George, C MJoy, P JAbraham, C CKAU2019-07-302019-07-301981Agricultural Research Journal of Kerala, 19(1), 76-78.http://krishikosh.egranth.ac.in/handle/1/5810117820In a survey conducted during 1978-79, Ftattus norvegicus Berkenhout was found to be widely distributed in Kerala. This rat constructed two types of burrows, one with long system and the other of shorter nature. A comparison of the fatures of these two types are given. This species inhabits farm lands and cause damage to paddy crop upfo the booting stage by cutting the plants at ths base.ennullArticle