Description
Erythrocercus maccalli = Erythrocercus mccallii Chestnut-capped Flycatcher (above); and Erythrocercus livingstonii = Erythrocercus livingstonei Livingstone's Flycatcher ((below)
Date 1879
Source Catalogue of the Birds in the British Museum. Volume 4
Author John Gerrard Keulemans (1842–1912) https://en.wikipedia.org/wiki/John_Gerrard_Keulemans
Source: https://commons.wikimedia.org/wiki/File:ErythrocercusKeulemans.jpg

The chestnut-capped flycatcher (Erythrocercus mccallii) is a species of bird in the family Erythrocercidae.

The Livingstone's flycatcher (Erythrocercus livingstonei) is a species of bird in the family Erythrocercidae.