An estimated 365million to 968million birds are killed every year in collisions with buildings; 140,000 to 328,000 are killed by wind turbines and thousands by civilian aircraft.[6]
References
↑ Buzzetti; Belmonte-Lopes; Reinert; Silveira; Bornschein (2014). "A new species of Formicivora Swainson, 1824 (Thamnophilidae) from the state of São Paulo, Brazil". Revista Brasileira de Ornitologia. 21 (4): 269–291.
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