Two foals of the rare Przewalski breed have been born at Prague zoo in the last week, a spokesperson said on Thursday. A colt was born on Saturday and a filly on Wednesday. The births bring to over 220 the number of Przewalski foals born in Prague. In the last three years a dozen of the horses have been introduced to the wild in their country of origin, Mongolia. Another transport of Przewalski horses from Prague is planned for this year.