Bulgaria is one of the first in Europe in a variety of animal Bulgaria is one of the first in Europe in a variety of animal species. Necessary habitats for the existence of many of species. Necessary habitats for the existence of many of them are located within the three national parks Pirin, them are located within the three national parks Pirin, Rila, the Central Balkan and the existing reserves in the Rila, the Central Balkan and the existing reserves in the country.country.

All endangered, threatened and extinct species living on the territory of Bulgaria are listed in the Red Book. It includes three volumes, the second is about endangered and extinct animals.

409 species of birds have been identified in 409 species of birds have been identified in Bulgaria. Under protection are 327 of them, 100 Bulgaria. Under protection are 327 of them, 100 are included in the Red Book. They are the black are included in the Red Book. They are the black storks, honey buzzards, eagles, corncrakes, storks, honey buzzards, eagles, corncrakes, woodcocks, Stock Doves, white-backed woodcocks, Stock Doves, white-backed woodpeckers, black woodpeckers, lesser spotted woodpeckers, black woodpeckers, lesser spotted eagles, falcons , big hawks, Egyptian Vultures, eagles, falcons , big hawks, Egyptian Vultures, Short-toed Eagles, Saker Falcons, Lesser Short-toed Eagles, Saker Falcons, Lesser Kestrels, ruddy shelduck and other.Kestrels, ruddy shelduck and other.

19 endangered mammals as martens, polecat monk seals, brown bears, otters, wild cats, some species of bats, and more are in the Red Book.

The Red Book describes two amphibians (Alpine Triton and Syrian spade foot) and 13 reptiles. Montpellier snakes, rat snakes, European glass lizards, leopard snakes, Hermann's tortoises and others.

Endangered are also some wild fish like carps, goby Caucasian, Danube lamprey, Burbot, Volga zander and others.