How long is the worlds smallest shetland pony?

It's difficult to say definitively what the "world's smallest Shetland pony" is, as there isn't a single, official record keeper for such a thing.

However, there have been several Shetland ponies that have gained notoriety for their tiny size. For example:

* Thumbelina: This Shetland pony, who lived in the United States, was listed in the Guinness Book of World Records as the smallest horse in the world. She stood just 17 inches tall at the shoulder and weighed 57 pounds.

* Einstein: This tiny Shetland pony, who lived in the UK, was also exceptionally small, measuring 17 inches tall.

Keep in mind that these are just two examples, and there could be other Shetland ponies out there that are equally small.

It's important to note that:

* Records change: New ponies are born all the time, and some may be even smaller than the ones mentioned above.

* Verification is crucial: It's important to rely on reputable sources like the Guinness Book of World Records or recognized animal organizations for accurate information.

So, while we can't say for sure how long the *world's smallest Shetland pony* is, we know that these amazing little creatures can be incredibly tiny!