Rat Terrier vs Fox Terrier: Key Differences Between Popular Breeds

Patrick MacFarland Patrick MacFarland · Updated February 19, 2025
Two dogs stand on concrete, highlighting breed differences. The brown and white one, resembling a Fox Terrier with its upright ears, contrasts the black and brown companion with floppy ears against a blurred outdoor background.

Rat Terriers and Fox Terriers have different roots. The Rat Terrier comes from America, while the Fox Terrier started in England. Their histories shaped their traits and roles. Let’s take a look at the similarities and differences between these two dog breeds.

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Physical Characteristics

Rat Terriers and Fox Terriers have distinct physical traits that set them apart. Their sizes, coats, and unique features make each breed special. Let’s look at how these terriers differ in appearance.

Size: Height and Weight Comparisons

Rat Terriers are small to medium-sized dogs. They weigh 10-25 pounds and stand 10-18 inches tall at the shoulder. Their build is compact and muscular. Fox Terriers are slightly larger. They weigh 15-20 pounds. Smooth Fox Terriers are 14-16 inches tall. Wire Fox Terriers are a bit shorter at 13-15 inches. You’ll notice Rat Terriers have a sturdier look. Fox Terriers appear more lean and athletic.

Coat Variations and Colors

Rat Terriers have short, smooth coats. They come in many colors:

  • Black and tan
  • Chocolate
  • Blue
  • Tri-color (black, tan, and white)

Fox Terriers have two coat types. Smooth Fox Terriers have short, dense fur. Wire Fox Terriers have a rough, wiry coat.

Fox Terrier colors include:

  • White (main color)
  • Black and tan markings
  • Tan markings
  • Grizzle markings

You might also see Fox Terriers in lemon or apricot shades.

Distinctive Features

  • Rat Terriers have a wedge-shaped head. Their ears can be upright or tipped. Their eyes are round and alert.
  • Fox Terriers have a long, narrow head. Their V-shaped ears fold forward. They have small, dark eyes.
  • You’ll notice Fox Terriers have a more angular face. Rat Terriers look a bit softer.
  • Both breeds have strong, muscular bodies. But Fox Terriers tend to be more square in shape. Rat Terriers are slightly longer than they are tall.
  • Their tails differ too. Rat Terriers often have short tails. Fox Terriers have longer tails that stand upright.

Two popular breeds, a Fox Terrier and a Rat Terrier, are playing energetically on a grassy lawn in a fenced yard.

Personality and Temperament

Rat Terriers and Fox Terriers have distinct personalities that set them apart. Both breeds are intelligent and energetic, but they differ in key ways that can impact their fit with different owners and families.

Behavioral Traits

Rat Terriers are known for their versatility and adaptability. They’re smart, playful, and have a strong prey drive. You’ll find them eager to please but sometimes stubborn. Fox Terriers are lively and alert. They have a bold, confident nature and can be more headstrong than Rat Terriers. Your Fox Terrier will likely be:

  • Curious
  • Fearless
  • Energetic

Both breeds need plenty of exercise and mental stimulation to stay happy. Without it, they may become bored and destructive.

Companionship Qualities

Rat Terriers are loyal and loving companions. They form strong bonds with their families and can be affectionate lap dogs. You’ll find them:

  • Devoted to their owners
  • Good with children when properly socialized
  • Slightly wary of strangers

Fox Terriers are friendly and outgoing. They enjoy being the center of attention and are always ready for play. Your Fox Terrier will likely be:

  • Sociable with people and other dogs
  • Enthusiastic about meeting new friends
  • Highly interactive with their family

Both breeds make excellent companions for active owners who can keep up with their energy levels.

Adaptation to Families and Owners

Rat Terriers adapt well to various living situations. They’re good fits for:

  • Apartments or houses with yards
  • Families with older children
  • First-time dog owners who can provide consistent training

Fox Terriers need more space and activity. They’re better suited for:

  • Homes with secure, fenced yards
  • Experienced dog owners
  • Families without very young children due to their boisterous nature

Both breeds can be territorial and may bark at perceived threats. Early socialization is key to ensure they’re well-behaved around strangers and other pets.

Two dogs, a lively Rat Terrier and a cheerful brown and white companion, dash across the grass near agility poles. With playful expressions on their faces, they enjoy the open space with trees in the background.

Training and Exercise Needs

Rat Terriers and Fox Terriers are smart, energetic breeds that need proper training and exercise. Both require consistent effort to channel their intelligence and energy in positive ways.

Trainability and Learning Ability

  • Rat Terriers are quick learners with a strong desire to please their owners. You’ll find them eager to pick up new commands and tricks. Their intelligence makes training sessions fun and productive.
  • Fox Terriers are also bright, but can be more stubborn. You may need extra patience when training them. Short, engaging sessions work best to keep their attention. Use positive reinforcement like treats and praise to motivate them.
  • Both breeds benefit from early socialization. Expose them to different people, animals, and situations as puppies. This helps prevent behavior issues later on.

