Like all of nesting boxes Habau is also this beautiful nest box well made and a real eye-catcher. By triangular design me the interior seems a little small. I will therefore use this year once the small entrance hole.
Addendum: After the first winter of the nest box has fallen from the tree (the wood lath for fastening is broken at the well), and the flap to open the box to warp. Therefore, there are now penalized. The wood is just too soft.
