Animal housing unit

The design is the visual features of the ANIMAL HOUSING UNIT shown in solid lines in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or are a combination of any of these features. The stippled lines form no part of the design.FIGURE 1 is a top front perspective view of an animal housing unit according to the design;FIGURE 2 is a bottom rear perspective view of the animal housing unit of Figure 1;FIGURE 3 is a right side elevation view of the animal housing unit of Figure 1;FIGURE 4 is a front elevation view of the animal housing unit of Figure 1;FIGURE 5 is a left side elevation view of the animal housing unit of Figure 1;FIGURE 6 is a rear elevation view of the animal housing unit of Figure 1;FIGURE 7 is a top plan view of the animal housing unit of Figure 1; andFIGURE 8 is a bottom plan view of the animal housing unit of Figure 1.Drawings of the design are included.