Ecology is not inherently biased against non-native species. Ecologists understand the importance of all species, regardless of their origin, in maintaining healthy ecosystems. However, non-native species can become invasive, meaning that they spread rapidly and cause harm to native species and ecosystems. Invasive species contribute to the decline and extinction of native species, alter ecosystems, and cost billions of dollars in economic losses. As a result, ecologists may focus more attention on the negative effects of non-native species than their benefits.
It's important to remember that ecology is based on scientific evidence and does not discriminate against any species based on its origin. Ecologists are objective when it comes to studying and managing species and their impacts on the environment. They prioritize the well-being of ecosystems and the conservation of native species, which can sometimes involve managing or controlling non-native species that are causing harm.