Some breeds that are at very low numbers in the USA: http://www.albc-usa.org/cpl/wtchlist.html#horses
A link to the Colonial Spanish Horses: http://www.albc-usa.org/cpl/colonialspanish.html The Bankers (name derived from the NC "Outer Banks"), the Florida Crackers, the Marsh Tackies, Choctaw, Pryor and the Sulfurs are a few of the distinct breeds that fall under the general umbrella of Colonial Spanish Horses. Karen Thomas, NC