from ground - going into clump near Top perch - only have seen what Once heard to give begging notes - the presumed q. of nest of a blackbird - old - located near where she went 20/3 Times which had seemingly new sticks around margin - perhaps the work of shutter - not more than 10 long sticks enlarging base diameter of old flashbird nest. Pair disappeared from E hiel - not followed further. Left at 940. Went to no 2/6 - weighed eggs - 4 m - tried to return twits. One egg not looking in not sufficiently. Birds not watched - left at 1 10:10. Bird off nest 15 mins. No 3 or 4 not visited.