Nonresident Alien: What it Means, How it Works

A nonresident alien is a noncitizen who has not passed or is exempt from the green card or substantial presence tests.
AlphaGalileo

Over 40 percent of freshwater megafauna species were introduced outside their native range – almost every second causes both benefits and harm

Over 40 percent of extant large freshwater animals (megafauna), including carp, salmonids, crocodilians, turtles, beavers, and hippopotamuses, have ...