They are still small dogs themselves and and are "insecure" and try to fight with other dogs to give themselves confidence and security
Yes jack Russell's are good house dog I've got two and they are very good in the house!
Yes
Coastal Jack Russell Rescue!
The Jack Russell is a smaller version of a Fox terrrier. A Fox terrier is derived from a wolf. I belive they just kept breeding small-legged Fox terriers until they got the Jack Russell terrier.
both are small breed dogs average 6 to 25 lbs
iams
A Jack Russell could conceivably kill an echidna. Domestic dogs are one of the greatest threats to native Australian fauna, and Jack Russells are notorious for their tenacity. Though small, they could possibly get past the echidna's defensive spines.
No, they aren't. Both coat types shed hair. This is not a recommended breed for people who are allergic to dogs. However, some Jack Russell mix breeds, such as Jack Russell/Poodle mixes, are hypoallergenic.
No, Jack Russell breed of dogs are not endangered. As of 2013, there is no chance that the Jack Russell Terrier are in danger of going extinct any time soon.
The Jack Russell Terrier is a fearless dog with a mind of it's own. A Jack Russell will go off on it's own adventures and even pick fights with bigger dogs.
Jack Russell Terriers
No all types of dogs have a different temptation to lick. Jack Russell's lick themselves to look good and tough. You don't need to worry about it. Its normal.