Science
How 600,000 citizen scientists helped calculate that Earth is home to 50 billion birds – ABC News
New research aimed to help conservation efforts estimates there are six wild birds per human being on the planet but climate change, urbanisation, and agriculture…
Data collected by 600,000 citizen scientists around the world has been used to calculate how many birds and bird species there are on Earth.
Key points:
- There is an estimated 9,700 different wild bird species in the world but only a few species have a population of more than a billion
- Wild birds are threatened by climate change, urbanisation and agriculture
- There are about six birds per every human being in the world
The new study, which aims to help conservation efforts, estimates there are 50 billion…
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