewings]] or some smaller sized beetles.<ref name=":0" /> They will leave their day roosts to [[forage]] just before sunset and peak foraging takes place in the first four hours after emergence.<ref name=":0" /><ref name=":3" /> They have been known to forage all hours of the night.<ref name=":0" /><ref name=":1" /> |
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== Behavior == |
== Behavior == |
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=== Roosting === |
=== Roosting === |
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These bats prefer to roost under the bark of trees, but will also use crevices in rocks, caves, or buildings.<ref name=": |
These bats prefer to roost under the bark of trees, but will also use crevices in rocks, caves, or buildings.<ref name=":0" /><ref name=":1" /><ref>{{Cite journal|title = Temperatures Beneath Bark of Dead Trees used as Roosts by Myotis volans in Forests of the Pacific Northwest, USA|url = http://www.bioone.org.ezproxy.lib.utah.edu/doi/pdf/10.3161/150811013X667948|journal = Acta Chiropterologica|pages = 143–151|volume = 15|issue = 1|doi = 10.3161/150811013x667948|first = Michael J.|last = Lacki|first2 = Joseph S.|last2 = Johnson|first3 = Michael D.|last3 = Baker}}</ref> They will migrate elevation-wise by moving to higher elevations in mountainous areas during the summer.<ref name=":1" /> They use caves and mines for hibernation.<ref name=":0" /> |
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=== Mating and reproduction === |
=== Mating and reproduction === |
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Mating takes place in late summer to early fall.<ref name=":0" /> |
Mating takes place in late summer to early fall.<ref name=":0" /> Females will delay fertilization by holding the sperm in their reproductive tract until spring.<ref name=":0" /> The young are born between June and August.<ref name=":0" /><ref name=":1" /> Each female will bear only one pup per litter.<ref name=":1" /> The females will form large nursery colonies that can number up to hundreds of individuals.<ref name=":3" /> Females will leave their pups with the colony while they feed and return to the colony multiple times during the night to nurse their young. |
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== Physiology == |
== Physiology == |
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The long-legged myotis has been known to remain active in temperatures down to 15°C.<ref name=":0" /> Since these bats hibernate during the winter months, they use [[torpor]]. The bat's feet are specialized to allow the bats to hang upside down without expending energy. The feet do this by locking the toes in place with the help of scaly tendons when the bat is hanging.<ref name=":1" /> They also have cavities in their head that pool blood away from their brains while they hang upside down.<ref name=":1" /> |
The long-legged myotis has been known to remain active in temperatures down to 15 °C.<ref name=":0" /> Since these bats hibernate during the winter months, they use [[torpor]]. The bat's feet are specialized to allow the bats to hang upside down without expending energy. The feet do this by locking the toes in place with the help of scaly tendons when the bat is hanging.<ref name=":1" /> They also have cavities in their head that pool blood away from their brains while they hang upside down.<ref name=":1" /> |
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==See also== |
==See also== |
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Revision as of 06:40, 19 November 2015
| Long-legged myotis | |
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| Scientific classification | |
| Kingdom: | |
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| Species: | M. volans
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| Binomial name | |
| Myotis volans H. Allen, 1866
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The long-legged myotis (Myotis volans) is a species of vesper bat that can be found in western Canada, Mexico, and the western United States.[2]
Description
Myotis volans is species of bat found in Order Chiroptera, Family Vespertillionidae. They are closely related to Myotis lucifigus (little brown bat) and Myotis thysanodes (fringe-tailed bat).[3] Three sub-species have been identified.[3]
