My vote is for the Chihuahua... altho if they keep breeding down the Maltese it could be causing some competition.. Maltese in competition size range from 3 lbs to 6 lbs.. not too far off the Chihuahua.
http://answers.yahoo.com/question/index?qid=20070227003...
Forget toy poodles and miniature schnauzers - Scooter, the Maltese pup, can sit quite comfortably in a tea cup. And his owner, Cheryl McKnight, believes that qualifies the white bundle of fur as the smallest dog in the world.... powered by
http://www.newstin.co.uk/rel/uk/en-010-016211650
Much of the Chihuahua's history is speculation and theory, although everyone agrees on some matters. The Chihuahua is named for the Mexican State that borders Texas, Arizona, and New Mexico. It is believed that the breed descended from the ...
http://www.shelbysworld.net/custom.html
It is speculated that the Chihuahua's history dates back to the ancient Toltecs (the people that conquered the Mayans) and their little Techichi. As of present date, no records of the Techichi are available prior to the 9th century, but it ...
http://www.danealkennon.com/webpages/chipages/history.h...
I have a chihuahua and going to the park is a nightmare he wants to fight all dogs no matter what size or breed he wants to have a go.
http://uk.toluna.com/opinions/292502/Do-have-small-that...
I wonder sometimes if anyone knows what is the smallest dog. The smallest dog is generally a toy chihuahua. They are very tiny and dainty. Look here for more information: what is the smallest dog
http://answers.ask.com/Science/Nature/what_is_the_small...
The Chihuahua is the smallest dog breed in the world
http://searchwarp.com/swa225848.htm