The best known maras are Mara Salvatrucha and their rivals Calle 18. In his campaign he promised to tackle crime and the Mara Salvatrucha gang (maras). Maras are hunted by death squads including Sombra Negra. Maras were hunted by death squads including Sombra Negra. Patagonian maras are considered to be a near threatened species. Patagonian maras can run at speeds up to . Maras prefer sandy and low shrub habitat in Valdes Peninsula. Predators of maras, particularly the young, are felids, grisons, foxes, and birds of prey. In 1941 it was part of XVII Corps at Maras. Maras tooth chatter and emit low grunts when threatened. Vlasis Maras (, born March 31, 1983) is a Greek gymnast. Sibunas hear the song from Maras rooms and visit them there. " They claimed the Maras "never really negotiated. She is a cousin of award-winning Greek Australian filmmaker Anthony Maras. Young was hired, but the rift between the Maras lasted for several years.