sentences:  Despite logistical challenges and strenuous days of sea travel, the shipments of African animals had a high survival rate.While some of the imported animals travelled further to other zoos across Europe, most remained in Dvůr Králové, forming some of the largest breeding herds of antelopes, zebras, giraffes, buffalos and rhinos outside of Africa.The rhinos eventually became the Zoo's flagship species, and included the Northern White Rhinoceros, a subspecies of the White Rhino which, unlike the now abundant Southern White Rhinoceros, has been exterminated in the wild.