18-month-old Border Collie portrait

13–18-Month-Old Puppy: What to Expect (Vet Reviewed Care Guide)

Owning a pet can be incredibly fun, but it can also be a great deal of work, especially if you are a new pet owner and aren’t sure what to expect. As your puppy turns into an adult, they will go through multiple changes, and while many dogs are nearly adults by the 13-month mark, […]

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