Exercise Requirements for Health and Behavior

Rat Terriers and Fox Terriers need plenty of daily exercise. A tired terrier is a well-behaved terrier.

For Rat Terriers, aim for:

  • 30-60 minutes of activity per day
  • Walks, jogs, or fetch games
  • Puzzle toys for mental stimulation

Fox Terriers require:

  • 60-90 minutes of exercise daily
  • More intense activities like running or agility
  • Plenty of playtime to burn energy

Without enough exercise, both breeds may become destructive or hyperactive. Regular activity keeps them healthy and happy.

Obedience and Agility Training

Both Rat Terriers and Fox Terriers excel in obedience and agility training. These activities challenge their minds and bodies.

For obedience:

  • Start with basic commands like sit, stay, and come
  • Use short, fun sessions to keep their interest
  • Be consistent and patient

Agility training is great for:

  • Burning energy
  • Bonding with your dog
  • Improving focus and coordination

You can set up simple obstacles at home or join a local agility club. Both breeds often enjoy and excel at this sport. Remember to keep training positive and rewarding. With the right approach, you’ll have a well-behaved and happy terrier companion.

Health and Care

Rat Terriers and Fox Terriers have distinct health needs and care requirements. Understanding these differences can help you provide the best care for your furry friend.

Common Health Problems

  • Both breeds face some similar health issues. Rat Terriers and Fox Terriers may develop hip dysplasia and patellar luxation. These conditions affect joint health and mobility.
  • Fox Terriers are prone to eye problems. They can suffer from lens luxation, where the lens in the eye becomes dislocated. This requires immediate veterinary attention.
  • Deafness can be an issue in both breeds. Regular hearing checks are important, especially as your dog ages.
  • Rat Terriers may develop allergies. Watch for signs like excessive scratching or skin irritation.
  • Fox Terriers can be at risk for bladder cancer. Regular check-ups can help catch this early.

Grooming Essentials

  • Grooming needs differ between these breeds. Fox Terriers often need more grooming due to their white coats. These coats show dirt easily and require frequent cleaning.
  • Rat Terriers have shorter coats. They need less grooming but still benefit from regular brushing.
  • Both breeds need nail trimming and dental care. Brush their teeth several times a week to prevent dental issues.
  • Check their ears weekly for signs of infection. Clean them gently as needed.
  • Regular grooming sessions are a great time to check for any lumps, bumps, or skin issues.

Diet and Nutrition

  • A balanced diet is crucial for both Rat Terriers and Fox Terriers. Feed them high-quality dog food appropriate for their size and energy level.
  • Watch portion sizes carefully. Both breeds can become overweight if overfed. Obesity can lead to joint problems and other health issues.
  • Rat Terriers may have food allergies. If you notice digestive issues or skin problems, consult your vet about possible diet changes.
  • Fox Terriers often have high energy levels. They may need more calories than Rat Terriers. Adjust their food intake based on their activity level.
  • Always provide fresh, clean water. Consider adding supplements if recommended by your vet.

Two small dogs, including a playful Fox Terrier, are joyfully interacting on a grassy lawn, with a wooden fence and lush bushes framing their energetic antics.

Harmonious Living

Rat Terriers and Fox Terriers can make great pets in many living situations. They each have unique traits that affect how they fit into homes and families. Let’s look at how to help these dogs thrive in different settings.

Adapting to Apartment and House Living

  • Rat Terriers adapt well to apartment living. They’re smaller and need less space. You should still give them daily walks and playtime. Fox Terriers need more room to run. A house with a yard is better for them.
  • Both breeds bark. This can be an issue in apartments. Train them early to be quiet on command. Use positive rewards.
  • Rat Terriers are calmer indoors. Fox Terriers have more energy. Give your Fox Terrier lots of toys and games to stay busy.

Compatibility with Children and Other Pets

  • Rat Terriers are good with kids. They’re playful but gentle. Teach children to be careful with small dogs.
  • Fox Terriers can be rougher. They need more supervision around young kids. Both breeds make great playmates for older children.
  • With other pets, Rat Terriers are usually friendly. Fox Terriers can be more territorial. Introduce them slowly to other dogs.
  • Both may chase cats or small animals. Early training helps. Socialize your terrier as a puppy.

Managing Separation Anxiety and Territorial Behavior

Terriers can get anxious when left alone. Rat Terriers often handle it better. Fox Terriers might bark or chew things.

To prevent problems:

  • Give them exercise before you leave
  • Leave toys to keep them busy
  • Start with short absences and build up

Both breeds can be territorial. They make good watchdogs. Train them to stop barking on command. Rat Terriers are less aggressive. Fox Terriers might be more protective. Socialize both types early with different people and places.