In territory of the Kivach nature reserve there are 271 species of ground vertebrates, including 47 species of mammals, 216 species of birds, 3 species of reptiles and 5 species amphibious is registered. 25 species of fishes live in lakes anf rivers. There have been revealed 276 species of spiders, 3531 species of insects. 107 species are included in the Red Data Book of Karelia.
More than 60% of animal species live on the woods, middle taiga for the most part: red-backed mice, squirrels, mountain hares, bears, mooses, hazel-grouses, wood-grouses, goldeneyes, chaffinches, willow wrens, brown frogs. There are also representatives of southern wood and forest-steppe zones, as well as tundra and northern taiga. Amond the northern species there should be mentioned three-toed woodpecker, white grouse, in some years wood lemmings were found.
Amond the southern species thereb should be mentioned wild boars, lake seagulls, blackbirds, and wood warblers. Gluttons, roe deers, quails, nighthawks, orioles, nightingales and included in the Red Book of Russia fish hawks, white-tailed eagles, peregrines, and golden eagles are found seldom.