South American tapir
The Ireng River region is home to such reptile species as the Antilles leaf-toed gecko ("Hemidactylus palaichthus") and rainbow whiptail ("Cnemidophorus lemniscatus"); amphibians such as the sapo dorado ("Bufo guttatus") and "Leptodactylus bolivianus"; birds including the Muscovy duck ("Cairina moschata"), black vulture ("Coragyps atratus"), crested caracara ("Caracara plancus"), double-striped thick-knee ("Burhinus bistriatus") and numerous others; mammals include the South American tapir ("Tapirus terrestris"), jaguar ("Panthera onca") and the red-rumped agouti ("Dasyprocta leporina").