| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure fittable to an artificial lake side, a natural lake side, a river side, a surface of mountain such as mountain range and a surface of rock and capable of promoting the tendency of wild birds to build nests. SOLUTION: This artificial nest placing structure for making wild birds build nests is characterized in that the structure is a board structure composed of a resin, lightweight concrete or a material having moldability, having a shelf-like part on one surface and equipped with a recessed part adjoining the shelf-like part and is fittable to an artificial lake side, a natural lake side, a river side, a surface of mountain range or a surface of rock so as to cover the surface of mountain or the surface of rock.
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