Denmark is a focal point for bird migration in Europe, with at least 20 million water birds using Danish waters each year for breeding, wintering or migratory stop-over.
(Denmark; is; a focal point for bird migration in Europe) (at least 20 million water birds; using; Danish waters; T:each year; for breeding) (at least 20 million water birds; wintering; )
Denmark at least 20 million water birds at least 20 million water birds
is using wintering
a focal point for bird migration in Europe
Danish waters T:each year for breeding