Both Whimbrels and Long-billed Curlews have a pinkish base to their lower mandibles but it extends further down the bill in Long-billed. Found on beaches and open fields, solo or in flocks. Exceptional bill length and shape rules out other large shorebirds (Marbled Godwit, Willet and Whimbrel). Curlew is a familiar wader, found in wild habitats around the UK. In April and May numbers of their smaller cousin, Whimbrel, will be moving through towards. For a little background Long-billed Curlews breed in the western plains, Marbled Godwits in the upper mid-west and Canada and Whimbrels in. Whimbrel Identification. Overview · ID info · Life Most distinctive features are the long curved bill and striped head. Long-billed Curlew is similar to Whimbrel. The curlew and whimbrel are both large, brown waders with long, Bill: Very long, distinctively and quite evenly downcurved gill, longest in females. Female. I have always wanted to be able to photograph Whimbrel and Long-billed Curlew side-by-side, so even though these birds were a little distant. Whimbrels are smaller with a shorter bill than Long-billed Curlews. They also have a striped crown unlike the plain-crowned Long-billed Curlews.