Crocethia alba (Pallas)
Sanderling
Trynga alba Pallas, in Vroeg's Cat., 1764, Adumbr., p. 7. (Type locality, Coast of the North Sea.)
Calidris arenaria Finsch, Ibis, 1880, pp. 331, 332 (Taluit); idem, Mitth. Ornith. Ver. Wien, 1884, p. 56 (Jaluit); Seale, Occ. Papers Bernice P. Bishop Mus., 1, 1901, p. 33 (Guam); Safford, Osprey, 1902, p. 70 (Mariannes); idem, The Plant World, 7, 1904, p. 268 (Guam); Schnee, Zool. Jahrbücher, 20, 1904, p. 390 (Marschall-Inseln).
Tringa arenaria Wiglesworth, Abhandl. und Ber. Zool. Mus. Dresden, no. 6, 1890-1891 (1891), p. 64 (Taluit); Hartert, Novit. Zool., 5, 1898, pp. 65, 69 (Guam).
Calidris alba Ridgway, Bull. U. S. Nat. Mus., 50, pt. 8, 1919, p. 308 (Marshall Islands).
Crocethia alba Kuroda, in Momiyama, Birds Micronesia, 1922, p. 48 (Taluit, Guam); Hand-list Japanese Birds, rev., 1932, p. 193 (Taluit, Guam); Bryan, Guam Rec., vol. 13, no. 2, 1936, p. 24 (Guam); Hand-list Japanese Birds, 3d ed., 1942, p. 215 (Jaluit, Guam); Stickney, Amer. Mus. Novit., no. 1248, 1943, p. 9 (Guam, Jaluit); Mayr, Birds Southwest Pacific, 1945, p. 44 (Marianas, Marshalls); Baker, Smithson. Misc. Coll., vol. 107, no. 15, 1948, p. 54 (Ulithi).
Geographic range.—Breeds in Arctic regions of the Northern Hemisphere. Winters to Southern Hemisphere. In Micronesia: Mariana Islands—Guam; Caroline Islands—Ulithi; Marshall Islands—Jaluit.
Specimens examined.—Total number, 5 (2 males, 3 females), as follows: Mariana Islands, AMNH—Guam, 4 (Dec. 2-4); Caroline Islands, USNM, 1 (Aug. 21).
Remarks.—Stickney (1943:8, 9) summarizes the available information concerning the Sanderling in Oceania. The bird may be classed as a regular visitor in eastern Micronesia; the most western record is from Ulithi in the western Carolines. It has been recorded also at Guam and Jaluit.
The NAMRU2 party secured one Sanderling from a flock of approximately thirty birds containing this species and Charadrius mongolus stegmanni at Pau Island, Ulithi Atoll, on August 21, 1945.