Da zarar an ƙirƙiri manufar Ingilishi tsakanin farin terrier, beagle, da whippet don farauta da sarrafa bera. Baƙi sun ɗauki karnukansu zuwa Amurka a kusan ƙarshen karni, inda suka yi kiwon dawakai masu santsi, masu launin toka, da beagles don ƙirƙirar kare mafi kyawu, abokantaka mai tsananin farauta.
Shugaba Roosevelt ya mallaki karnukan kuma ya sanya musu suna Rat Terriers. Bambancin gajeriyar ƙafafu yana tafiya da sunan "Teddy Roosevelt Terrier".
A ƙasa zaku sami 10 mafi kyawun jarfa na kare Rat Terrier: