The real trick is the overlapping shapes. Some animals are not drawn with separate outlines but are created using parts of other silhouettes or the spaces between them. This technique forces your brain to interpret the same lines in different ways, making the puzzle much harder than it initially appears.
Negative space is especially important. The empty areas surrounding an animal can form another creature’s head, body, or legs. Instead of concentrating only on the dark shapes, examine the gaps between them. A curved space or unusual outline might suddenly become recognizable as another animal.
If you want to solve it yourself, examine the image section by section. Start on the left, then move toward the central cow. Look closely around their heads, legs, backs, and undersides. Don’t assume every dark area belongs to the largest animal; follow individual outlines and look for separate shapes.