OYSTERCATCHERS have a long orange-red bill and legs, with white patches on their wings and tail, black upperparts and white underparts, making them very distinctive. Their call – a loud piping whistle – identifies them from a distance. The large, strong bill, means they can feed on prey unavailable to other waders, such as cockles, mussels and other bivalves, which they force open. They breed in a wide range of habitats, including saltmarshes, beaches (sand and shingle), alongside waterbodies and in agricultural land. During the winter, large flocks congregate on estuarine mudflats and saltmarshes.
At this time of year, birds will have returned from their breeding grounds, so large flocks can often be found together on the coasts where they feed. Most coastal sites will have oystercatchers present, although they…