The study was conducted to identify of rodent species and their distribution between the old agricultural and the newly reclaimed lands at The farms of the Faculty of Agriculture, Sohag University during 2018/2019.
The results showed that there are three field rats, Rattus rattus frugivorus, Rattus rattus alexandrinus, Arvicanthus niloticus  a high-density rodents in the old lands to increase vegetation and food preferred in crops to attract rodents on feed and reproduce, While, in the newly cultivated lands found four rodents, three field rats Rattus r. frugivorus, Rattus r. alexandrinus, A. niloticus and one desert rat, Gerbillus gerbillus as low-density may be due to several factors, for example decrease food, the vegetation cover, difficult weather, reproduction decreased, specific competition on feeding. Also, It was also noted that  the agricultural rodents occupied the desert lands for the aforementioned reasons and to change the desert ecosystem.