Anthropogenic Noise Pollution (ANP).
Due to noise pollution, city birds are forced to sing more complexly than those living in wild areas…
and essentially includes all the noise that we humans produce with our activities: traffic, industries, aircraft and trucks, crowded cities… It is a phenomenon now well known and whose effects on the natural world have been studied for years at the local level: it is precisely for example that we have discovered that building platforms at sea disturbs the social behaviour of many birds, or that in the excessively noisy areas they end up suffering those marine mammals that make extensive use of underwater communication.
No one, however, had ever bothered so far to study the consequences of noise pollution on a continental scale: this is precisely what a group of researchers from the School of Forestry and Wildlife Sciences in Auburn, Alabama, have analyzed the effects of the PA on 322 species of birds living in the American continent.
The results of the study – conducted by cross-referencing data on the PA provided by the National Park Service and those on birds, collected over years of field observations and contained in the e Bird public database – have mainly demonstrated two things. First of all, that in anthropized areas (ie those areas that have in some way been altered by humans) the noise pollution produced by our activities is double that present in the wild areas, in particular the forests.
Then, and this is perhaps the most interesting result, it was found that the singing of birds that live in close contact with man is much more complex than that of their “country cousins”: this is a consequence of the fact that in an man-made environment it is more difficult to distinguish themselves from background noise and get noticed, and it is therefore necessary to develop more complex expressive methods.
AI Translation from the original : https://www.focus.it/ambiente/animali/molto-rumore-per-titti-l-inquinamento-acustico-e-i-canti-degli-uccelli
FURTHER READING :
https://prezi.com/p/ayatp_d3rtrz/anthropogenic-noise-pollution/
https://www.wakingtimes.com/for-marine-life-human-noise-pollution-brings-death-by-a-thousand-cuts/
https://www.cell.com/trends/parasitology/fulltext/S1471-4922(22)00304-X Anthropogenic noise pollution and wildlife diseases.
https://schlueter.foundation/en/anthropogenic-underwater-noise-international-symposium
https://animalia-life.club/qa/pictures/noise-pollution-animals
https://accobams.org/news-pubblications/outreach-materials/
https://suono.home.blog/2023/07/23/deep-sea-mining-noise-pollution/
https://suono.home.blog/2023/07/17/why-naval-sonar-leads-to-mass-whale-strandings/
UNIVERSE 
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