Among the species of birds nesting in the mouth of Neto is the Bee-eater Merops apiaster , representatives of the most colorful Italian avifauna. Visible in spring and summer, this species breeds in the long underground tunnels dug in clay soil and sandy places by the end of which 5 to 7 eggs. At the mouth of
Neto can be observed from April to September and during this period, is visible at the edge of clearings arid placed on electric cables, on top of trees and shrubs and especially in flight hunting for insects (especially wasps ).