Beware of glass! For the protection of songbirds, we offer the two motifs of birds of prey. The size is about the actual size of the birds of prey and the shape is quite naturalistic. As a result, the songbirds perceive them as a real enemy and thus warn them against approaching the glass pane. bird protection bird: 46 x 45 cm bird fish: 40 x 75 cm High-performance film, anthracite metallic, self-adhesive. Design classic: manufactured since 2003 Design: Peter Keilbach Made in Germany - designed and produced in Hohenlohe