Big Yorkie: The Oversized Yorkshire Terrier Explained (Breed Guide)

What Is a Big Yorkie? Understanding Oversized Yorkshire Terriers

If you've been searching for a "big Yorkie," you're not alone — it's one of the most common queries among prospective Yorkshire Terrier owners. But here's the thing: a big Yorkie isn't a separate breed, a designer cross, or an officially recognized variety. It's simply a Yorkshire Terrier that exceeds the American Kennel Club breed standard, which caps the Yorkshire Terrier at 7 pounds (3.2 kg).

In practice, "big Yorkies" typically weigh between 8 and 15 pounds (3.6–6.8 kg), with some outliers reaching 18 pounds (8.2 kg) or more. These dogs are still 100% Yorkshire Terrier — same lineage, same temperament profile, same wiry coat — just carrying more mass than the show ring allows.

Why do some Yorkies grow beyond the standard? The reasons are varied:

• Genetic throwbacks: Early Yorkshire Terriers were working-class ratters in northern England's textile mills and coal mines during the mid-1800s, and many weighed 12–15 pounds. Modern oversized Yorkies may express ancestral size genes that never fully disappeared from the gene pool.
• Breeding practices: Responsible breeders sometimes produce oversized puppies even from standard-sized parents. Two 5-pound Yorkies can produce a 10-pound adult if both carry larger-frame genetics.
• Cross-generation mixing: Some dogs sold as "big Yorkies" are actually Yorkshire Terrier mixes (commonly crossed with Silky Terriers, Biewer Terriers, or small Spaniels) — always request DNA verification through Embark or Wisdom Panel if provenance matters to you.

Origin & History: From Mill Ratter to Lap Companion

The Yorkshire Terrier's story begins in the 1850s–1860s in Yorkshire and Lancashire, England. Scottish weavers migrating south for work brought their rough-coated terriers — including the now-extinct Paisley Terrier and Clydesdale Terrier — and crossed them with local terrier stock. The result was a compact, fearless dog bred to hunt rats in textile mills and coal mines.

These early Yorkies were substantially larger than today's show dogs, commonly weighing 12–15 pounds. The breed was first shown in England in 1861 and recognized by the AKC in 1885. Over the following century, selective breeding progressively reduced their size to meet the 7-pound standard. However, the genetic blueprint for a larger frame never fully disappeared.

Modern big Yorkies are essentially echoes of the breed's original working-dog proportions. They're not "defective" or "impure" — they're simply expressing genes that have been present since the breed's founding. That said, no reputable preservation breeder intentionally selects for oversized frames, as doing so would move away from the established breed standard.

Physical Characteristics: What a Big Yorkie Looks Like

A big Yorkie looks like a standard Yorkshire Terrier scaled up — the proportions remain the same, just with more substance. Expect the following physical traits:

• Weight: 8–15 lb (3.6–6.8 kg) for most oversized Yorkies. Dogs above 15 lb may have mixed ancestry or an underlying metabolic issue — consult your veterinarian if a purebred Yorkie exceeds this range significantly.
• Height: 8–11 inches (20–28 cm) at the withers. Standard Yorkies average 7–8 inches.
• Build: Compact, well-proportioned body with a level topline. Larger Yorkies often have slightly sturdier bone structure, which can actually reduce the fracture risk common in ultra-tiny toy dogs.
• Head: Small, flat skull with a medium-length muzzle. Dark, alert eyes and small V-shaped ears that stand erect when cropped per breed standard (natural ears may fold).
• Coat: The iconic Yorkshire Terrier coat — fine, silky, straight, and floor-length when maintained. Color pattern is steel blue (dark gray-blue) on the body with rich tan/gold on the head, chest, and legs. Puppies are born black and tan and gradually develop adult coloring over 1–3 years.
• Tail: Traditionally docked to medium length in the US (AKC standard), though undocked tails are increasingly common and required in many European countries.

One practical advantage of a big Yorkie: their slightly larger frame makes them easier to handle for grooming, veterinary exams, and harness fitting. Collar and harness sizes for an 8–12 lb Yorkie typically fall in the "extra-small" to "small" range, which is easier to source than the specialized micro-sizes needed for 4-pound dogs.

