Carlo von Erlanger (5 September 1872 – 4 September 1904) was a German ornithologist and explorer born in Ingelheim am Rhein. He was a cousin to musicologist Rodolphe d'Erlanger (1872-1932). (See: Erlanger family tree). Erlanger is credited with naming 40 new ornithological taxa, and has several zoological species named after him, such as: * Erlanger's lark, Calandrella erlangeri (Neumann 1906) * Ptychadena erlangeri (Ahl, 1924), an Ethiopian frog * Lamprophis erlangeri (Sternfeld, 1908), an Ethiopian snake * Erlanger’s gazelle, Gazella erlangeri (Neumann, 1906)