Rats and pigeons 'replace iconic species'

The modification of land for farming and building cities is favouring the same species everywhere, according to a new study.

Animals like rats and pigeons are taking over from less common ones, which can survive only in certain habitats, say scientists.

Researchers looked at 20,000 animals and plants in 81 countries.

https://www.bbc.com/news/science-environment-46440396