Curlew Sandpiper (Calidris ferruginea): A Detailed Biological and Ecological Exploration Introduction The Curlew Sandpiper (Calidris ferruginea) is a graceful long-distance migratory shorebird, admired for its slender, downcurved bill and striking transformation between breeding and non-breeding plumages. This species occupies a prominent position among Palearctic waders due to its vast migratory journeys, specialized feeding ecology, and […]