Gull in flight Wigeon in flight Wigeon in flight Reed bunting Reed bunting Heron Heron Small grebe Small grebe Coot Mallard Tufted duck Canada geese rat Blackbird Small grebe Wood pigeon Marsh harrier Marsh harrier Cormorant Small grebe Herons Canada geese in flight Heronry Heronry Heronry Heronry Burton Wetlands heronry Herons Incoming herons Heronry Heron in flight Heron in flight Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting Blue tits fighting