



I'm Ann W., the breeder behind Warren’s Colorado Mini Aussies located in Berthoud, CO. Aussies are the most fun, loving and energetic dogs ever. The perfect family member, companion, and pet. The most loyal of the loyal. We strive to make sure every owner has the ability to get the very best out of their puppy.

Why did you start breeding?
What makes your program special?
What are the different breed sizes in your program?
What are the different breed coat colors in your program?
Where do your breeding dogs live?

Ann has been certified by Good Dog's screening team for responsible and trusted breeding practices. When you're ready to reach out, feel free to ask any questions about the breed, their program, or specific puppies.
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.

"A deposit of $200 (non-refundable) is required. Once a deposit is received, that individual has the 'pick' of their puppy in the order that the deposits are received. A deposit of $200 (non-refundable) is required. Once a deposit is received, it secures a pick of a pup in a specific litter, in the order I receive the deposits. If they do not find their puppy in that litter, their deposit can be moved to a future litter. Picks are made between 5-6 weeks of age."
Ann 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 Ann 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 Ann directly.
You can drive or fly to pick up your puppy from Ann.
Meet in Berthoud, CO
Meet at Denver Intl
Ann has been a member of Good Dog for about 6 years
Ann was screened for responsible practices and has been a member since 2020.

Warren’s Colorado Mini Aussies meets or exceeds our community standards in these areas:
Miniature Australian Shepherd
About Sherman
Sherman is a male Miniature Australian Shepherd. Carefully selected as a great representative of his breed, Ann decided to make him part of their program. Ann 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.
Miniature Australian Shepherd
About Diamond
Diamond is a female Miniature Australian Shepherd. Carefully selected as a great representative of her breed, Ann decided to make her part of their program. Ann 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.
Miniature Australian Shepherd
About Belle
Belle is a female Miniature Australian Shepherd. Carefully selected as a great representative of her breed, Ann decided to make her part of their program. Ann 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.
Miniature Australian Shepherd
About Copper
Copper is a female Miniature Australian Shepherd. Carefully selected as a great representative of her breed, Ann decided to make her part of their program. Ann 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.
Miniature Australian Shepherd
About Lyric
Lyric is a female Miniature Australian Shepherd. Carefully selected as a great representative of her breed, Ann decided to make her part of their program. Ann 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
Warren’s Colorado Mini Aussies 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 Miniature Australian Shepherds.
Brucellosis
A breeder may perform additional tests on their dogs that do not fall into these general categories. These tests may be more uncommon or very specific to a particular breed.
Progressive Retinal Atrophy (PRA), Generalized, Neuronal Ceroid Lipofuscinosis 6 (NCL 6), Multifocal Retinopathy 1 (CMR1), Multiple Drug Sensitivity (MDR1), Intestinal Cobalamin Malabsorption (IGS), Australian Shepherd Type, Hyperuricosuria (HUU), Hereditary (Juvenile) Cataracts (HC; JC), Australian Shepherd Type, Degenerative Myelopathy (DM; SOD1A), Cone Degeneration, Collie Eye Anomaly (CEA), Animal Genetics Panel, DNA Profile
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).