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No fewer than 50 billion birds call planet Earth home, according to an extrapolation by Australian scientists published in the journal Proceedings of the U.S. National Academy of Sciences on Tuesday, May 18, 2021. Migratory birds This means that there are about six times as many birds as humans on the planet. A team led by William Cornwell from the ...
Read More »There are 50bn birds on Earth, say Australian researchers
