Short abstract from the book: The Caspian tern is a rare migrant in Denmark, most often
seen in July–August. Three Caspian terns have been ringed
in Denmark in 1931, when the species as an exception bred
in Denmark. None of the three birds was recovered. However,
eight ringed birds from populations in the Baltic Sea have
been found in Denmark: five birds from Sweden were all
found in northern Jutland, one Estonian bird was found on
Bornholm and two Finnish birds were found in the Wadden
Sea and on Zealand.
Read more about the species in the chapter from The Danish Bird Migration Atlashere
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