The ornamental design for a combinationcollar and leash for animals, as shown and described.
FIG. 1 is a top perspective view of a combination collar and leash for animals, showing my new design;
FIG. 2 is a side elevational view of the combination collar and leash for animals according to the present invention as shown in FIG. 1, the opposite side elevational view being a mirror image;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom view thereof.
The broken line showing a side release buckle depicts environmental matter and forms no part of the claimed design. The remaining broken lines in the drawings depict stitching that forms no part of the claimed design.