At what age does a puppy become a dog?
Puppies mature into adults at a different time, which means that a large dog breed will mature into an adult at about 15 months, while smaller breeds will be puppies for only 9 months.
A puppy can be considered a dog after it has reached 1 to 2 years old. Smaller breeds will mature as early as 9 months to a year, and larger breeds may take as long as 2 years to mature.
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