The tropical regions of our planet are home to a plethora of colorful and unusual bird species, but our vibrant friends may be in danger. A new study has uncovered some of the highest-ever concentrations of mercury found in tropical birds. The source? Gold mining.
read more... https://www.iflscience.com/gold-mining-likely-to-blame-for-toxic-mercury-levels-in-tropical-birds-71566
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