**WHISKERED TERN Chlidonias hybrida

Local names Man Inèy (Sansundi), Man Gep (Soeparno 1977).

Status Regular visitor. Common Australian visitor to New Guinea in February‒October (Beehler & Pratt 2016). Six recent records from Biak (most perhaps pertaining to the same birds), all at the tsunami swamp. 14 November 2017: one (A. Walker, eBird checklist S46415319); 27 September 2018: ten (K. Behrens, eBird checklist S48808438); 26 August 2019: two (P. Chaon, eBird checklist S59271786); 26 September 2019: five (P. Lansley, eBird checklist S 88250909), later the same day ten (P. Lansley, eBird checklist S 88251028); 27 September 2019: four in transitional plumage (P. Lansley, eBird checklist S 88252286).