Mustang horses are sometimes considered an invasive species, but are they is the question I'll answer. Mustang horses actually aren't, they actually serve as a replacement for the extinct 5 species of North American horses which went extinct after the arrival of man. Also, they are by some scientist considered native in the sense that the breed evolved here. Though I do agree they should be removed , but not removed from the wild. I think they should be introduced to national parks, like Yellowstone. Where they'll have more grazing land and legitimate predators like wolves and grizzly bears to control their population. I'd would like to here what you think about this subject?
