WWF Oasis Oasi di Macchiagrande The Oasis of Macchiagrande appears to be inserted inside the State Nature Reserve of the Roman Coast. It houses environments of Mediterranean scrub, sandy dunes and a hygrophilous forest among the largest on the coast. Among the birds of prey you can admire the kestrel, the osprey and the buzzard. The common tortoise is the symbol of the Oasis.