Yes, dogs often display specific physical and behavioral signs before biting. Key indicators include growling, showing bared teeth, stiffening their body, and raised fur along the back. Other signs are pinned-back ears, a tucked tail, and a fixed stare. Subtle cues like yawning, licking lips, or turning the head away can also signal discomfort or anxiety. Recognizing these warning signs allows for early intervention, preventing potential bites. Understanding canine body language is essential for promoting safe interactions and reducing the risk of dog bites.