Nature Park of Alvão the moist lands along the riverfront. The Olo River is rich in trout and is populated by the Eurasian otter ("Lutra lutra"). Throughout the region, bird populations are diverse and include nesting pairs of Golden eagles. Mammal populations are marked by the presence of Wild boar ("Sus scrofa"), Roe deer ("Capreolus capreolus"), European badger ("Meles meles"), Granada hare ("Lepus granatensis") and European rabbit ("Oryctolagus cuniculus"). Among reptiles in the area are the Iberian emerald lizard ("Lacerta schreiberi") and the Latastei viper ("Vipera latastei"). No less important to the region is the traditional architecture of the nature park region, especially in
River Meles River Meles The river Meles () (more appropriately described as "Meles Brook") is a stream charged with history and famous in literature, especially by virtue of being associated in a common and consistent tradition with Homer's birth and works, and which flowed by the ancient city of Smyrna, and a namesake of which flows through the present-day metropolitan center of İzmir. The exact location of the Homeric Meles and whether or not that stream corresponds to the one (actually the ones, since different sources, even at official level, have adopted different streams under that name) called Meles today continues to