Here is a summary of Winter Thrushes I noted over a couple of hours this morning...
At Piccotts End
C.5 SONG THRUSHES over S
At Great Gaddesden & Water End
C.340 REDWINGS through S
10+ SONG THRUSHES over S & alighting bushes
At Corner Hall
C.30 REDWINGS over S
There were probably many more but this gives an idea of the mass arrival of Redwings & Song Thrushes Nationally.