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
Khosrov Forest State Reserve ("Meles meles"), gray wolf ("Canis lupus"), least weasel ("Mustela nivalis"), European hare ("Lepus europaeus"), wild boar ("Sus scrofa"), bezoar goat ("Capra aegagrus"). Persian leopard ("Panthera pardus ciscaucasica" = "P. p. saxicolor") is registered in the Red Data Book of Armenia as well as in the IUCN Red list. The leopard is known as a careful animal with good vision, hearing and sense of smell. It is more active especially at night and morning hours. The Eurasian lynx is the largest of the four lynx species, ranging in length from 80 to 130 cm and standing 60–75 cm (24–30 in) at