It means dedicated to Rolland. Rolland's dive. It is a genus of waterfowl in the family Podicipedidae. They are known as zampullines, dives, somormujos, macás or keñolas. It is found in the southern cone of South America.
Rollandia : Genus of podicipediforme birds of the podicipédid family, native to South America and they are called zampullines or macas.