Bird cage top

FIG. 1 is a perspective view of a bird cage top showing my new design;

FIG. 2 is the right side elevational view thereof and the left side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front side elevational view thereof and a rear side elevational view being a mirror image thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view thereof shown in a closed position; and,

FIG. 7 is another perspective view thereof shown in an open position.

The broken line showing of environment in the drawings is for illustrative purposes only and forms no part of the claimed design.