🐶 Dog behavior · common
Tail Wagging
Which statement about dog tail wagging is TRUE?
Short answer
Tail wag direction (left vs right) carries emotional meaning
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What it actually means
Tail wagging is NOT a universal happiness signal. Right-biased wags (from the dog's perspective) are linked to positive emotion; left-biased wags to negative. Fast low wags can signal anxiety; high stiff wags can signal arousal that may tip into aggression.
What to do
Read the WHOLE dog. Soft loose body + neutral-height wag = happy. Stiff body + high fast wag = caution.
📚 Source: Quaranta et al., 2007, Current Biology — demonstrated lateralized tail-wagging linked to brain hemisphere processing positive vs negative stimuli.
Test your knowledge
Which statement about dog tail wagging is TRUE?
- All tail wagging means the dog is happy
- Tail wag direction (left vs right) carries emotional meaning✓ correct
- Tail wagging is purely an attention-getting behavior
- Only puppies wag their tails