Swiss Study Shows Birds Continue To Suffer For Days After Fireworks

(MENAFN- Swissinfo) Birds flee, find it hard to rest and avoid their roosts for days afterwards, a new study carried out in Basel shows. Select your language

Generated with artificial intelligence. Listening: Swiss study shows birds continue to suffer for days after fireworks This content was published on July 31, 2026 - 13:35 2 minutes Keystone-SDA

Deutsch de Studie zeigt: Vögel leiden noch Tage nach dem Feuerwerk Original Read more: Studie zeigt: Vögel leiden noch Tage nach dem Feue

“After a fireworks display, you often see lots of birds sleeping during the day. With their heads buried in their feathers, they try to catch up on the sleep they've missed,” explained biologist Valentin Moser in an interview with the Keystone-SDA news agency.

For the study, published in the journal Animal Behaviour, the researcher – who was then working at the Swiss Federal Institute for Forest, Snow and Landscape (WSL), studied the behaviour of birds at a roosting site in the Basel border triangle over three winters (2020/2021 to 2022/2023). The focus was on black-headed gulls, but other waterbirds and songbirds were also recorded.

On New Year's Eve nights, the flight time of black-headed gulls increased dramatically around midnight. The birds reacted immediately to nearby fireworks, soaring to great heights and displaying clear signs of stress.

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