Tringa Squatarola Linnaeus, Syst. Nat., ed. 10, 1, 1758, p. 149. (Type locality, Europe, restricted to Sweden.)
Charadrius squatarola Hartert, Novit. Zool., 5, 1898, p. 66 (Saipan); Seale, Occ. Papers Bernice P. Bishop Mus., 1, 1901, p. 35 (Micronesia); Safford, Osprey, 1902, p. 67 (Marianas).
Squatarola squatarola Hartert, Novit. Zool., 7, 1900, p. 9 (Ruk); Safford, The Plant World, 7, 1904, p. 266 (Guam); idem, Contr. U. S. Nat. Herb., 9, 1905, p. 80 (Guam); Cox, Island of Guam, 1917, p. 22 (Guam); Ridgway, Bull. U. S. Nat. Mus., 50, pt. 8, 1919, p. 72 (Ruk); Bryan, Guam Rec., vol. 13, no. 2, 1936, p. 15 (Guam); Hand-list Japanese Birds, 3d ed., 1942, p. 216 (Saipan, Truk); Mayr, Birds Southwest Pacific, 1945, p. 36 (Truk); Baker, Smithson. Misc. Coll., vol. 107, no. 15, 1948, p. 50 (Guam).
Squatarola helvetica Takatsukasa and Kuroda, Tori, 1, 1915, p. 61 (Marianas, Ruk).
Squatarola squatarola hypomelaena Kuroda, in Momiyama, Birds Micronesia, 1922, p. 43 (Ruk, Saipan); Hand-list Japanese Birds, rev., 1932, p. 193 (Saipan, Truk).
Geographic range.—Breeds in arctic regions of Holarctica. Winters in Southern Hemisphere. In Micronesia: Mariana Islands—Guam, Saipan; Caroline Islands—Truk; Marshall Islands—Eniwetok.
Specimens examined.—One female from Mariana Islands. USNM—Guam (Aug. 27).
Remarks.—The Black-bellied Plover is an uncommon visitor to Micronesia. One bird was obtained by Markley of the NAMRU2 party at Guam on August 27, 1945; Flavin recorded five of these birds from November, 1944, to January, 1946. Bryan and Greenway (1944:109) record this species as an occasional visitor to the Hawaiian Islands. Gleise and Genelly (1945:221) observed the Black-bellied Plover at Eniwetok in 1945.