辽宁发现丹顶鹤繁殖群

Breeding Group of Grus Japonensis Foud in Liaoning Province

丹顶鹤Gyüs japonensis (Muller)是黑龙江和吉林的夏候鸟,未见在辽宁繁殖的报道。1983——1985年在辽宁的锦县、盘山、大洼县、首次发现丹顶鹤的巢、卵、雏。证明丹顶鹤也是辽宁的夏候鸟,还有一部分为旅鸟,并未发现在辽宁越冬的丹顶鹤。为此,辽宁是目前所知的丹顶鹤繁殖的最南限,其数量约30只,每年3月11-25日从我国东部沿海或从日本经朝鲜沿海到辽宁的辽河水系和鸭绿江水系繁殖或继续向北迁徙到黑龙江和吉林省,11月又回到中国东南沿海和日本越冬。

Grus japonensis (Muller) is a summer resident bird in Heilongjang and Jilin Provines. There were no report on. their breeding in Liaoning Province. Grus japonensis nest, egg and chick Were first found in Jin county, Panshan and Dawa county 1983 to 1985. this fact shows that Grus japonensis is also a summer resident bird in Liaoning Province and some of them are travelling bird, but no Grus japonensis has been seen there during the winter. So far Liaoning Province is konwn to be the southest border of the breeding of Grus japonensis and the numder of them is about 29During March 11th-25th each year, they come from the southeast coast of our counry or from Japan by way of Korean coast to Liao River system and Yalu River system to breed or continue to move forward to Heilongjiang and Jilin Province. In November they return back southeast Chiha and Japan to spend winter.