Fearless
Affectionate
Lively
Agile
Spirited
Reserved
Active
Lovely
Swift

Dignified
Protective
Alert
Courageous
Intelligent
Affectionate
Patient
Loyal
Tempered
Sweet
Cheerful
Generous
Thoughtful

Choose a Teddy Roosevelt Terrier if you want a top-notch watchdog. This breed takes guarding seriously, and may not require much training, though obedience or guard dog training can improve their skills.

Irish Mastiffs make excellent watchdogs - they're vocal and protective of their territory.

United States

United States

Manchester Terrier, Bull Terrier, Smooth Fox Terrier, Beagle, Whippet, Italian Greyhound, White English Terrier

Mastiff and Irish Wolfhound

1900s

Unknown

Hazel
Brown
Amber

Brown

Blue
Black
Brown

Black

Black
White
Brown
Red
Blue
Pied

Black
Blue
Brindle
Cream
Gray
Red
Silver

Straight

Wiry

A Teddy Roosevelt Terrier can have a litter of 15-16 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.

An Irish Mastiff can have a litter of 3-5 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.

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

The Irish Mastiff breed is generally very healthy, requiring minimal vet visits. Still, it's important to keep an eye on their health and seek veterinary care when needed.

Elbow Dysplasia
Hip Dysplasia
Von Willebrand's Disease
Hypothyroidism

Hip And Elbow Dysplasia
Bloat
Heart Conditions

Progressive Retinal Atrophy (PRA)
Dilated Cardiomyopathy (DCM)

Osteosarcoma
Wobbler's Syndrome
Eye Diseases and Disorders

OFA
CERF
Full Physical Examination
Genetic Testing
Thyroid Testing

Eye Examination
Biopsy
X-ray imaging
Electrocardiogram

Teddy Roosevelt Terriers thrive on an active lifestyle due to their high-energy nature.

Irish Mastiffs are a good choice for a low-key lifestyle due to their low energy levels.

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

Irish Mastiffs require significant physical activity and suit those with an active lifestyle.

Teddy Roosevelt Terriers are active and require sufficient sleep to stay healthy.

Irish Mastiffs are known for their relaxed and calm nature and enjoy long periods of sleep.

Teddy Roosevelt Terrier dogs bark and howl frequently and are not recommended for quiet homes.

Irish Mastiff dogs are generally less vocal than other breeds and only bark when necessary, such as to alert their owner or communicate.

Walking, Licking, Sniffing, Playdate, Cuddles

Playdate, Tracking, Tug-of-war, Fetch, Swim, Run, Walks, Lure coursing, Hikes, Swimming

Teddy Roosevelt 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.

Irish Mastiffs 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.

There's really no limit to how far you walk your dog as long as they're comfortable. For Teddy Roosevelt Terrier, it's at least 12 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 Irish Mastiff, it's at least 8 miles / week. Just remember to build distance and stamina gradually over time.

The Teddy Roosevelt Terrier is a low-maintenance breed that doesn't require much grooming.

The Irish Mastiff requires an average amount of grooming compared to other breeds.

In general Teddy Roosevelt Terrier should be brushed at least once a month. Of course you can give them more frequent brushes, especially if they enjoyed it

Ideally, Irish Mastiff should be brushed at least 2 or 3 times a week (preferably daily) improve shedding.

Slicker Brush
Nail Clipper

Slicker Brush
Comb
Deshedder
Nail Clipper

For an average 10-25 pound (5 - 11 kg) Teddy Roosevelt 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 120-180 pound (54 - 82 kg) Irish Mastiff feed 4 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 Teddy Roosevelt Terrier is somewhere $1.40 - $1.40 per day.

The average cost of an Irish Mastiff is somewhere $3.90 - $4.20 per day.

The average per month expenses of a Teddy Roosevelt Terrier is between $35 - $42. This makes an average of $420 - $504 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

The average per month expenses of an Irish Mastiff is between $112 - $126. This makes an average of $1344 - $1512 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

Teddy Roosevelt Terrier is a very intelligent and trainable breed.

Irish Mastiff has below average obedience intelligence, but they excel in understanding human emotions.

Teddy Roosevelt Terriers are adaptable and resilient, making them ideal for those seeking a less sensitive pet.

Irish Mastiffs have average emotions and adapt well to different situations.

The Teddy Roosevelt Terrier is a great apartment dog, thriving with sufficient exercise and time outside as part of their daily routine.

Irish Mastiffs are good apartment dogs as long as they get enough exercise and stimulation outside of the apartment.

Teddy Roosevelt Terriers are good with kids if socialized and trained from a young age.

Irish Mastiffs make excellent family pets for kids due to their gentle, protective nature and calm temperament.

Teddy Roosevelt Terriers are generally very friendly towards other dogs, with a happy and affectionate temperament.

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

Teddy Roosevelt Terriers are quick to announce strangers and can be standoffish or suspicious.

Irish Mastiffs are averagely friendly around strangers but benefit from early socialisation.

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

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

The Teddy Roosevelt Terrier is highly intelligent and eager to please, making it a great choice for both novice and experienced dog owners due to its easy trainability.

Irish Mastiffs are usually easy to train but require consistency to fully obey commands.