They are the second largest myotis species found in the western United States. They have a wingspan of 10-12 inches and an average body mass of 7.5 grams.[4] Myotis volans is also known as the long-legged myotis due to their longer tibia length compared to other myotis species. Their pelage is light brown to chocolate brown or reddish brown and they have short, rounded ears.[5] When their ears are pushed toward their nose, the tips of their ears just reach their nostrils.[3] Their most distinguishing characteristic is that they have fur on the underside of the wings that extends from their body to their elbows and knees.[3][5] They have a keel on their calcar.[4] This species does show sexual dimorphism such that females tend to be slightly bigger than males.[3]
Ecology
Range and Habitat
The range of Myotis volans spans from Alaska in the north, through the western United States, and into Mexico.[6] They have been recorded as far east as North and South Dakota, Nebraska and western Texas.[7] Their range extends southward to Mexico City.[3][7]
They live in various habitats which include: ponderosa pine woodlands, coniferous forests, pinyon-juniper woodlands, oak woodlands, mountain meadows and riparian zones.[4] They have been captured in desert habitats as well.[3] In mountainous areas, they prefer mid-slope elevations where there is an abundance of food.[8][9]
Diet
Myotis volans are insectivorous and their diet consists mainly of moths.[8] They will eat other insects such as flies and lacewings or some smaller sized beetles.[3] They will leave their day roosts to forage just before sunset and peak foraging takes place in the first four hours after emergence.[3][7] They have been known to forage all hours of the night.[3][4]
Behavior
Roosting
These bats prefer to roost under the bark of trees, but will also use crevices in rocks, caves, or buildings.[3][4][10] They will migrate elevation-wise by moving to higher elevations in mountainous areas during the summer.[4] They use caves and mines for hibernation.[3]
Mating and reproduction
Mating takes place in late summer to early fall.[3] Females will delay fertilization by holding the sperm in their reproductive tract until spring.[3] The young are born between June and August.[3][4] Each female will bear only one pup per litter.[4] The females will form large nursery colonies that can number up to hundreds of individuals.[7] Females will leave their pups with the colony while they feed and return to the colony multiple times during the night to nurse their young.
Physiology
The long-legged myotis has been known to remain active in temperatures down to 15 °C.[3] Since these bats hibernate during the winter months, they use torpor. The bat's feet are specialized to allow the bats to hang upside down without expending energy. The feet do this by locking the toes in place with the help of scaly tendons when the bat is hanging.[4] They also have cavities in their head that pool blood away from their brains while they hang upside down.[4]
See also
References
- ^ Template:IUCN2013.1
- ^ Simmons, N.B. (2005). "Order Chiroptera". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 518. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ a b c d e f g h i j k l m n o p Warner, Richard (November 14, 1984). "Mammalian Species: Myotis volans" (PDF). The American Society of Mammalogists. Retrieved October 30, 2015.
- ^ a b c d e f g h i j Adams, Rick (2003). Bats of the Rocky Mountain West. Boulder: University Press of Colorado. ISBN 0-87081-736-1.
- ^ a b "Long-legged Myotis (Myotis volans)". tpwd.texas.gov. Retrieved 2015-11-18.
- ^ Slough, Brian G; Jung, Thomas S; Lausen, Cori L. "Acoustic Surveys Reveal Hoary Bat ( Lasiurus cinereus ) and Long-Legged Myotis ( Myotis volans) in Yukon". Northwestern Naturalist. 95 (3): 176–185. doi:10.1898/13-08.1.
- ^ a b c d "Myotis volans (Long-legged Myotis)". www.iucnredlist.org. Retrieved 2015-11-18.
- ^ a b Johnson, Joseph S.; Lacki, Michael J.; Baker, Michael D. (2007-10-18). "Foraging Ecology of Long-Legged Myotis (Myotis volans) in North-Central Idaho". Journal of Mammalogy. 88 (5): 1261–1270. doi:10.1644/06-MAMM-A-254R1.1. ISSN 0022-2372.
- ^ Lacki, Michael (August 2010). "Geographic Variation in Roost-Site Selection of Long-Legged Myotis in the Pacific Northwest" (PDF). Journal of Wildlife Management. Retrieved 2015-10-31.
- ^ Lacki, Michael J.; Johnson, Joseph S.; Baker, Michael D. "Temperatures Beneath Bark of Dead Trees used as Roosts by Myotis volans in Forests of the Pacific Northwest, USA". Acta Chiropterologica. 15 (1): 143–151. doi:10.3161/150811013x667948.
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