« <i>Graucalus leucopygius</i> » = <i>Coracina leucopygia</i> (<a href="https://en.wikipedia.org/wiki/White-rumped_Cuckooshrike" class="extiw" title="en:White-rumped Cuckooshrike">White-rumped Cuckooshrike</a>) - adult and juvenile
<bdi><a href="https://en.wikipedia.org/wiki/en:Adolf_Bernhard_Meyer" class="extiw" title="w:en:Adolf Bernhard Meyer"><span title="German zoologist and anthropologist (1840–1911)">Adolf Bernhard Meyer</span></a>
</bdi>
1898
<a rel="nofollow" class="external text" href="https://archive.org/stream/birdsofcelebesne02meye#page/n585/mode/2up">The birds of Celebes and the neighbouring islands</a>