Great tit Coal tit Coal tit Coal tit Coal tit Magpie Blue tit Coal tit and great tit Black tailed godwits Marsh harrier Marsh harriers Marsh harriers Little egret Pheasant Cormorants Herons gathering Heron Geese congregating.. Cormorant Cormorant Cormorant Avocets Avocets Great tit and blue tit Dunnock Tufted ducks Blackbird Blackbird Robin Nuthatch Nuthatch Nuthatch Avocets Chaffinch Cormorant Robin Robin Dunnock Great tit Great tit Heron Robin Robin Robin Robin