10 Most Common Biters:
This list has some surprises. Allred says that in nature, dogs one through seven can be friendly, but they are intolerant and snap when handled roughly, startled, or pushed around. German Shepherds, Rottweilers, and Pit Bulls are actually much less inclined to bite, but their powerful bites lead to great injuries and are reported more often.


Chow Chow
Shih Tzu
Lhaso Apso
Toy Terrier
Dachshund
Maltese
Cocker Spaniel
German Shepherd
Rottweiler
Pit Bull


10 Most Intelligent Breeds:


Border Collie
Poodle
German Shepherd
Doberman Pinscher
Golden Retriever
Shetland Sheepdog
Labrador Retriever
Papillion
Rottweiller
Australian Cattle Dog