I claim the ornamental design for a bamboo bird feeder, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front perspective view of a bamboo bird feeder;
FIG. 2 is a side perspective view thereof;
FIG. 3 is a rotated front perspective view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a front elevation view thereof; and,
FIG. 7 is a rotated side elevation view thereof.
Colored drawings are the only practicable medium for illustrating the claimed invention.