Warning - some readers may find the last two pictures on this blog entry upsetting.
As always with a new contraption, the blue tits are first on the case. Even if their initial efforts are directed in the wrong direction - the hole is just above the blue bottletop - they get there in the end.
The range of species in our small bird population remains limited. We haven't seen either siskins or coal tits in ages, we fear that the local greenfinches are extinct, and the excitement of redpoll, twite and linnet is a distant memory.