We claim the ornamental design for a support perch, as shown and described.
FIG. 1 is a front perspective view of an embodiment of the claimed design;
FIG. 2 is a right elevation view thereof;
FIG. 3 is a left elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan elevation view thereof;
FIG. 8 is a front perspective view of another embodiment of the claimed design;
FIG. 9 is a right elevation view thereof;
FIG. 10 is a left elevation view thereof;
FIG. 11 is a front elevation view thereof;
FIG. 12 is a rear view thereof;
FIG. 13 is a top plan view thereof; and,
FIG. 14 is a bottom plan elevation view thereof.
The broken lines in the drawings form no part of the claimed design. Broken lines formed by equal length dashes show unclaimed subject matter. The structural support is shown with symbolic breaks in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.