Hudson's Black-tyrant, male: left wing from ventral, beak from dorsal and foot from lateral
Unknown author<span style="display: none;">Unknown author</span>
1872
<i>Proceedings of the Zoological Society of London</i> (<a rel="nofollow" class="external text" href="https://archive.org/details/proceedingsofgen72zool">vol. 1872</a>, <a rel="nofollow" class="external text" href="https://archive.org/stream/proceedingsofgen72zool#page/542/mode/1up">page 542</a>)