Dupetor flavicollis flavicollis (Latham)
Black Bittern
Ardea flavicollis Latham, Ind. Ornith., 2, 1790, p. 701. (Type locality, India.)
Dupetor flavicollis Seale, Occ. Papers Bernice P. Bishop Mus., 1, 1901, p. 26 (Guam); Bryan, Guam Rec., vol. 13, no. 2, 1936, p. 15 (Guam).
Dupetor f. flavicollis Mayr, Birds Southwest Pacific, 1945, p. 302 (Guam).
Geographic range.—Central China south to Malaysia and India. In Micronesia: Mariana Islands—Guam.
Remarks.—Seale (1901:26) records a female shot at the Agaña River on Guam on June 11, 1900. The skin probably is in the Bernice P. Bishop Museum in Honolulu.