Birds instinctively gather nesting materials to create safe, comfortable spaces. This cylindrical wire holder dispenses natural nesting fiber that small birds—canaries, finches, and exotic species—can easily pull through the bars to construct their own nests. The natural fiber promotes healthy nesting behavior while the durable wire design withstands repeated use. Simply fill the holder and watch your birds engage in their natural building instincts. An essential addition to any breeding or aviary setup.