Eurasian Black Tern
Chlidonias niger

>> GENERAL >>>>>

– small tern, considerably smaller than Common Black-headed Gull
– diurnal migrant (probably also nocturnal)
– migrates singly or in small to medium, loose to rather dense flocks
– occasionally mixed with other Chlidonias sp.

>> VISUAL ID >>>>>


Eurasian Black Tern Chlidonias n. niger, AD BREED
BIF0038, 09/05/2011, Milow, Germany, Mathias Putze


Eurasian Black Tern Chlidonias n. niger, AD BREED
BIF0037, 09/05/2011, Milow, Germany, Mathias Putze


Eurasian Black Tern Chlidonias n. niger, AD BREED
BIF0035, 09/05/2011, Milow, Germany, Mathias Putze


Eurasian Black Tern Chlidonias n. niger, 1CY
BIF3067, 16/08/2019, North Sea, offshore, Roland Neumann


Eurasian Black Tern Chlidonias n. niger, AD BREED
BIF1271, 13/05/2016, North Sea, offshore, Roland Neumann


Eurasian Black Tern Chlidonias n. niger, AD BREED
BIF0036, 04/05/2013, Havelland, Germany, Mathias Putze


Eurasian Black Tern Chlidonias n. niger, AD BREED -> NBREED
BIF3068, 16/08/2019, North Sea, offshore, Roland Neumann


Eurasian Black Tern Chlidonias n. niger, AD BREED -> NBREED
BIF0579, 09/08/14, Emden, Germany, Mathias Putze


Eurasian Black Tern Chlidonias n. niger, 1CY, AD BREED -> NBREED
BIF3069, 16/08/2019, North Sea, offshore, Roland Neumann

>> ACOUSTIC ID >>>>>


– detail –

Eurasian Black Tern Chlidonias n niger, calls in flight
White-winged Tern Chlidonias leucopterus, calls in flight
Caspian Gull Larus c. cachinanns, calls in flight
– overview –
BIF0039, 26/05/2011, Rybachje, Kazakhstan, Patrick Franke

>> COMPARISON SPECIES >>>>>

comparison species:
White-winged Tern
Whiskered Tern

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