Wednesday, June 16

Party noise kills sparrows



The sparrow has become part of the red book of threatened fauna in countries such as England, and in areas such as the Valencian Community, researchers from the universities of Alicante and València show that this decline among the most common urban birds is exponentially contributed by excess noise they cause in spring festivals such as Moors and Christians, the Bonfires O any other celebration in which gunpowder is thrown, mascletaes or firecrackers.

«We have carried out field work in inland towns, close to each other, that celebrate the Moors and Christians festival, but the effects are linked to the impact of noise that alters all the reproductive behavior of these birds, and without a doubt any other type of festivities with this same component, such as bonfires or a wedding in which firecrackers are thrown, affects them the same way ”, certifies the professor of the Department of Ecology of the University of Alicante German Manuel López Iborra.

In the same way, he emphasizes that the negative effect of this thunderous urban noise is not limited to sparrows either. “This bird is our indicator, in which urban species as a whole can be seen reflected”, adds the scientist. Swifts, planes -species of swallows- blackbirds and verdigris that nest in the parks “are sure to be equally affected.”

The specific characteristic of the sparrows is that being so common we continue to see them easily, “but the perception of their abundance is misleading”, Alerts the Alicante researcher. Next to Edgar Bernat-Ponce Y Jose Antonio Gil-Delgado, both from the Cavanilles Institute of Biology and Biodiversity of the University of Valencia, detail that the stress caused by the noise of the parties on the sparrows is of such caliber that “they stop incubating the eggs and feeding the chickens”, and even the latter fall from their nests.

Accustomed to the routine of incubation and feeding, the excessive festive noise “upsets” them greatly. The study was started in 2019, and in 2020, in the midst of the covid pandemic, they have confirmed the results. The sparrow population in the localities where the festivities have been suspended has equaled those of the rest. The reproductive success of the birds during this parenthesis has improved, without gunpowder.

The sparrow has become part of the red book of threatened fauna in countries such as England, and in areas such as the Valencian Community, researchers from the universities of Alicante and València show that it contributes exponentially to this decline among the most common urban birds. the excess noise caused in spring by festivals such as the Moors and Christians, the Bonfires or any other celebration in which gunpowder, mascletaes or firecrackers are thrown.

«We have carried out field work in inland towns, close to each other, that celebrate the Moors and Christians festival, but the effects are linked to the impact of noise that alters all the reproductive behavior of these birds, and without a doubt any other type of festivities with this same component, such as Bonfires or a wedding in which firecrackers are thrown, affects them the same way ”, certifies the professor of the Department of Ecology at the University of Alicante, Germán Manuel López Iborra.

Party noise kills sparrows


In the same way, he emphasizes that the negative effect of this thunderous urban noise is not limited to sparrows either. “This bird is our indicator, in which urban species as a whole can be seen reflected,” adds the scientist. Swifts, planes -species of swallows- blackbirds and verdigris that nest in the parks “are sure to be equally affected.”

The specific characteristic of sparrows is that, being so common, we continue to see them easily, “but the perception of their abundance is misleading,” warns the Alicante researcher. Together with Edgar Bernat-Ponce and José Antonio Gil-Delgado, both from the Cavanilles Institute of Biology and Biodiversity of the University of València, they detail that the stress caused by the noise of the parties on the sparrows is of such caliber that «they stop incubating the eggs and to feed the chicks ”, and even the latter fall out of their nests.

Accustomed to the routine of incubation and feeding, the excessive festive noise “upsets” them greatly. The study was started in 2019, and in 2020, in the midst of the covid pandemic, they have confirmed the results. The sparrow population in the localities where the festivities have been suspended has equaled those of the rest. The reproductive success of the birds during this parenthesis has improved, without gunpowder.


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