J brings together a small but interesting group: Japan’s six native dog breeds (Bobtail, Chin, Spitz, Terrier and others), the iconic Jack Russell Terrier, and Sweden’s Jämthund. Here’s the complete guide to mammals beginning with J.
Quick facts about mammals starting with J
- Total entries: 9 mammals whose names start with J.
- Wild mammal species: 0.
- Dog breeds: 7.
- Cat breeds: 1.
- Rabbit breeds: 1.
Dog breeds starting with J
Domestic dog breeds whose names begin with this letter.
Cat breeds starting with J
Domestic cat breeds whose names begin with this letter.
Short-tailed Japanese domestic cat; ancient breed depicted in Japanese art for centuries.
Rabbit breeds starting with J
Domestic rabbit breeds whose names begin with this letter.
Compact woolly-coated rabbit breed; one of the most popular show rabbits in the US.
Frequently asked questions
How many mammals start with the letter J?
Animal Corner covers 9 mammals whose names begin with the letter J, including 0 wild mammal species, 7 dog breeds, 1 cat breeds and 1 rabbit breeds. Use the lists above to browse each category.
What is the most famous mammal that starts with J?
The standout wild mammal name starting with J is the Japanese macaque (not on our list). Among domestic breeds, popular J-starting names include the Jack Russell Terrier and Japanese Spitz.
Are dogs, cats and rabbits considered mammals?
Yes. All dogs, cats and rabbits are mammals, alongside wild species like deer, elephants and whales. Mammals are warm-blooded vertebrates that nurse their young; this includes both wild species and the domesticated breeds derived from them.
What’s the smallest mammal whose name starts with J?
That depends on the letter, but on this page some of the smaller J-starting mammals include rabbit breeds and toy dog breeds. For wild species, see the species guides linked above.
How can I find more mammals on Animal Corner?
Browse the Animal Corner mammals hub at /mammal/ for the complete A-to-Z list, or use our individual breed pages: /dog-breeds/, /cat-breeds/ and /rabbit-breeds/.
Browse more: mammals hub, dog breeds, cat breeds, rabbit breeds.