97 HAYDOCK MELANERPE5 FORMICIVORUS LAMBERT H N H R 21April 11:20 - Checked holes - Nobody seen. LMAR 14:30 - Bird in hole; traditional tree; new hole just below upper used during previous years. 4MAY 9:30 - Opened hole indicated above. As it turns out upper hole connects with this one! but now it is much easier to get to bottom of hole so opening it was not a complete waste of time. 5 eggs found. 4 appear incubated, but the 5th look fairly fresh suggesting either it is the last laid or unfertile and is not developing ① 23.9 x 19.4. 9may 13:57 3 babies, 1 egg piped & hatching, last egg must be infertile. Largest baby weighs 9g. 7July 9:55 - Nobody seen in a hole. Still plenty of acorns 1Sept 9:30 - Nobody sign of nesting activity. 14oct 13:20 - Nobody seen. No sign of nesting. Acorns remaining in granary.