The number of wintering waterbirds is increasing. According to the Bulgarian Society for the Protection of Birds, the 48th mid-winter waterbird census in Bulgaria recorded 97 species with a total of more than 280,000 . The 2023 census recorded 88..
With its 426 species of birds, Bulgaria ranks second in Europe in this indicator, but it is also among the richest countries in biodiversity on the Old Continent. Endangered species such as the Imperial Eagle, theGriffon Vulture and other birds of prey..
The waterfowl population is dependent on the condition of the places where they spend the winter. Many of these places are part of the Natura 2000 protected areas network. According to latest data, there are endangered species in the world..