The Avifauna of Micronesia, Its Origin, Evolution, and Distribution

by Rollin H. Baker

Strepsila collaris Kittlitz, Obser. Zool., in Lutké, Voy. "Le Séniavine," 3, 1836, pp. 287, 299, 304 (Ualan, Lougounor, Guahan); idem, Denkw. Reise russ. Amer. Micron. und Kamchat., 2, 1858, p. 32 (Ualan).

Strepsilas interpres Kittlitz, Denk. Reise russ. Amer. Micron. und Kamchat., 2, 1858, pp. 32, 55, 86 (Ualan); Pelzeln, Reise "Novara," Vögel, 1865, p. 117 (Mariannen); Finsch and Hartlaub, Fauna Ornith. Centralpolynesian, 1867, p. 200 (Mariannen); Hartlaub, Proc. Zool. Soc. London, 1867 (1868), p. 831 (Pelew); Hartlaub and Finsch, Proc. Zool. Soc. London, 1868, pp. 8, 118 (Pelew); idem, Proc. Zool. Soc. London, 1872, pp. 89, 104 (Pelew, Uap, Mackenzie); Gräffe, Journ. Mus. Godeffroy, 2, 1873, p. 123 (Yap); Finsch, Journ. Mus. Godeffroy, 8, 1875, pp. 5, 32 (Palau); idem, Proc. Zool. Soc. London, 1877 (1878), p. 781 (Ponapé); idem, Ibis, 1880, pp. 220, 330, 332 (Taluit); idem, Journ. f. Ornith., 1880, pp. 294, 306 (Ponapé, Kuschai); idem, Proc. Zool. Soc. London, 1880, p. 576 (Ruk); idem, Ibis, 1881, pp. 105, 109, 115 (Kushai, Ponapé); Schmeltz and Krause, Ethnogr. Abth. Mus. Godeffroy, 1881, pp. 281, 330, 353 (Ponapé, Nukuor, Ruk); Salvadori, Ornith. Papuasia, 3, 1882, p. 289 (Pelew, Mariannis); Finsch, Mitth. Ornith. Ver. Wien, 1884, p. 56 (Jaluit, Kuschai); Wiglesworth, Abhandl. und Ber. Zool. Mus. Dresden, no. 6, 1890-1891 (1891); p. 63 (Ualan, Ponapé, Luganor, Nukuor, Ruk, Mackenzie, Pelew, Marianne); Oustalet, Nouv. Arch. Mus. Hist. Nat. Paris, (3), 8, 1896, p. 45 (Guam, Saypan, Hogoleu, Marshalls, Mackensie, Palaos); Hartert, Novit. Zool., 5, 1898, p. 66 (Guam); idem, Novit. Zool., 7, 1900, p. 9 (Ruk); Takatsukasa and Kuroda, Tori, 1, 1915, p. 51 (Ponapé); Uchida, Annot. Zool. Japon., 9, 1918, p. 489 (Ponapé).

Cinclus interpres Gray, Cat. Birds Trop. Is. Pacific Ocean, 1859, p. 48 (Ladrones).

Arenaria interpres Sharpe, Cat. Birds British Mus., 24, 1896, p. 92 (Micronesia); Seale, Occ. Papers Bernice P. Bishop Mus., 1, 1901, p. 37 (Guam); Safford, Osprey, 1902, p. 68 (Marianas); idem, The Plant World, 7, 1904, p. 266 (Guam); Schnee, Zool. Jahrbücher, 20, 1904, p. 389 (Marshall Islands); Safford, Contr. U. S. Nat. Herb., 9, 1905, p. 80 (Guam), Cox, Island of Guam, 1917, p. 22 (Guam); Wharton and Hardcastle, Journ. Parasitology, 32, 1946, pp. 316, 320 (Guam, Peleliu); Downs, Trans. Kansas Acad. Sci., 49, 1946, p. 105 (Tinian); Strophlet, Auk, 1946, p. 537 (Guam); Wharton, Ecol. Monogr., 16, 1946, pp. 174, 175 (Guam); Borror, Auk, 1947, p. 417 (Agrihan); Baker, Smithson. Misc. Coll., vol. 107, no. 15, 1948, p. 53 (Guam, Rota, Peleliu, Truk).

Arenaria interpres oahuensis Wetmore, in Townsend and Wetmore, Bull. Mus. Comp. Zoöl., 66, 1919, p. 177 (Jaluit, Rongelab, Uala); Kuroda, in Momiyama, Birds Micronesia, 1922, p. 45 (Guam, Saipan, Pelew, Angaur, Kusaie, Ponapé, Luganor, Nukuor, Ruk, Yap, Mackenzie, Taluit, Rongelab).

Arenaria interpres interpres Ridgway, Bull. U. S. Nat. Mus., 50, pt. 8, 1919, p. 45 (Micronesia); Hand-list Japanese Birds, rev., 1932, p. 194 (Guam, Saipan, Anguar, Kusaie, Ponapé, Luganor, Nukuor, Ruk, Yap, Mackenzie, Taluit, Rongelab, Mille, Majuro, Wotze, Likieb); Bryan, Guam Rec., vol. 13, no. 2, 1936, p. 24 (Guam); Hand-list Japanese Birds, 3d ed., 1942, p. 217 (Guam, Saipan, Angaur, Kusaie, Ponapé, Luganor, Ruk, Yap, Mackenzie, Taluit, Rongelab, Mille, Majuro, Wotze, Likieb); Stickney, Amer. Mus. Novit., no. 1248, 1943, p. 8 (Guam, Palau, Ponapé, Kusaie).

Geographic range.—Breeds in northern parts of the Northern Hemisphere. Winters to Southern Hemisphere. In Micronesia: Mariana Islands—Guam, Rota, Saipan; Palau Islands—Angaur, Peleliu, Caroline Islands—Yap, Ulithi, Truk, Lugunor, Nukuor, Ponapé, Kusaie; Marshall Islands—Jaluit, Rongelab, Mille, Majuro, Wotze, Likieb, Bikini.

Specimens examined.—Total number, 36 (17 males, 16 females, 3 unsexed), as follows: Mariana Islands. USNM—Guam, 7 (Oct. 10-26)—Rota, 2 (Oct. 20, Nov. 2); AMNH—Guam, 4 (Mar. 22, 27, Aug. 18); Palau Islands, USNM—Peleliu, 1 (Sept. 8); AMNH—exact locality not given, 3 (Dec. 8); Caroline Islands, USNM—Truk, 1 (Dec. 22); AMNH—Ponapé, 4 (Dec. 16)—Truk, 4 (Feb. 5, 7, July 14)—Kusaie, 7 (Mar. 10-30); Marshall Islands, USNM—Bikini, 3 (Feb. 26, Mar. 4).

Weights.—The NAMRU2 party obtained the weights of four males taken at Guam and Rota as 77-99 (92) and one female from Guam as 90. These birds were obtained in October and November.