Archaeological evidence shows that the breed has existed in Mexico for more than 3,000 years.

I didn't know such a breed existed.

The breed has existed in Sweden since the 16th century.

Suzan-Lori Parks scholars - and such a breed surely already exists - will find much to ponder.

Though some studies suggest the possible existence of hypoallergenic dog breeds, there is too much variability to conclude that such a breed exists.

Some animal species and breeds once existed on the Isle of Man but are now extinct.

Today, at least seven breeds of dog exist which acknowledge a significant amount of recent wolf-dog hybridization in their creation.

This was the traditional animal of the area but the breed has not existed for many, many decades.

And now, a completely new breed exists.

Also, breeds with altered caudal fin structures such as lyretails exist.