Shetland sheepdog
yes they are the most known breed in America
There is really no such thing as the MOST athletic dog breed, but there are certainly some breeds that excel when it comes to speed, agility, and endurance. Many people would agree that the Border Collie is a superb athelete because of its ability to herd and compete in sporting events such as agility (and they usually dominate).
The most athletic cat in the world is the cheetah. This cat has the enviable ability to run at speeds exceeding 60 miles per hour, can stop on a dime, and uses its tail to help it turn tight corners when chasing prey.
The most popular pedigree breed of cat is the Persian, but the Domestic Shorthair (otherwise known as the Moggy or mixed breed) is much more popular.
The Akhal-Teke originated in the Kara kum desert in Turkmenistan. it is the oldest purebred horse in the world, far older than the Arabian and one of the most influential founding breeds in the Thoroughbred.
Jerseys are the breed that produces the most milk fat, they are known to have 5.1% milk fat compared to the Holstein breed that only has 3.7 % milk fat.
The most common breed used for racing is the Greyhound as they are the fastest breed. Greyhounds are known to reach speeds of 72km/h.
Chinese chin dog
most athletic
The bird that is on the record for having lay the most eggs in a recorded year was a Black Australorp.
Yorkshire pigs are a maternal pig breed. They are a white pig with erect ears and a long/lean body. They are most known for their prolificness (ability to produce and care for large litters).
comparative -- more athletic superlative -- most athletic