Aid in preserving specie diversity
One of the many species found in the territory are birds and mainly, those who have adapted to feeding on crop weeds. The most characteristic is the Sardinian partridge that feeds on grains and berries. Another common bird of the area is a typical inhabitant of grasslands and wheat fields, the Quail; which, thanks to its migration trend does not run the same risk of extinction of the Sardinian partridge. Turtle Doves also nest in the surrounding areas of crops and vineyards and may be found in the hills of Trexenta.
Another characteristic species is the hooded crow as well as the bee-eaters coming from Africa in the spring and migrating to the South in August-September. Among the the few birds of prey are buzzards, kestrels, and some lesser kestrel. Finally, in addition to the sparrow and the reversal Sardinian black, also numerous in the towns, there are many other small passerines like the lark, the grille, the lark, the bunting, the linnet, the hoopoe, the Woodchat Shrike, the Stonechat , the occhiotto. Endemic to Sardinia and Corsica is the Sardinian warbler.
Among the reptiles are: geckos, lizards, Sardinian lizards as well as Sardinian snakes, Montpellier snakes and water snakes.
Among mammals, the most common species are: fox, weasels, Sardinian hare although not very abundant and the wild rabbit. Little known to most Sardinians due to the nature of their private life or night-time habits are some animal species which are; however, very familiar to farmers due to the damage they cause among the crops. These are rodents including: the Norwegian rat, the brown rat, house mice, field mice, wild mice, and hedgehogs. Among Insectivores are various Shrews, Dormouse and the Garnen dormouse, which are threatened with extinction due to the degradation of the natural environments. Also present are bats, who are generally considered to be beneficial in the fight against mosquitoes and flies.