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首页> 外文期刊>Michigan Academician >Status of the Eastern Pipistrelle (Mammalia: Chiroptera) in Michigan
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Status of the Eastern Pipistrelle (Mammalia: Chiroptera) in Michigan

机译：密歇根州东部小鸟（哺乳动物：Chiroptera）的状况

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摘要

The eastern pipistrelle (Pipistrellus subflavus) is a small insectivorous bat that soon will be declared a species of "special concern" by the Michigan Department of Natural Resources. There are currently records of only 24 different pipistrelles in the state. Twenty-three of these bats were found while hibernating—three at Tippy Dam in the northern Lower Peninsula and 20 in various abandoned mines of the western Upper Peninsula. A year-round, reproducing population likely exists in the Upper Peninsula, but the status of the species in the northern Lower Peninsula is not clear. The only nonhibernating individual is from Berrien County, in southern Lower Michigan; this bat probably was a vagrant and not indicative of a resident population. The most serious threat to the continued existence of the eastern pipistrelle in Michigan may be the closure of abandoned mines that are used as hibernation sites.
机译：东部小鳍蝠（Pipistrellus subflavus）是一种小型食虫蝙蝠，不久将被密歇根州自然资源部宣布为“特别关注”物种。目前，该州仅记录了24种不同的pipistrelles。冬眠时发现了23头蝙蝠，其中3头位于下半岛北部的Tippy大坝，而20头位于上半岛西部的各种废弃矿山。上半岛可能有全年繁殖的种群，但下半岛北部的物种状况尚不清楚。唯一的非冬眠个体来自下密歇根州南部的贝林县；这只蝙蝠可能是流浪汉，并不表示常住人口。对密歇根州东部长鼻鸟继续存在的最严重威胁可能是关闭用作冬眠场所的废弃地雷。

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