Fly Flats

This afternoon
4 Common Sandpipers
1 Dunlin
1 Golden Plover
4 Wheatear
6 Swallows
and usual sp..

Up to 5 Twite (but not all at the same time)
First 3 - one ringed - pink on left BTO on right
Two others one with left down pink/greenish?/yellow
the other bird pink/white/then a dark ring looked black?