Paul McDevitt
Bird buffet
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 border with North Korea, extends across 50 kilometres of estuarine mudflats. Every year, 250,000 birds, including the endangered great knot, godwits, and oystercatchers stop off at the reserve to feast on clams. From there, they continue journeys that can stretch tens of thousands of kilometres – in the case of the godwit, from New Zealand to breeding grounds in Alaska.
However, the clam population has been under pressure from pollution and environmental…
