 The Tranquera Reservoir and Gallocanta Lagoon create marsh land, which are home to mallards, ducks, pochard, coots, teal, herons and cormorants.Frogs, painted frog, newts, lizards, and various kinds of snakes can be found here as well.The most common fish are trout, catfish and nase, and some areas are stocked with carp and rainbow trout.