



I'm Tanya O., the breeder behind Big Horn Bernedoodles located in Sheridan, WY. We’re devoted to ensuring there are healthy puppies for others to enjoy and we do so by responsibly growing this incredible breed. We find so much joy in watching our puppies grow and develop their own unique personalities. We can’t wait for you to meet your next loving and loyal companion!

What are the different breed sizes in your program?
Where do your breeding dogs live?

These dogs are already reserved or have gone home.

Boy 2
Male

Girl 1
Female

Boy 1
Male

Dayton
Female

Cowley
Male

Jackson
Male

Kaycee
Female

Cody
Male
Girl 1
Female
Boy 1
Male
Tanya has been certified by Good Dog’s screening team for responsible and trusted breeding practices. When you’re ready, reach out to ask about the puppies or anything else on your mind. You’ll get to know each other through messaging, phone, or video and pay securely, all on Good Dog.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

“Health guarantee, 1st round of vaccinations, microchip, dewormed. All of our puppies are the same price, regardless of color, size and sex.”
Tanya may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Tanya offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don't hesitate to reach out to Tanya directly.
When you pay and communicate on Good Dog, you’re covered by Payment Protection.
You can drive or fly to pick up your puppy from Tanya.
Meet in Sheridan, WY
1558 miles away
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Meet at Sheridan County Airport
1558 miles away
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Meet in Rapid City, SD
1370 miles away
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Tanya has been a member of Good Dog for over 2 years
Tanya was screened for responsible practices and has been a member since 2023.

Big Horn Bernedoodles meets or exceeds our community standards in these areas:

Tanya O.
Cowley is the last puppy available in our litter! Price reduced! He’s ready to go to a new home!


Tanya O.



Tanya O.
5 weeks old!!!






Copper and Kiera's litter

Bernedoodle
About Kiera
Kiera is gentle natured and loves EVERYONE! She was a very easy puppy to train and is happy going for walks or laying on the couch all day.
Bernedoodle
About Maggie
Maggie is a female Bernedoodle. Carefully selected as a great representative of her breed, Tanya decided to make her part of their program. Tanya has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Good level
Big Horn Bernedoodles reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Bernedoodles.
Full Embark Panel
Genetic testing reduces the chance of passing down a wide variety of hereditary diseases of differing prevalence and severity such as Progressive Retinal Atrophy (an eye disease) and Von Willebrand's Disease (a blood disease).