While tail wagging is often associated with happiness, it can also indicate other emotions such as anxiety, nervousness, or even aggression. The position and speed of the wag can provide more context.
Dogs may yawn when they are tired, but they can also yawn as a stress signal, especially in uncomfortable situations.
Baring teeth is commonly interpreted as a sign of aggression, but dogs may also show their teeth in a submissive or fearful posture.
Raised fur along the dog's back, known as hackles, is often seen as a sign of aggression. However, it can also occur due to excitement, fear, or arousal.
Dogs may turn their head or body away from a person or another dog as a way to avoid confrontation or as a calming signal.
When a dog freezes in place, it can indicate that they are unsure or uncomfortable with the situation. It's a signal to proceed with caution
A dog lifting one paw can be a sign of uncertainty or a request for attention, rather than a signal of aggression.
The play bow, where a dog lowers their front legs while keeping their hindquarters up, is a common invitation to play. However, it can also be a sign of excitement or anticipation.