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The eastern grass owl (''Tyto longimembris''), or Australian grass owl is a species of owl in the Tytonidae family. It is found in Australia, Bangladesh, China, Fiji, Hong Kong, India, Indonesia, Japan, Myanmar, Nepal, New Caledonia, Papua New Guinea, the Philippines, Taiwan, and Vietnam.〔 Though some authorities consider this owl to be conspecific with the African grass owl, ''T. capensis'', other consider it to be a valid species. They feed predominantly on small rodents.〔Wen-Loung Lin, Yin Wang and Hui-Yun Tseng (2007) Initial Investigation on the Diet of Eastern Grass Owl (''Tyto longimembris'') in Southern Taiwan. Taiwania, 52(1): 100-105 ()〕 ==Description== The eastern grass owl is a medium-sized owl, similar in size to the barn owl. Adult males measure in length, while the larger female can measure from . The wingspan is from . The female weighs while the male weighs .〔()〕〔()〕 They have dark brown or tan upper parts with pale spots. They have black and tan bars on its wings and a very pale beak, feathered legs, and dark brown eyes. Like all tyto owls, it has a heart-shaped facial disk with brown buff and a white bordering. 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「Eastern grass owl」の詳細全文を読む スポンサード リンク
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