Historical distribution in Southeast Asia and origin of specimens used for molecular investigations of (A) the Javan rhinoceros (Rhinoceros sondaicus), with the only extant location on Java (1) and last extinct one in Vietnam (2), and (B) Sumatran rhinoceros (Dicerorhinus sumatrensis) with locations: 1 - Riau, Sumatra; 2 - Djambi, Sumatra; 3 - Bengkulu, Sumatra; 4 - Sabah, Borneo. Light shaded area: distribution given by Foose and van Strien (1997); dark shaded area: distribution given by Groves and Leslie (2011).