Temperament & Personality: Big Yorkie Behavior Traits

Size doesn't change a Yorkie's fundamental personality. Big Yorkies share the same bold, spirited temperament as their smaller counterparts. Here are the five core traits you can expect:

1. Confident and Bold
Yorkies carry themselves with a terrier's self-assurance that borders on arrogance. A big Yorkie will strut into a room as though they own it, and they won't back down from dogs ten times their size. This confidence makes them entertaining companions but requires consistent boundary-setting — a 12-pound dog that thinks it's a Rottweiler needs an owner who can manage that energy with positive reinforcement training.

2. Deeply Attached to Their Person
Yorkies are notorious velcro dogs. A big Yorkie will follow you from room to room, insist on sleeping under your covers, and greet you at the door with full-body wiggles every time you return — even if you only stepped out to grab the mail. This attachment can tip into separation anxiety if the dog isn't taught independent coping skills from puppyhood.

3. Alert and Vocal
"Yappy" is an unfair generalization, but Yorkies are genuinely alert dogs who will announce visitors, delivery drivers, and suspicious leaflets with enthusiasm. A big Yorkie's bark carries more volume than a 4-pound Yorkie's, which is worth considering in apartment settings. Teaching a reliable "quiet" cue using treat-based counter-conditioning is one of the first training priorities for this breed.

4. Playful but Not Hyper
Big Yorkies enjoy play sessions — chasing flirt poles, tug games, and puzzle toys — but they're not high-drive endurance dogs. Expect 2–3 play bursts per day of 10–15 minutes each, interspersed with long stretches of napping on whatever cushion they've claimed as theirs.

5. Stubbornly Intelligent
Yorkies are smart enough to learn complex behaviors but independent enough to question why they should bother. A big Yorkie will absolutely learn to open doors, figure out puzzle feeders, and memorize your routine. Channeling that intelligence into structured training sessions (5–10 minutes, high-value treats like freeze-dried liver) keeps them engaged without triggering their terrier stubbornness.

Exercise & Activity Requirements

Big Yorkies need more activity than their tiny counterparts can manage, but they're still not athletes. Here's a realistic daily exercise framework:

Total daily activity target: 45–75 minutes, split across multiple sessions. Big Yorkies don't do well with one long exhausting outing — they prefer distributed activity with rest periods between.

Important exercise caveats:

• Avoid forced running or jogging — Yorkies are not built for sustained high-impact cardio. Their compact frame and short legs make them susceptible to overheating.
• In temperatures above 85°F (29°C), limit outdoor activity to early morning or evening. Yorkies with full-length coats are particularly heat-sensitive.
• Big Yorkies can enjoy introductory agility (low jumps, tunnels, weave poles at ground level), which satisfies their terrier drive and provides mental stimulation.

Common Health Issues in Big Yorkies

One of the most common questions from prospective owners is: What health problems is this breed prone to? Big Yorkies share the Yorkshire Terrier breed's general health profile, but their larger frame actually confers some advantages — and a few specific risks.

Always consult your veterinarian for breed-appropriate health screening. The following conditions are documented in Yorkshire Terriers with known prevalence data:

Recommended health screenings for big Yorkies (per the Orthopedic Foundation for Animals):

• Patella evaluation (annual after maturity)
• Cardiac exam (annually after age 5)
• Ophthalmologist evaluation (baseline at 1 year)
• Liver bile acids test if PSS is suspected (poor growth, seizures, stunted development)

Grooming, Training & Care Schedule

The Yorkshire Terrier coat is hair, not fur — it grows continuously and sheds minimally, which makes big Yorkies a popular choice for allergy-sensitive households. However, that luxurious coat demands serious maintenance.

Training Approach: Big Yorkies respond best to short, positive reinforcement sessions — 5 to 10 minutes maximum, 2–3 times daily. Use high-value treats (small pieces of boiled chicken, freeze-dried liver, or commercial training treats under 3 calories each). Yorkies are food-motivated but can be stubborn, so keep sessions playful and end on a success.

