Does your dog bark at the TV every time an animal appears? This behaviour is usually learned and accidentally reinforced. When your dog barks at animals on the screen and the image then disappears or changes, the barking is negatively reinforced. Negative reinforcement means something is removed to increase a behaviour — in this case, the perceived “threat” goes away, so barking is strengthened: bark → animal disappears → barking works. Many owners try to use a “quiet” cue, but this often backfi