How to Choose a Puppy From a Litter
Standing in front of a litter of puppies is one of the most delightful, and most difficult, moments for a prospective owner. They all look adorable, and it is tempting to choose the one who runs to you, or the one who looks sad in the corner. But looks and first impressions can be misleading. A careful approach to choosing a puppy, based on the source, the parents, the health, and the temperament, makes a bigger difference to your next 10 to 15 years. This guide explains what to ask, what to observe, and how to avoid common mistakes.
Written by the TailorPup team, updated October 2026. See our editorial approach.
Start with the source
A good puppy comes from a good source. A responsible breeder raises puppies in a clean, family environment, health-tests the parents for breed-specific conditions, socializes the puppies from birth, and asks you questions in return. They let you visit, meet the mother, and see where the puppies live. They will take the puppy back at any time in its life, if you cannot keep it.
Be wary of sellers who offer puppies at any time, who will not let you visit, who sell several breeds at once, or who ship puppies without meeting buyers. Puppies from poor sources may have health and behavioral problems. Shelters and rescues can also provide wonderful puppies, with background information and support.
Questions to ask the breeder
Prepare a list of questions, and take notes. A good breeder will welcome them.
- What health tests have the parents had, and can I see the results?
- Can I meet the mother, and the father if he is on site?
- How have the puppies been socialized, and what experiences have they had?
- What vaccinations, deworming, and vet checks have the puppies had?
- What do you feed the puppies, and what will you send home with me?
- Do you provide a contract, and a health guarantee?
- What is your policy if I cannot keep the puppy?
- Can you tell me about the temperament of each puppy?
What to look for in the puppies
Observe the whole litter, not only one puppy. Healthy puppies are alert, active, and curious, with bright eyes, clean ears, a clean coat, and a plump but not bloated belly. They should move easily, without limping, and be interested in people. Watch how they interact with each other and with you.
Do not choose a puppy because you feel sorry for the shy one in the corner, or because one bounds up and jumps on you. Extremely shy or fearful puppies may need experienced handling. Very pushy ones may be a handful. For most families, a puppy somewhere in the middle, who is curious, comes to people, and recovers quickly from surprises, is a good choice.
Temperament tests: use with caution
Some breeders use simple tests, such as how a puppy reacts to being picked up, to a sudden noise, or to being rolled on their back. These can offer clues, but they are not a guarantee of adult behavior. Puppies change as they grow, and experiences shape them. Use the tests as one piece of information, together with the breeder's knowledge of each puppy.
The breeder spends the most time with the puppies, and can usually say which is more confident, which is more independent, and which is more affectionate. Describe your household, your experience, and what you want from a dog, and trust their guidance.
Note: Avoid choosing based on color or looks alone. Temperament and health matter far more over the long term.
Health checks and paperwork
Before you take a puppy home, make sure you have documents showing the puppy's age, vaccinations, deworming, and any microchip details. Ask for the parents' health test results, and a written contract. Arrange a veterinary check within a few days, and check whether the contract includes a period for returning the puppy if problems are found.
Do not take a puppy younger than about eight weeks, since puppies need time with their mother and littermates to learn social skills. Leaving too early can lead to behavior problems later.
Be ready to wait, and to say no
Good breeders often have waiting lists, and you may need to wait for the right litter. That is a good sign. If a breeder pressures you to decide, or something feels wrong, walk away. It is better to wait than to take home a puppy from a poor source. Trust your instincts, and ask for advice from your vet or an experienced trainer.
Once you have chosen, prepare your home and plan the first weeks. A well-chosen puppy, with a good start, is an excellent foundation for a long and happy life together.
- Research the breed, and make sure it suits your lifestyle.
- Find a responsible breeder or reputable rescue.
- Visit, meet the mother, and ask your questions.
- Observe the litter, and discuss temperament with the breeder.
- Check paperwork, and arrange a vet visit.
- Prepare your home before the puppy arrives.
FAQ
Common follow-ups.
Should I pick the biggest puppy?+
Not necessarily. Size does not predict temperament or health. Look at overall health and behavior.
Is it okay to choose the shy puppy?+
Only if you can offer experienced, patient handling. Many families do better with a middle-of-the-road puppy.
When can I bring a puppy home?+
Usually at eight weeks or older, depending on breed and breeder guidance.
What are red flags in a breeder?+
No visits, no health tests, many breeds for sale, pressure to buy, or refusal to answer questions.