Exotic species are often a threat to biodiversity, as they change the structure and functioning of natural ecosystems.
For example, they change how seeds are spread.
This can have a big impact as 90% of plants in tropical regions depend on animals to spread their seeds and 60% in non-tropical regions.
They affect ecosystems by
1. Affecting native plant species
2. Affecting mutual dependencies
3. Affecting seed quality
4. Supporting habitat restoration
Learn more about these 4 ways in which exotic species can harm ecosystems through seed dispersal:
https://medium.com/the-environment/4-ways-exotic-species-harm-ecosystems-through-seed-dispersal-6a2a6fed1715

We can prevent this from happening for example by:
- Refraining from bringing seeds when traveling
- Refraining from bringing exotic animals back home as pet



Parrots as exotic species impact see dispersion of native plants (credit: juerginho on Shutterstock)


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Yes! We tend to forget that biodiversity is our first ally for nature restoration and reforestation