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１９９１年—１９９７年，对山西省蟒河自然保护区的鸟类区系进行了调查。结果为：该区现有鸟类１５１种，其中留鸟５２种，夏候鸟４８种，冬候鸟１７种，旅鸟３４种。
From 1991 to 1997, the bird fauna of Manghe Nature Reserve in Shanxi Province were investigated. The results are as follows: There are 151 species of birds in this area, of which 52 species are resident, 48 are summer migratory, 17 are migratory birds and 34 are migratory birds.