Shortage of cockles in Wadden Sea is affecting migratory birds

The hot weather is causing cockles in the Wadden Sea to die off in huge numbers, further endangering the survival of birds that depend on them for food, experts have said. It’s not the first time the cockle population has been decimated by high temperatures. Similar trends were seen in the hot summers of 2018 and 2019. The scene – young dead cockles littering the beach at the small island of Griend and fewer, older and bigger ones on the...