The ornamental design for a container having the shape of a duckcall, as shown and described.
FIG. 1 is a perspective view showing my new design of a container having the shape of a duck call in the open position;
FIG. 2 is a perspective view of a container having the shape of a duck call in the partially closed position;
FIG. 3 is an elevation view of the receptacle end of the container having the shape of a duck call, the opposite side being a mirror image thereof; and,
FIG. 4 is an elevation view of the cap end of the container having the shape of a duck call, the opposite side being a mirror image thereof.
The broken line showing is for illustrative purposes only, and forms no part of the claimed design.
The views of the container having the shape of a duck call that are not shown form no part of the claimed design.