| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an owl nest box inducing an owl to build a nest so that the owl comfortably builds the nest and breeds. <P>SOLUTION: The owl nest box 1 includes an opening 11 of which the owl uses for entering and leaving on the side of the box. An -H side opening edge 11a of the opening 11 is formed substantially horizontal. In the owl next box 1, the height from an inner side bottom surface 35a to the -H side opening edge 11a of the opening 11 is≥300 mm and≤400 mm. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
