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Mixed groups of herons feeding in a shallow coastal wetland in Sri Lanka. Photo credits Mr Sudheera Bandara.
August 28, 2020
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Researchers have discovered that waterbirds around the equator are sensitive to global warming and are reacting more quickly than birds from regions with a more moderate climate. This is partly because in the hottest regions they are already at the maximum temperature threshold, so even a small increase is fatal. In less heat-intense regions, the range at which the birds can survive is greater.

Original Article