Robuta

https://davesbirdingdiary.blogspot.com/2019/05/white-winged-black-tern-chlidonias.html DavesBirdingDiary: White-Winged Black Tern ( Chlidonias leucopterus ) . The Exminster Marshes .... black tern chlidonias leucopterus white winged exminster https://davesbirdingdiary.blogspot.com/2017/05/white-winged-tern-chlidonias.html DavesBirdingDiary: White-Winged Tern ( Chlidonias leucopterus ) . Staines Reservoir . Surrey chlidonias leucopterus staines reservoir white winged tern https://co.wikipedia.org/wiki/Chlidonias_leucopterus Chlidonias leucopterus - Wikipedia chlidonias leucopterus wikipedia