Egretta sacra, Gmelin, 1789

Bishop, K. David, 2023, The avifauna of Biak Island, Papua, Indonesia with comments on status, conservation, natural history and taxonomy, Bulletin of the British Ornithologists’ Club 143 (1), pp. 3-62 : 25

EASTERN REEF EGRET Egretta sacra #

Local name Man Sorom (Sansundi).

Range E. s. sacra Biak, Supiori, Owi, Numfor, Yapen.

Status Resident? Infrequently recorded. Collected only by Ripley ( Mayr & Meyer de Schauensee 1939). Several observers, including KDB, have noted dark morphs on the south coast of Biak and Supiori. In January 1997 SvB saw one white morph on the south coast and one dark morph on the north coast of Biak. 13 January 1994: ten on Owi (P. Gregory in litt. 2000).