Lake Dinas Lake Dinas Greylag goose Buzzard Heron Little grebe Black headed gull Reed bunting Collared dove Avocets Shoveler duck Tufted ducks Song thrush Song thrush Blue tit Marsh harrier Marsh harrier Marsh harrier Greylag goose Squirrel Heron Black headed gull Dunnock Greylag goose Egyptian goose Chaffinch Pheasant Great white egret Great white egret Marsh harrier Marsh harrier Little grebe Little egret Greylag goose and a great white egret Water rail Moorhen Canada goose Heron Heron Reed bunting Reed bunting Cetti's warbler Great white egret Great white egret Great white egret