At four months, your cute little puppy may suddenly start looking like a miniature adult Rottweiler. Don't let their size fool you — your puppy is still developing mentally and physically and needs consistent training, socialization and boundaries.
| Development | What you may notice |
|---|---|
| Body | Rapid increase in height and muscle |
| Teeth | Adult teeth beginning to appear |
| Behavior | Increased independence |
| Training | Better concentration but more boundary testing |
| Socialization | Continued exposure is important |
| Energy | Increasing |
| Confidence | Growing rapidly |
Missed the previous stage? Read the 3-month-old Rottweiler puppy guide.
Many owners notice what looks like "selective hearing." Your puppy isn't suddenly untrained — the environment is simply becoming more interesting.
Practice commands in gradually more distracting locations rather than expecting perfect obedience everywhere immediately.
Focus on:
Consistency becomes increasingly important as your puppy gets stronger.
A good goal is that your puppy is beginning to understand:
Adolescence is next — see the 6-month-old Rottweiler guide.