In the U.S. an invasive species is the Burmese python, while a non-invasive species is the honeybee. On the other hand, one main motivation behind poaching is commercial gain.
A species that is non-native or was introduced to an area, and causes major disruptions in the ecosystem.
Poaching has many motivations behind it. However, one of the most important is economic gain; this is because hunting rare or exotic species helps the hunter to obtain a lot of money, which just motivates the hunter to keep hunting or look for rare species.
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