|Rob Mungovan, centre in yellow, with the volunteer team|
|John Willis, centre in blue, organises the team|
The Swifts are steadily occupying the new boxes, but so are the Starlings, especially in the Schwegler boxes, as their entrances are larger than is necessary for Swifts.
|Front louvres with and without Polyfilla|
The idea is a simple one, reduce the entrance size by using Polyfilla.
|Entrance reduced to 30mm|