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Birds, Wildlife and Gardening

World is home to 50bn birds, ‘breakthrough’ citizen science research estimates

<p>University of New South Wales led study suggests six times as many individual birds as humans but that many species are very rare</p><p>There are about 50 billion individual birds in the world, according to new research that uses citizen science observations to try to estimate population numbers for almost 10,000 species.</p><p>The paper, led by scientists at the University of New South Wales, suggests there are about six times as many birds on the planet as humans – but that many individual species are very rare.</p><p> <span>Related: </span><a href="https://www.theguardian.com/environment/2021/apr/30/researchers-find-frogmouth-is-worlds-most-instagrammable-bird">Researchers find frogmouth is world’s most Instagrammable bird</a> </p><p> <span>Related: </span><a href="https://www.theguardian.com/environment/ng-interactive/2021/jan/13/australian-bird-photographer-of-the-year-2020-vote-in-the-peoples-choice-awards">Australian bird photographer of the year 2020: vote in the people’s choice awards</a> </p><p> <span>Related: </span><a href="https://www.theguardian.com/environment/2019/nov/15/black-throated-finch-wins-2019-bird-of-the-year-as-tawny-frogmouth-comes-second">Black-throated finch wins 2019 bird of the year with tawny frogmouth second</a> </p><p>Voting in the 2021 Guardian/Bird Life Australia bird of the year poll begins on 27 September</p> <a href="https://www.theguardian.com/environment/2021/may/18/world-is-home-to-50bn-birds-breakthrough-citizen-science-research-estimates">Continue reading...</a>

University of New South Wales led study suggests six times as many individual birds as humans but that many species are very rare

There are about 50 billion individual birds in the world, according to new research that uses citizen science observations to try to estimate population numbers for almost 10,000 species.

The paper, led by scientists at the University of New South Wales, suggests there are about six times as many birds on the planet as humans – but that many individual species are very rare.

Related: Researchers find frogmouth is world’s most Instagrammable bird

Related: Australian bird photographer of the year 2020: vote in the people’s choice awards

Related: Black-throated finch wins 2019 bird of the year with tawny frogmouth second

Voting in the 2021 Guardian/Bird Life Australia bird of the year poll begins on 27 September

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