FIG. 1 is a bottom perspective view of a yogurt display shelf according to the present design; FIG. 2 is a bottom view of the design of FIG. 1; FIG. 3 is a top view of the design of FIG. 1; FIG. 4 is a left side view of the design of FIG. 1; FIG. 5 is a right side view of the design of FIG. 1; FIG. 6 is a front view of the design of FIG. 1; and, FIG. 7 is a back view of the design of FIG. 1.