Offer native birds a nesting aid with this bird box. The cute nesting box with green roof helps smaller wild birds such as tits and sparrows to raise their offspring safely. The entrance hole of about 3.5 cm protects the young birds from predators as well as rain and wind. The sturdy birdhouse is made of untreated fir wood. In addition, the bird nesting aid has a hinged door, thanks to which you can easily clean the tit nesting box after the breeding season.a Bird Nesting Box in Detail - Overall dimensions H x W x D: approx. 22 x 14 x 15 cm - Interior dimensions W x D: approx. 9 x 9 cm - Entry hole D: approx. 35 mm - Weight: approx. 450 g - Material: fir wood (FSC-certified) - Colour: natural wood, green Incubator Box for Garden Birds - 35 mm entrance hole for birds such as blue or great tits, sparrows, etc. - Bird house to hang on tree or house walls - Provides safe shelter for young birds in spring or winter - Made of untreated fir wood with green roof and logo - Easy to clean