A feather toy skimming just above the floor can do more for an indoor cat than an entire evening of aimless sprinting. When play mimics prey—short bursts, hiding, darting away—it plugs directly into the cat’s predatory circuitry, rather than asking the animal to improvise its own workout program in a living room.Biologists describe hunting as a sequence: orient, stalk, chase, pounce, and finally a...More