近日，内(nei)蒙古乌兰察布市(shi)商(shang)都县(xian)察汗淖尔国(guo)家湿地公(gong)园迎来大批迁徙的候(hou)鸟，它们成(cheng)群结队，时(shi)而在空(kong)中(zhong)盘(pan)旋飞舞，时而在(zai)水面(mian)嬉戏(xi)觅食(shi)，一派生机勃(bo)勃。