Never heard of them. They are cute though. And I did find some sites about them on google. One site said they are an ancient breed,said to possibly be the ancestors of the Corgi. They are recognized by Sweden as an original species.

Here are some sites I found on them.

Swedish Vallhund Club of America

Swedish Vallhund

Herding On The Web

I found all kinds of pages that came up on google. They are not reconized the AKC.