More than a billion sparrows in the world, study finds – BBC News
Science News
- More than a billion sparrows in the world, study finds BBC News
- World is home to 50bn birds, ‘breakthrough’ citizen science research estimates The Guardian
- There are 50 billion wild birds on Earth – but four species dominate New Scientist News
- How many birds are there in the world? National Geographic
- Fifty billion birds: scientists say there are six birds for every human on Earth CNET
- View Full Coverage on Google News
Source: Science News