resist tipping the outer side wall 15 is of sufficient height that substantial amounts of liquid can be carried in the bowl thereby minimizing the need for frequent refilling the outer side wall 15 is molded together with an inner side wall 4 to a top section 3 of the bowl 1 to comprise a single unit the top section 3 is contiguous a flange 18 of the lid 2 which extends to the outer peripheral edge of the section 3 see fig1 by providing a continuous flow of material there are no sharp edges to cause injury to any animals a flat floor 6 near the bottom of the bowl 1 with the help of an inclined section 5 proximate thereto produces the necessary action of the liquid within the bowl cavity to develop undercurrents which create inner action within the liquid and force it down instead of up and out of the bowl the curvature of the lower portion 7 of the inner side wall 4 forces the liquid to roll as it strikes the bottom and interacts with liquid from the floor 6 so that they neutralize each other the lid 2 is formed from a material having a resiliency which allows it to be snapped into the upper portion of the bowl 1 to form a tight fit to retain liquid a wall segment 8 extending from the upper edge of the inner side wall 4 of the bowl provides a surface for the lid 1 to abut against in the embodiment shown in fig2 the wall segment 8 is disposed so that points.