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Tropical bird populations witness 25-38 pc decline due to climate change: Study
Updated On: 17 August, 2025 08:09 PM IST | Mumbai | PTI
The study found that tropical birds today face extreme heat on an average of 30 days a year, compared to just three days four decades ago. Overall, they are now exposed to 10 times more extreme heat events than in 1980
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Image for representational purposes only (Photo Courtesy: Pexels)
Bird populations in the tropics have dropped by roughly 25 to 38 per cent since 1980 due to intensifying heat extremes linked to climate change, with some species declining by more than 50 per cent, according to a new study.
The research, published on Monday in the journal `Nature`, involved scientists from the Potsdam Institute for Climate Impact Research (PIK), the University of Queensland and the Barcelona Supercomputing Centre (BSC).
"It`s a staggering decrease. Birds are particularly sensitive to dehydration and heat stress. Extreme heat drives excess mortality, reduced fertility, changing breeding behaviours and reduced offspring survival," said lead author Maximilian Kotz, a guest researcher at PIK and researcher at BSC.
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