In winter, hen harriers can be seen foraging, and a wide range of plants and invertebrates thrive there.
This species is one of the most important nest hosts of the Cuckoo, and it is also an important prey species for Merlins and Hen Harriers.
It differs from the Hen Harrier in its smaller size, narrower wings, pale colour different wing tip pattern.
Harrier | hen | Marsh Harrier | Hawker Siddeley Harrier | Harrier Jump Jet | Montagu's Harrier | harrier (bird) | harrier | Swamp Harrier | Red Hen Press | Pallid Harrier | Llywarch Hen | Hen Harrier | Ng Eng Hen | Hen Wlad Fy Nhadau | Hen Ogledd | Eastern Marsh Harrier | Dyfnwal Hen | The Wise Little Hen | The Little Red Hen | Space Harrier | Papuan Harrier | Leafie, A Hen into the Wild | Koko ga Hen da yo Nihonjin | Hyde Harrier | Hen harrier | Hen%C3%A5n | Hen and chicks | Harrier jump jet | fat hen |
On the marshes and tidal flats thousands of birds occur, such as Common redshank, Barnacle goose, Spoonbill, Hen harrier, Oystercatcher, red knot, Bar-tailed godwit, Curlew and European Herring Gull.