Here are some others:
* Exmoor Pony - Known for its hardiness and ability to thrive in harsh conditions.
* Dartmoor Pony - Another rugged and hardy breed, often used for riding and driving.
* Fell Pony - Known for its strength and endurance.
* Welsh Mountain Pony - A versatile breed with a lot of stamina.
It's important to note that even within these breeds, there are variations in size. The smallest ponies can be as small as 8 hands high (32 inches).
Let me know if you have any more questions about these breeds or others!