“…South America is not exempt to the biodiversity loss associated to the urbanization process (Pauchard, Aguayo, Peña, & Urrutia, 2006). In the megalopolis of Buenos Aires (Argentina), which is the second largest urban agglomeration of Latin America (UNDP, 2009), the association between urbanization and animal communities were previously studied for rodents and birds (Cavia, Cueto, & Suarez, 2009;Faggi, Krellenberg, Castro, Arriaga, & Endlicher, 2008;Garaffa, Filloy, & Bellocq, 2009). …”