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What breed is my new 3-month-old puppy? Shelter said border collie.

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 2 months and 11 days old | 12 lbs

Trying to find out what breed my new puppy is the shelter said he was part border collie. Also said he is about 3 months old today.

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Answered By Dr. Elizabeth

Veterinarian

Published on February 12th, 2019

Newton is cute!!! Visual identification is incorrect about 75% of the time. The fact is there are too many breeds that share too many similar characteristics to pinpoint most of them accurately. That being said, this is completely a guess on my part. When I look at Newton, I see Australian cattle dog and maybe some German Shepherd. I don’t think Newton is likely a 50-50 mixture. He likely is a few different things. If you are ever curious and want to know, there are genetic tests available for dogs. I recommend the wisdom panel. It’s just a simple cheek swab. I hope this is helpful and please feel free to post any additional questions.

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