« <i>Larvivora obscura</i> » = <i>Calliope obscura</i> (<a href="https://en.wikipedia.org/wiki/Blackthroat" class="extiw" title="en:Blackthroat">Blackthroat</a>) - male
<bdi><a href="https://en.wikipedia.org/wiki/en:Gustav_M%C3%BCtzel" class="extiw" title="w:en:Gustav Mützel"><span title="German artist (1839-1893)">Gustav Mützel</span></a>
</bdi>
1891
<a rel="nofollow" class="external text" href="https://archive.org/stream/ptitsygansuiskag00bere#page/n203/mode/2up">Ptitsy gansuiskago puteshestviia G. N. Potanina 1884-1887, M. Berezowski &amp; V. Bianchi</a>