Pied Wagtails

Spent the late afternoon on the golf course. A flock of about twenty pied wagtails were feeding on some flying insects invisible to my eye. These birds are known to roost together for warmth and sometimes to occupy buildings or trees with electric lights which give off some extra heat. These particular birds would be unlikely, given their location, to be able to benefit from such a luxury. With a sharp frost forecast for tonight the late feed would hopefully have given them sufficient resistance.
Other birds feeding late were fieldfares and mistle thrushes which appeared to be making the most of the ample rowan berry crop.