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The Japanese giant flying squirrel
Japanese giant flying squirrel
(ムササビ, musasabi, Petaurista leucogenys) is a species of flying squirrel, one of eight species of giant flying squirrels. It is native to Japan where it inhabits sub-alpine forests and boreal evergreen forests on Honshu, Shikoku
Shikoku
and Kyushu
Kyushu
islands. It grows to a head-and-body length of 50 cm (20 in) with a tail nearly as long again, and has a membrane connecting its wrists and ankles which enables it to glide from tree to tree. It feeds mainly on fruits and seeds. It breeds once a year in the autumn, with one or two young being born in its den. This squirrel faces no particular threats, has a wide range and is relatively common, and the International Union for Conservation of Nature
International Union for Conservation of Nature
lists it as being of "least concern". Distribution[edit] The squirrel is endemic to the islands of Honshū, Kyūshū
Kyūshū
and Shikoku
Shikoku
in Japan and in Guangzhou
Guangzhou
in China. Ecology[edit] Like other flying squirrels it has a web of skin between its legs which it uses to glide between trees. Glides of 160 metres have been recorded. The tail is used for stability during flight. The body is about 25–50 cm long, and the tail a further 30–40 cm. It weighs between 700 and 1500g. It is much larger than the related Japanese dwarf flying squirrel
Japanese dwarf flying squirrel
which does not exceed 220g. It eats fruit and nuts and lives in holes in large trees. The female has a home range of about a hectare and the male about two hectares. Sexual maturity is reached after about two years.[2] From winter to early summer the males compete for females. During mating, after ejaculation, the male produces a sticky protein called a coitus plug from his penis which becomes firm and blocks the female's vagina. This may stop semen from leaking out and heighten the chances of fertilization. It also prevents other males from mating with the same female. However males can use their penis to remove the coitus plug. Gestation lasts about 74 days and one or two young are born in early autumn.[3] References[edit]

Wikimedia Commons has media related to Petaurista
Petaurista
leucogenys.

Wikispecies
Wikispecies
has information related to Petaurista
Petaurista
leucogenys

^ Ishii, N. & Kaneko, Y. (2008). " Petaurista
Petaurista
leucogenys". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Retrieved 6 January 2009.  ^ Kawamichi, Takeo. "The age of sexual maturity in Japanese giant flying squirrels, Petaurista
Petaurista
leucogenys." Mammal
Mammal
Study 22.1+ 2 (1997): 81-87. ^ Kawamichi, Takeo. "Biannual reproductive cycles in the Japanese giant flying squirrel ( Petaurista
Petaurista
leucogenys)." Journal of Mammalogy 91.4 (2010): 905-913.

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Extant species of family Sciuridae
Sciuridae
(subfamily Sciurinae, Pteromyini (Flying squirrels) tribe)

Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Rodentia Suborder: Sciuromorpha

Eoglaucomys

Kashmir flying squirrel
Kashmir flying squirrel
(Eoglaucomys fimbriatus)

Glaucomys (New World flying squirrels)

Southern flying squirrel
Southern flying squirrel
(Glaucomys volans) Northern flying squirrel
Northern flying squirrel
(Glaucomys sabrinus) Humboldt's flying squirrel
Humboldt's flying squirrel
(Glaucomys oregonensis)

Hylopetes

Particolored flying squirrel
Particolored flying squirrel
( Hylopetes
Hylopetes
alboniger) Afghan flying squirrel
Afghan flying squirrel
( Hylopetes
Hylopetes
baberi) Bartel's flying squirrel
Bartel's flying squirrel
( Hylopetes
Hylopetes
bartelsi) Gray-cheeked flying squirrel
Gray-cheeked flying squirrel
( Hylopetes
Hylopetes
lepidus) Palawan flying squirrel
Palawan flying squirrel
( Hylopetes
Hylopetes
nigripes) Indochinese flying squirrel
Indochinese flying squirrel
( Hylopetes
Hylopetes
phayrei) Jentink's flying squirrel
Jentink's flying squirrel
( Hylopetes
Hylopetes
platyurus) Sipora flying squirrel
Sipora flying squirrel
( Hylopetes
Hylopetes
sipora) Red-cheeked flying squirrel
Red-cheeked flying squirrel
( Hylopetes
Hylopetes
spadiceus) Sumatran flying squirrel
Sumatran flying squirrel
( Hylopetes
Hylopetes
winstoni)

