Original sentence: In the 1980's the largest population of wild crocodiles in Tamil Nadu, South India lived in the Amaravathi Reservoir, and in the Chinnar, Thennar and Pambar rivers that drain into it.Old, mature males can get much larger, at up 4 to 5.5 m (13-18 feet) and can weigh more than 450 kg (1000 lbs).This is in turn derived from "makara", the sanskrit word for crocodile
Edited sentence: In the 1980s the largest population of wild crocodiles in Tamil Nadu, South India lived in the Amaravathi Reservoir, and in the Chinnar, Thennar and Pambar rivers that drain into it.Old, mature males can get much larger, at up 4 to 5.5 m (13-18 feet) and can weigh more than 450 kg (1000 lbs).This is in turn derived from "makara", the Sanskrit word for crocodile