Sealyham Terrier has average risk of obesity, needs daily walks and quality diet to maintain healthy weight.

Parson Russell Terrier has low obesity risk, but needs exercise and food monitoring for optimal health.

While no dogs are truly 100% hypoallergenic, Sealyham Terriers are about as close as it gets, making them an ideal pet if you are an allergy sufferer.

Unfortunately, the Parson Russell Terrier is not hypoallergenic, making it not a good choice for a dog lover who suffers from pet allergies.

Alert
Outright
Tempered
Friendly
Calm
Fearless
Intelligent

Energetic
Eager
Intelligent
Bold
Happy
Obedient

Sealyham Terriers shed very little hair, making them a great choice for those who dislike excess hair in the house.

Parson Russell Terriers are moderate shedders, but regular brushing can reduce shedding and maintain coat health.

Wales

England

corgi, west highland white, wirehaired fox, and bull terriers

Jack Russell Terrier

1800s

1900s

Terrier (AKC:1911 & UKC)

Terrier (AKC:1997 & UKC)

Brown

Brown

Black

Black

White
Pied
Cream
Brown
Blue

Pied
White

Sealyham Terriers have medium-length coats.

Parson Russell Terriers have coats that can be either short or medium in length.

A Sealyham Terrier can have a litter of 14-16 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

A Parson Russell Terrier can have a litter of 13-15 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

Sealyham Terriers are susceptible to health issues like all breeds, so it's important to monitor their health and seek veterinary care when needed.

While the Parson Russell Terrier breed is generally healthy, occasional vet check-ups are still necessary to address any health concerns.

Usually A Very Healthy Breed

Cerebellar Ataxia

Retinal Dysplasia
Lens Luxation

Patellar Luxation
Myasthenia Gravis
Eye Conditions (Cataracts, Lens Luxation)

Eye
Hearing
Eye Examination

BAER Testing
Neurological Examination
X-rays or other radiographic imaging
Eye and Ear Examination

Sealyham Terriers' high energy levels make them unsuitable for a low-key dog, choose accordingly.

Parson Russell Terriers thrive on an active lifestyle due to their high-energy nature.

Sealyham Terrier has below average social needs and is content with spending time alone.

Parson Russell Terrier has average social needs and is less independent than other breeds.

Sealyham Terriers need moderate physical activity and are great for families and active individuals.

Parson Russell Terriers need high physical activity and are ideal for active individuals, but not suitable for sedentary lifestyles or small apartments.

Sealyham Terriers sleep less than other breeds but still need adequate sleep for good health.

Parson Russell Terriers are active and require sufficient sleep to stay healthy.

Sealyham Terrier is an average drooler, monitor for excessive drooling which may indicate health issues.

Parson Russell Terrier has low drooling tendency, suitable for those who dislike drool marks.

Sealyham Terriers bark moderately when necessary and may also bark due to certain triggers like fear, alarm, boredom, greeting, separation anxiety and compulsive barking.

Parson Russell Terrier dogs bark and howl frequently and are not recommended for quiet homes.

Sealyham Terrier dogs have a strong protective nature and territorial instinct. They are highly vigilant and will fiercely defend their home and family.

Parson Russell Terrier dogs are highly protective and make excellent guard dogs due to their strong instinct to defend their territory and owners, and their high level of vigilance.

Sealyham Terriers are medium-energy dogs and typically enjoy socializing and playing casual or even sustained games of chase with other dogs. They may also have occasional periods of barking or racing around the house.

Parson Russell Terriers are high-energy dogs. They need mental as well as physical exercise. These dogs require a lot of your involvement and without it they can, and will, become problematic dogs.

There's really no limit to how far you walk your dog as long as they're comfortable. For Sealyham Terrier, it's at least 6 miles / week. Just remember to build distance and stamina gradually over time.

There's really no limit to how far you walk your dog as long as they're comfortable. For Parson Russell Terrier, it's at least 14 miles / week. Just remember to build distance and stamina gradually over time.

In general most Sealyham Terriers usually need at least 30 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

In general most Parson Russell Terriers usually need at least 75 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

The Sealyham Terrier requires an average amount of grooming compared to other breeds.

The Parson Russell Terrier has low grooming needs and is easy to maintain.

Comb
Deshedder
Scissors
Nail Clipper

Pin Brush
Slicker Brush
Comb
Nail Clipper

For an average 23-24 pound (10 - 11 kg) Sealyham Terrier feed 0.8 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

For an average 13-17 pound (6 - 8 kg) Parson Russell Terrier feed 1 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

The average cost of a Sealyham Terrier is somewhere $1.20 - $1.40 per day.

The average cost of a Parson Russell Terrier is somewhere $1.30 - $1.40 per day.

This breed is sensitive and requires gentle handling and a calm home environment.

Parson Russell Terriers have average emotions and adapt well to different situations.

Sealyham Terriers make excellent apartment dogs, being fairly active indoors and not requiring a yard.

Parson Russell Terriers are good apartment dogs as long as they get enough exercise and stimulation outside of the apartment.

Sealyham Terriers are average in their friendliness toward cats and tend to do well with them, especially if raised together.

Parson Russell Terriers are not cat friendly.

Sealyham Terriers are friendly and active companions, and can be good family pets, though their friendliness towards other dogs may vary.

Parson Russell Terriers are not dog-friendly.

Sealyham Terriers have an average level of playfulness, enjoying playtime like most dogs but not excessively so.

Parson Russell Terriers are very playful, so adopting an older one might be a better option for a more relaxed experience.