Iomys

Javanese flying squirrel
Javanese flying squirrel
( Iomys
Iomys
horsfieldi) Mentawi flying squirrel
Mentawi flying squirrel
( Iomys
Iomys
sipora)

Petaurillus (Pygmy flying squirrels)

Lesser pygmy flying squirrel
Lesser pygmy flying squirrel
(Petaurillus emiliae) Hose's pygmy flying squirrel
Hose's pygmy flying squirrel
(Petaurillus hosei) Selangor pygmy flying squirrel
Selangor pygmy flying squirrel
(Petaurillus kinlochii)

Petinomys

Basilan flying squirrel
Basilan flying squirrel
( Petinomys
Petinomys
crinitus) Whiskered flying squirrel
Whiskered flying squirrel
( Petinomys
Petinomys
genibarbis) Hagen's flying squirrel
Hagen's flying squirrel
( Petinomys
Petinomys
hageni) Siberut flying squirrel
Siberut flying squirrel
( Petinomys
Petinomys
lugens) Arrow flying squirrel
Arrow flying squirrel
( Petinomys
Petinomys
sagitta) Temminck's flying squirrel
Temminck's flying squirrel
( Petinomys
Petinomys
setosus) Vordermann's flying squirrel
Vordermann's flying squirrel
( Petinomys
Petinomys
vordermanni) Travancore flying squirrel
Travancore flying squirrel
( Petinomys
Petinomys
fuscocapillus)

Aeretes

Groove-toothed flying squirrel
Groove-toothed flying squirrel
(Aeretes melanopterus)

Aeromys (Large black flying squirrels)

Black flying squirrel
Black flying squirrel
(Aeromys tephromelas) Thomas's flying squirrel
Thomas's flying squirrel
(Aeromys thomasi)

Belomys

Hairy-footed flying squirrel
Hairy-footed flying squirrel
(Belomys pearsonii)

Biswamoyopterus

Namdapha flying squirrel
Namdapha flying squirrel
(Biswamoyopterus biswasi) Laotian giant flying squirrel
Laotian giant flying squirrel
(Biswamoyopterus laoensis)

Eupetaurus

Woolly flying squirrel
Woolly flying squirrel
(Eupetaurus cinereus)

Petaurista

Red and white giant flying squirrel
Red and white giant flying squirrel
( Petaurista
Petaurista
alborufus) Spotted giant flying squirrel
Spotted giant flying squirrel
( Petaurista
Petaurista
elegans) Hodgson's giant flying squirrel
Hodgson's giant flying squirrel
( Petaurista
Petaurista
magnificus) Bhutan giant flying squirrel
Bhutan giant flying squirrel
( Petaurista
Petaurista
nobilis) Indian giant flying squirrel
Indian giant flying squirrel
( Petaurista
Petaurista
philippensis) Chinese giant flying squirrel
Chinese giant flying squirrel
( Petaurista
Petaurista
xanthotis) Japanese giant flying squirrel
Japanese giant flying squirrel
( Petaurista
Petaurista
leucogenys) Red giant flying squirrel
Red giant flying squirrel
( Petaurista
Petaurista
petaurista)

Pteromys (Old World flying squirrels)

Siberian flying squirrel
Siberian flying squirrel
(Pteromys volans) Japanese dwarf flying squirrel
Japanese dwarf flying squirrel
(Pteromys momonga)

Pteromyscus

Smoky flying squirrel
Smoky flying squirrel
(Pteromyscus pulverulentus)

Trogopterus

Complex-toothed flying squirrel
Complex-toothed flying squirrel
(Trogopterus xanthipes)

Category

Authority control

NDL: 00575457

Taxon identifiers

Wd: Q1765345 ADW: Petaurista_leucogenys EoL: 1178621 GBIF: 5219695 ITIS: 632510 IUCN: 16720 MSW: 12400385 NCBI: 55156

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