The IUCN did acknowledge, however, that the mourning dove's population is decreasing. "The species' population in ... the impact of hunters and invasive human activities will be even more pronounced.

Research published in New Phytologist provides insights into why the invasive plant Japanese knotweed is so successful at ...

However, when a non-native species is introduced to an ecosystem, it has the potential to become invasive: there are no natural predators or other guardrails keeping it from outcompeting the ...