?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Evans&rft.aufirst=T&rft.au=Evans%2C+T&rft.volume=22&rft.pages=1027-1036&rft.title=Biological+Invasions&rft.atitle=Global+variation+in+the+availability+of+data+on+the+environmental+impacts+of+alien+birds&rft.date=March+2020&rft.genre=article