翻訳と辞書 ・ Borek, Gorzów County
・ Borek, Gołdap County
・ Borek, Grodzisk Wielkopolski County
・ Borek, Głogów County
・ Borek, Hajnówka County
・ Borek, Iława County
・ Borek, Kluczbork County
・ Borek, Kozienice County
・ Borek, Krapkowice County
・ Borek, Kępno County
・ Borek, Lesser Poland Voivodeship
・ Borek, Namysłów County
・ Borek, Nysa County
・ Boreal chorus frog
・ Boreal Cordillera Ecozone (CEC)
・ Boreal digging frog
・ Boreal ecosystem
・ Boreal Forest Conservation Framework
・ Boreal Forest Learning Centre
・ Boreal forest of Canada
・ Boreal Kingdom
・ Boreal Loppet
・ Boreal Mountain Resort
・ Boreal owl
・ Boreal Plains Ecozone (CEC)
・ Boreal Point
・ Boreal sagebrush
・ Boreal Sea
・ Boreal Shield Ecozone (CEC)
・ Boreal toad
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| Boreal digging frog ： ウィキペディア英語版 |
Boreal digging frog
The boreal digging frog, ''Kaloula borealis'', is a species of microhylid, or "narrow-mouthed," frog found in Northeast Asia. Its range covers much of central and northeastern China, the Korean Peninsula, and Jeju Island. Adult boreal digging frogs are roughly 4.5 cm in length, round in shape with toad-like speckled skin.〔(【引用サイトリンク】title=맹꽁이 (Narrow-mouth frog) )〕 Tadpoles are up to in length.
The boreal digging frog is common across much of its range,〔 but is listed as an "Endangered category II species" in South Korea.〔 It inhabits cultivated fields, including rice paddies, and is often found in close proximity to humanity, at altitudes of 10 to 900 m.〔
Boreal digging frogs breed during the annual rainy season, around June and July. After the rainy season is over they dig burrows underground, emerging only at night to feed. The eggs are laid in batches of 15-20 in monsoonal pools, with the tadpoles maturing within 30 days, much faster than most other frogs in this area.〔
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Boreal digging frog」の詳細全文を読む
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