illegally imported
... that in the 1980s, an estimated 50,000 to 150,000 neotropical parrots were illegally imported annually into the United States?
... that in the 1980s, an estimated 50,000 to 150,000 <a class="mw-redirect" href="./Neotropical_parrots" id="mwAa0" rel="mw:WikiLink" title="Neotropical parrots">neotropical parrots</a> were <b id="mwAa4"><a href="./International_parrot_trade" id="mwAa8" rel="mw:WikiLink" title="International parrot trade">illegally imported</a></b> annually into the United States?