摘要
WITH the bulk of its territory located in the North Temperate Zone, China sees millions of migrant birds flying south over its vast land mass in autumn and heading back north in spring. Of the eight major chan- nels for migrant birds worldwide, three traverse China.
WITH the bulk of its territory located in the North Temperate Zone, China sees millions of migrant birds flying south over its vast land mass in autumn and heading back north in spring. Of the eight major chan- nels for migrant birds worldwide, three traverse China.