Sally in Box2 gives another nesting wriggle.
In Box1, Kelly started building her nest sometime between 22nd March and today. For the record, I propose to assume she started on 1st April. Images taken around that time are no longer available.
This picture shows the state of the box on Tuesday 9th April, and although it is not complete, it is well under way.
Towards the end of the day, she gives a traditional nesting wriggle!