**BRIDLED TERN Onychoprion anaethetus

Status Regular visitor. Common off most New Guinea coasts (Beehler & Pratt 2016). Recorded in Biak and Supiori waters: 27 April 2007, one between the Padaido Islands and the south coast (T. Boucher, eBird checklist S26960957); July 2007, c.30 off the beach adjacent to Biak airport ( van Beirs 2007); late August 2007, c.15 off the south coast (Bengtsson 2007); 24 August 2008: 25 (A. Whitlock, eBird checklist S48329087); and 6 August 2015: two off Rani (N. Voaden, eBird checklist S24512191). D. Lopez-Velasco (in litt. 2021) noted it as moderately common between Biak and Numfor in July ‒ August.