Besides the richness of flora in this area there is also present very diverse fauna. Prerequisites for the development and preservation of fauna are a great complexity of natural and environmental factors, primarily in alternation and permeation of forest, meadows, pastures, mountain pastures and river ecosystems.

This region is inhabited by a diverse fauna and to date about 300 animal species are protected. According to attraction and richness, the first place belongs to invertebrates, with a large number of endemic species, particularly among insects. Therefore, flowery meadows are the heaven for people wanting to see various species of butterflies. Mammal fauna consists of bear (Ursus arctos), chamois (Rupicapra rupicapra), wolf (Canis lupus), roe deer, hare, wild boar, marten and foxAround 170 species of bird are resident in this area, notable species include black grouse (Tetrao urogallus L.), golden eagle (Aquila chrysaetos), chukar partridge, hawk, krstokljunka and griffon vulture.Fish fauna is mostly represented by salmonidal species that live in streams, rivers and lakes such as trout, grayling, salmon, golden trout, etc.

Woodpeckers - Bird astronauts

Piva, is one of the few in Europe where you can see all 10 kinds of European woodpeckers. Not only that woodpeckers are attractive and charismatic group of birds, both for nature lovers and bird-watchers, but their presence, and especially the presence of mountain and three-toed woodpecker,is a good indicator of preserved habitats, especially forests.

Mountain forests of the Nature Park „Piva“are home to three-toed and great woodpecker and black woodpecker, and while in the beech and oak forests can be found endemically Mountain and Great Spotted Woodpecker. On the other side of the cultural landscape of our village is an ideal habitat for Wryneck, Syrian, big, and readheaded and small woodpeckers.

Searching for insects hiding under the bark of trees, woodpecker with its beak perfectly precise impact speed of more than 15 shots per second, or about 1000 in a minute, even up to 2000 times in a day. The force that strikes the tree is 1,200 times stronger than the force of gravity, which is 250 times more than what the astronauts feel during launch. Wondering how to them from not getting a headache? In addition to strong neck muscles which enable a completely free kick beak, woodpecker has reinforced skull, which is separated from the beak with spongy cartilage. Thus, the impact forces are not transmitted directly to the skull but on the cartilage that absorbs shock better than a system invented by man. This adaptation of the brain to impact with the woodpeckers, explores the need for better protection of people especially in the production of helmets for cyclists, motorcyclists,etc.

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