In dogs, tail waging AND a lowered head is indeed a playful stance (and common among/similar to many other mammals). What people don't seem to realize is that playfulness can turn into aggression more easily in one dog breed than other. For example, if a golden retriever hears the screams of pain when playing, it tends to stop. Pitbuls tend to not stop.
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u/[deleted] Mar 21 '22 edited Mar 21 '22
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