Black tern
Black tern, Les Grangettes, Switzerland, August 2007 |
Black tern, Les Grangettes, Switzerland, August 2007 |
Black tern (chlidonias niger), Gialova, Greece, September 2010 |
Black tern (chlidonias niger), Gialova, Greece, September 2010 |
Black tern (chlidonias niger), Gialova, Greece, September 2010 |
Black tern (chlidonias niger), Préverenges, Switzerland, April 2011 |
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