House Mouse-They are small in size very clever, good climbers and live in homes & social environments. Roof Rats- They are large in size, their tail is longer than their head+body length, sexual maturity attended in 8 to 12 weeks. Body weighs up to 150-200gms. Norway Rats- Commonly found in drainage. Their tail is short than their head+body length. They prefer the food containing carbohydrates & proteins. Body weighs up to 400gm. Bandicoot- Very ferocious looking rodent with long face. It does considerable damage to fields & buildings. Adult weight is between 300 to 1000gm.