| 摘要 |
A bird feeder apparatus comprising a structure having a substantially vertical axis of rotation about which the structure is mounted for free rotation in a horizontal plane. The bird feeder tray is carried by the structure to pivot relative thereto at several locations about the axis, whereby the bird feed in the tray remains presented upwardly as the structure rises, falls, pitches, rolls, pivots, swings and sways in response to bird weight application to the tray or bird leverage arms.
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