Which behavior might indicate an animal is feeling anxious during a veterinary visit?

Excessive barking is a behavior that can indicate anxiety in animals during a veterinary visit. When an animal barks excessively, it may be expressing stress or discomfort in an unfamiliar environment. This vocalization can be a way of communicating their unease, as they may be feeling threatened or overwhelmed by the new sights, sounds, and smells associated with a veterinary clinic.

In contrast, behaviors such as energetic playfulness, sitting calmly, and curiosity about surroundings typically signify a more relaxed state. Energetic playfulness suggests the animal is comfortable and happy, while sitting calmly indicates a sense of security and lack of stress. Curiosity about surroundings often shows that the animal is interested and engaged rather than anxious. Thus, excessive barking stands out as a clear indicator of anxiety, as it reflects a response to perceived stressors in the environment.