Of Europe's 526 bird species, 226 (43%) have unfavourable conservation status. In 2002, 41 percent of all European waterbirds where found decreasing. Mostly due to economic development and climate change. Nowadays, the population of waterbirds is stabilizing in Europe.
Economic development is often the cause of destruction from the habitat of the birds. Another reason is the pollution what causes birds to die. The birds in Europe also are threatened by people who hunt them.
European airborne animal species
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