- Earth harbours 20,000,000,000,000,000 ants – and they weigh more than wild birds and mammals combined The Conversation
- Earth has 20 quadrillion ants, new population study says The Washington Post
- 20 Quadrillion Ants Are Roaming Earth Right Now, Scientists Calculate CNET
- Ants: 20,000,000,000,000,000 of the insects are crawling all over Earth New Scientist
- How many ants live on Earth? Scientists finally have an answer Science
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