Posted by: Sandy Steinman | September 4, 2025

Tropical bird populations reduced by a third since 1980, compared to a world without climate change

Potsdam Institute for Climate Impact Research reported

Bird populations in the tropics have dropped by roughly a third (25-38 percent) since 1980 due to intensifying heat extremes, compared to a world without climate change, with some species having declined in abundance by over 50 percent, according to new study published today in Nature Ecology and Evolution with contributions from the Potsdam Institute for Climate Impact Research (PIK), the University of Queensland and Barcelona Supercomputing Center (BSC).

Read on Tropical bird populations reduced by a third since 1980, compared to a world without climate change — Potsdam Institute for Climate Impact Research


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