Arabian horses are an ancient breed from the desert of the Middle East. They are fairly small horses with a distinctive shape and carriage. Arabians are elegant, gentle and affectionate.
Brumbies are wild, feral horses in Australia. They are descended from escaped or dumped horses. They cause a lot of damage to the native environment. Every so often they are rounded up and captured or culled, and can be trained as show ponies or other domestic uses.
Clydesdales are draft horses from the Clydesdale region of Scotland. They are large, strong, attractive horses that today are used primarily by beer companies to pull carts full of barrels, or pulling wagons at fairs and parades.