These include waders such as redshank, oystercatcher, common sandpiper and curlew. The male curlew sandpiper performs an aerial display during courtship. The most numerous species are the western sandpiper, least sandpiper, and dunlin. The long-billed curlew is the largest sandpiper of regular occurrence in North America. The sanderling is a small plump sandpiper, in length. The western sandpiper ("Calidris mauri") is a small shorebird. Fast-flowing rivers attract specialist species, notably grey wagtail, dipper, common sandpiper, mandarin duck and goosander. The wood sandpiper ("Tringa glareola") is a small wader. The western sandpiper acquires winter plumage much earlier in the autumn than the semipalmated sandpiper. Two brothers, Joe and Brian Hackett, own Sandpiper, a small airline company on Nantucket Island. In winter, this is a site for purple sandpiper birds. An adult red knot is the second largest "Calidris" sandpiper, measuring long with a wingspan. For more details, see the article List of sandpiper species. He has written numerous film scores, including the score of "The Sandpiper". Jimmy and Chuck prepare for their lawsuit against Sandpiper Crossing.