采用河岸定点观察和水面巡航相结合的方法，于1997 ~ 1998年调查了河南省典型湿地冬季水鸟资源。
The winter water bird resources were surveyed in typical wetlands of Henan province from December 1997 to May 1998 by the combination of water surface cruise and bank plot observation.
一些迁徙的水鸟，如斑头雁和红麻鸭，会涌进卡兹兰加的湿地，与这里的斑嘴鹈鹕和黑颈鹤等常驻鸟类一起度过整个冬季；
Migratory waterbirds, from bar-headed geese to ruddy shelducks, crowd into Kaziranga wetlands over the winter with spot-billed pelicans and black-necked storks.
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