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日本国内时隔38年发现水獭 种类尚未确定

2017-08-18 15:22:30   中国青年网

据日本《产经新闻》8月17日报道,日本琉球大学教授伊泽雅子等的团队17日宣布,在长崎县对马地区拍摄到一只水獭的影像。世界上共有10种以上水獭,目前尚未能分辨此次拍摄到的水獭是曾广泛栖息在日本、但被认为已灭绝的日本水獭还是别的种类。日本最后一次切实目击到活着的野生水獭是在38年前。

环境省宣布,通过此后的实地调查发现了水獭粪便,根据DNA分析结果,可能是两只欧亚水獭。其中一只可能来自韩国或俄罗斯萨哈林地区,将进一步调查。

该团队在环境省召开记者会,透露“拍摄到的水獭看起来已经成年,营养状况良好,很健康”。

关于在对马发现水獭的原因,该团队列举了三种可能性。一是日本水獭并未灭绝;二是欧亚水獭从50公里外的韩国渡海而来;三是水獭因人的关系进入日本。该团队呼吁称:“希望不要投喂地进行观察,若有线索请提供。”

水獭影像被该团队调查对马山猫的自动拍摄装置于2月拍到。专家根据视频确认为水獭,但无法锁定种类。

接到报告的环境省7月展开紧急调查,对动物的粪便和毛发进行了采集。根据粪便分析,水獭为雌雄各一只。据称,雄性可能是来自于韩国或萨哈林,雌性的情况不得而知。

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