[ti:潮涌海岸 50]
[ar:英语听力]
[al:]
[00:00.92]As the water level falls, birds begin to gather.
[00:04.83]Herons, egrets and cormorants mingle with a far rarer visitor, the black-faced spoonbill.
[00:16.09]These endangered migrants have travelled the length of the Chinese coastline from Northern China and Korea.
[00:27.22]Mai Po marks the end of a 2,000-kilometre journey during which the birds may have lost up to a third of their body weight.
[00:36.14]Four hundred black-faced spoonbills, a quarter of the world's population, pass the winter here.
[00:44.51]At low water, trapped shrimps and fish become easy prey,
[00:54.31]a life saver for these endangered birds.