Complex sentence: It is currently under no immediate threat, but has experienced a decrease in population due to habitat changes occurring throughout the Mexican Plateau area, a very highly populated area, which includes the states of Chihuahua, San Luis Potosi, Jalisco, and Mexico.
Split into simpler sentences: It is currently under no immediate threat, but has experienced a decrease in population due to habitat changes occurring throughout the Mexican Plateau area. An area that is very highly populated, which includes the states of Chihuahua, San Luis Potosi, Jalisco, and Mexico.