This list includes 24 Pets and domestic animals that start with B, from “Ball python” to “Burmese python”. It covers companion mammals, cage and aviary birds, popular reptiles, small livestock and commonly kept aquarium species. Many entries are kept for companionship, hobby breeding, exhibition, or small-scale husbandry.
Pets and domestic animals that start with B are animals commonly kept by people for companionship, work, or food whose common names begin with the letter B. A notable example is the “Ball python,” a widely kept reptile prized for its calm temperament and varied color morphs.
Below you’ll find the table with Common name, Scientific name, Average adult size (cm), and Classification.
Common name: The everyday name lets you recognize and compare animals quickly, and helps you find more information.
Scientific name: The Latin name gives precise species identification so you avoid confusion between similar common names.
Average adult size (cm): Typical adult size helps you judge housing, handling, and space needs at a glance.
Classification: Broad group (Mammal, Bird, Reptile, Fish, Arthropod) lets you sort animals by biology and likely care requirements.
Pets and domestic animals that start with B
| Name | Scientific name | Typical adult size (cm) | Classification | Description |
|---|---|---|---|---|
| Beagle | Canis lupus | 38 | Mammal | Friendly scent-hound dog breed, popular family pet; energetic, curious, and good with children and other dogs. |
| Bulldog | Canis lupus | 35 | Mammal | Stout, short-faced companion breed known for calm, affectionate nature; needs moderate exercise and careful heat management. |
| Boxer | Canis lupus | 55 | Mammal | Playful, loyal working dog breed; energetic and protective, often kept as family companion and guard dog. |
| Basset hound | Canis lupus | 35 | Mammal | Low-slung scent hound with long ears, gentle and stubborn; excellent family pet that loves scent-driven walks. |
| Bichon frise | Canis lupus | 28 | Mammal | Small, fluffy companion dog with a cheerful disposition; often considered hypoallergenic and thrives on human attention. |
| Bengal | Felis catus | 60 | Mammal | Domestic cat breed with a wild-spotted appearance; active, playful, and enjoys climbing and interactive toys. |
| British shorthair | Felis catus | 45 | Mammal | Stocky, calm cat breed known for plush coat and easygoing, affectionate but independent temperament. |
| Burmese | Felis catus | 40 | Mammal | Social, people-oriented cat; medium-sized with a sleek coat and playful, clingy personality. |
| Belgian hare | Oryctolagus cuniculus | 55 | Mammal | Domestic rabbit breed bred to resemble a wild hare; active, lean, and needs space to run and play. |
| Blue heeler | Canis lupus | 48 | Mammal | Also called Australian Cattle Dog; highly intelligent, energetic herding breed that needs work and vigorous exercise. |
| Budgerigar | Melopsittacus undulatus | 18 | Bird | Small parakeet commonly called budgie; social, vocal, and one of the world’s most popular companion birds. |
| Betta | Betta splendens | 6 | Fish | Colorful labyrinth fish kept singly in tanks; hardy and interactive, males are territorial and should be housed separately. |
| Bearded dragon | Pogona vitticeps | 45 | Reptile | Friendly, docile reptile popular as a pet; omnivorous, enjoys handling and requires UV light and a basking area. |
| Ball python | Python regius | 90–120 | Reptile | Calm, manageable pet snake often recommended for beginners; moderate size and generally gentle temperament. |
| Boa constrictor | Boa constrictor | 200–300 | Reptile | Large constrictor kept by experienced hobbyists; strong and solitary, needs secure housing and experienced care. |
| Burmese python | Python bivittatus | 300–400 | Reptile | Very large pet snake suited to experienced owners; can exceed 3 m and requires permits in some regions. |
| Box turtle | Terrapene carolina | 15–25 | Reptile | Terrestrial turtle often kept as a pet; long-lived and needs specific diet, humidity, and habitat care. |
| Brahma | Gallus gallus | 70 | Bird | Large heritage chicken breed known for size and calm nature; kept for meat, eggs, and as easygoing backyard birds. |
| Buff Orpington | Gallus gallus | 45 | Bird | Friendly dual-purpose chicken breed valued for docile temperament and reliable egg laying; good for small farms. |
| Bantam | Gallus gallus | 25–30 | Bird | Small variety of chicken kept as pets, for eggs, or show; hardy and ideal for small yards or beginners. |
| Brown Swiss | Bos taurus | 145 | Mammal | Dairy cattle breed valued for milk production and docile temperament; large, sturdy animals common on farms. |
| Brahman | Bos indicus | 150 | Mammal | Heat-tolerant cattle breed used in tropical livestock systems; notable hump and resilient nature for work and meat. |
| Buffalo | Bubalus bubalis | 250 | Mammal | Domesticated water buffalo used for milk, work, and meat in many regions; large, strong, and social animal. |
| Belgian horse | Equus ferus | 170–180 | Mammal | Heavy draft horse breed used for farm work and showing; calm, powerful, and gentle with handlers. |