Complex sentence: The Lake Junin giant frog or Lake Junin frog ("Batrachophrynus macrostomus") is a large and endangered species of frog in the Leptodactylidae family, endemic to altitudes of in the Andes of Junín and Pasco in central Peru.
Split into simpler sentences: The Lake Junin giant frog or Lake Junin frog ("Batrachophrynus macrostomus") is a very large and endangered species of frog in the Leptodactylidae family. It is endemic to altitudes of in the Andes of Junín and Pasco in central Peru.