Coccyzus cinereus=Coccycua cinerea
<bdi><a href="https://en.wikipedia.org/wiki/en:John_Gerrard_Keulemans" class="extiw" title="w:en:John Gerrard Keulemans"><span title="Dutch bird artist (1842-1912)">John Gerrard Keulemans</span></a>
</bdi>
1889
<a rel="nofollow" class="external text" href="https://archive.org/stream/argentineornitho02sclarich#page/n68/mode/1up">Sclater, PL. 1889 Argentine Ornithology. Vol 2. R.H.Porter, London.</a>