Marsh Harrier
(Circus aeruginosus).
Apart from the White-tailed Eagles on Bognæs, the Marsh Harrier is the only bird of prey that breeds on Roskilde Fjord. Some years there has been a breeding pair on Eskilsø. It also breeds, sporadically, in the reed beds by Risø and on Selsø lake.
Key to the Distribution Map.
Marsh Harrier - population trends
Marsh Harrier breeding pairs.