Great knots (Calidris tenuirostris) above Yalu Jiang, China Gerrit Vyn / Nature Picture Library
A race is on to build the world’s largest bird feeder, to save tens of thousands of migrating birds.
China’s Yalu Jiang nature reserve, near the North Korean border, covers 50 kilometres of estuarine mudflats. Every year, 250,000 birds stop off there to feast on clams. They include , and endangered . From there, they continue their epic journeys – in the case of the godwits, from New Zealand to Alaska.
However, the clams have been under pressure from…
