Whooper swans at Martin Mere bird reserve near Ormskirk, Lancashire, England, United Kingdom, Europe

martin mere lancashire ormskirk bird bird reserve nature nature reserve conservation winter wildfowl wwt wildfowl and wetlands trust organisation wetland marsh water swan whooper swan white flight flying flock cygnus cygnus migration day outdoors landscape landscapes natural world animals birds swans whooper swans groups england wildlife great britain united kingdom europe horizontal