Take action immediately if you spot 11 aggressive puppy warning signs

The most common warning signs to watch for in your puppy's behaviors include snarling, growling, mounting, snapping, nipping, lip curling, lunging, dominance, challenging stance, dead-eye stare, aggressive barking, possessiveness, and of course, biting!

The most common aggressive puppy warning signs to watch for include behaviors like snarling, growling, mounting, snapping, and biting.

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