Yes, they are second on the list, right behind the Labrador Retriever.
Here's one: Yorkshire Terriers are number 49 on Stanley Coren's list of dog intelligence.
multiply by seven
Yes it is a very clever dog
yes, they are a big dog in a little body.
That really depends on your location. Any dog grooming center that is remotely competent should be able to groom Yorkshire Terriers. If there happens to be one specifically for Yorkshire Terriers in your neighbourhood, you'd be quite lucky.
The scientific name for Yorkshire Terrier is Canis lupus familiaris. It falls under the domestic dog category.
they should be but it depends on the temperament of each dog.
Some can be. It best relates on the dog itself.
Yorkshire terriers, poodles, and some poodle mixes
No. Yorkshire terriers are the smallest breed according to the AKC.
Depends on the dog, but Yorkshire Terriers are a vocal breed.
Yes, the Yorkshire Terrier is a small dog, so having a small litter is common.