White-winged Tern
Chlidonias leucopterus

– very small tern, smallest Chlidonias sp., just slightly larger than Little Tern
– diurnal migrant (probably also nocturnal)
– migrates singly or in small to medium, loose to rather dense flocks
– occasionally mixed with other Chlidonias sp.


White-winged Tern Chlidonias leucopterus, 1CY
BIF2161, 31/07/2010, Mongolia, Martin Grimm


White-winged Tern Chlidonias leucopterus, 1CY
BIF2162, 31/07/2010, Mongolia, Martin Grimm


White-winged Tern Chlidonias leucopterus, 2CY
BIF0480, 23/01/2014, Lake Albert, Uganda, Mathias Putze


White-winged Tern Chlidonias leucopterus, 2CY
BIF0481, 14/01/2015, Lake Chamo, Ethiopia, Mathias Putze


White-winged Tern Chlidonias leucopterus, 2CY
BIF0990, 14/01/2015, Lake Chamo, Ethiopia, Mathias Putze


White-winged Tern Chlidonias leucopterus, 2CY
BIF0991, 22/06/2016, Tsagaan Nuur, Mongolia, Mathias Putze


White-winged Tern Chlidonias leucopterus, 2CY
BIF0992, 22/06/2016, Tsagaan Nuur, Mongolia, Mathias Putze


White-winged Tern Chlidonias leucopterus, AD BREED
BIF0130, 31/05/2011, Hortobágy, Hungary, Mathias Putze


White-winged Tern Chlidonias leucopterus, AD BREED
BIF1259, 02/05/2012, Besh Barmag, Azerbaijan, Michael Heiß


White-winged Tern Chlidonias leucopterus, AD BREED
BIF1260, 01/05/2012, Besh Barmag, Azerbaijan, Michael Heiß


White-winged Tern Chlidonias leucopterus, AD BREED
BIF2163, 11/06/2018, Unteres Odertal, Germany, Martin Grimm


White-winged Tern Chlidonias leucopterus, AD BREED -> NBREED
BIF0131, 30/07/2010, Hortobágy, Hungary, Mathias Putze


White-winged Tern Chlidonias leucopterus, AD BREED -> NBREED
BIF0132, 30/07/2010, Hortobágy, Hungary, Mathias Putze


White-winged Tern Chlidonias leucopterus, NBREED
BIF0478, 23/01/2014, Lake Albert, Uganda, Mathias Putze


White-winged Tern Chlidonias leucopterus, NBREED
BIF0479, 23/01/2014, Lake Albert, Uganda, Mathias Putze


White-winged Tern Chlidonias leucopterus, AD BREED
BIF0162, 31/05/2011, Buir Nuur, Mongolia, Mathias Putze


White-winged Tern Chlidonias leucopterus, AD BREED -> NBREED, 1CY
Common Tern Sterna h. hirundo, AD BREED -> NBREED

BIF1265, 03/09/2011, Besh Barmag, Azerbaijan, Michael Heiß


White-winged Tern Chlidonias leucopterus, AD BREED -> NBREED, 1CY
Gull-billed Tern Gelochelidon nilotica

BIF1264, 15/09/2016, Besh Barmag, Azerbaijan, Michael Heiß


White-winged Tern Chlidonias leucopterus, AD BREED
BIF1263, 02/05/2012, Besh Barmag, Azerbaijan, Michael Heiß


White-winged Tern Chlidonias leucopterus, AD BREED -> NBREED, 1CY
BIF1266, 21/08/2011, Besh Barmag, Azerbaijan, Michael Heiß


White-winged Tern Chlidonias leucopterus, 1CY
BIF1267, 22/09/2016, Besh Barmag, Azerbaijan, Michael Heiß


White-winged Tern Chlidonias leucopterus, calls in flight
BIF0033, 21/05/11, Shar, Kazakhstan, Patrick Franke
Telinga parabolic reflector

comparison species:
Black Tern
Whiskered Tern

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