Critical training priorities for big Yorkies:

• Housetraining: Yorkies are notoriously difficult to housetrain. Use a consistent schedule (outside every 2 hours for puppies, immediately after meals and naps), and expect 4–6 months for reliable habits. Indoor grass pads can help during extreme weather.
• Quiet cue: Teach "quiet" by marking calm silence with a clicker and treat — do NOT yell at a barking Yorkie, as they interpret your raised voice as joining the alarm.
• Handling exercises: Practice paw handling, ear touching, and mouth opening daily from puppyhood to make grooming and veterinary visits less stressful.
• Socialization: Expose your big Yorkie to diverse people, surfaces, sounds, and other dogs between 8–16 weeks. A well-socialized Yorkie is confident without being reactive.

Family Suitability & Living Situation Assessment

With Children: Big Yorkies are better suited to families with children ages 8 and up who understand gentle handling. A 10-pound Yorkie can tolerate petting and calm play, but a toddler's unpredictable movements and squeezing can injure the dog — and a frightened Yorkie will nip in self-defense. Always supervise interactions and teach children to respect the dog's crate and sleep space.

With Other Pets: Yorkies generally coexist well with other dogs when properly socialized, though they may try to boss around dogs much larger than themselves. Cat introductions require patience — the Yorkie's terrier prey drive may trigger chasing behavior. Small pets (hamsters, birds, rabbits) should never be left unsupervised with a Yorkie.

Apartment Living: Big Yorkies adapt well to apartment life provided they receive their daily walks and mental stimulation. The primary concern is barking — invest in training the "quiet" cue early and consider white noise machines to reduce trigger sounds from hallways and neighbors.

Cost of Ownership: Buying and Maintaining a Big Yorkie

How much does a big Yorkie cost? Pricing varies significantly depending on source, location, and lineage:

Annual Care Cost Breakdown:

First-year costs will be higher due to initial veterinary setup (spay/neuter, microchip, puppy vaccine series), equipment purchases (crate, harness, grooming tools), and potentially training classes. Budget $3,500–$6,000 for the first year, then $2,000–$4,200 annually thereafter.

Frequently Asked Questions About Big Yorkies

Is a big Yorkie right for first-time dog owners?

Yes, with caveats. Big Yorkies are manageable for first-time owners who are prepared for the grooming commitment and housetraining challenges. Their small size makes them physically easy to handle, and they don't require the intense exercise that larger working breeds demand. However, first-time owners should budget for at least one group puppy class and consider professional grooming rather than attempting full coat maintenance at home initially.

How big does a big Yorkie get as an adult?

Most big Yorkies reach 8–15 pounds (3.6–6.8 kg) and 8–11 inches (20–28 cm) at the shoulder. Growth typically slows significantly after 8 months, with full adult size reached by 12–15 months. If your Yorkie exceeds 15 pounds, discuss body condition scoring with your veterinarian to confirm the weight is structural rather than excess fat.

How much exercise does a big Yorkie need daily?

Plan for 45–75 minutes of total daily activity, split into 2 leash walks of 20–30 minutes each plus 2–3 indoor play sessions of 10–15 minutes. Add daily mental enrichment (puzzle feeders, training drills) for a well-balanced routine.

Is a big Yorkie good with children and other pets?

Big Yorkies do well with respectful children ages 8+ and can coexist with other dogs when socialized early. Their terrier instincts make them unreliable around small pets like hamsters or birds. Always supervise interactions between Yorkies and young children or unfamiliar animals.

What health problems are big Yorkies prone to?

The primary concerns are patellar luxation (~15–20% prevalence), dental disease (~60–80% by age 3), tracheal collapse (less common in larger-frame Yorkies), and portosystemic shunt (congenital, ~2–5%). Regular veterinary screening and maintaining a lean body condition score significantly reduce risk for most of these conditions.

How much does it cost to buy and maintain a big Yorkie?

Purchase prices range from $200 at a rescue to $3,500 from a health-testing AKC breeder. Annual care costs run $1,950–$4,240, with grooming being the single largest recurring expense. First-year total investment typically falls between $3,500 and $6,000.

This article provides educational information and does not replace professional veterinary advice. Always consult your veterinarian for health decisions specific to your dog. If you suspect your dog has ingested a toxic substance, contact the ASPCA Animal Poison Control Center at (888) 426-4435 (24/7, consultation fee applies).