Will be interesting to see the SACC discussion on this. 1 genus is the conservative approach, but 4 genus-approach seems to line up nice:
yellow-breasted (Hapalocrex flaviventer)
Previous species taken out of Gallinula was to...
Came across this on twitter:
On the relative importance of ecology and geographic isolation as drivers for differentiation of call types of Red Crossbill (Loxia curvirostra) in the Palearctic
Efforts to understand the process of speciation have been central to the research of biologists since...
From Birds of the World:
Proposed forms kalaoensis (Kalao, S of Sulawesi) and plesseni (Kalaotoa) indistinguishable from virginalis; forms hutzi (S Nusa Penida I, in Lombok Strait) and everetti (Alor) inseparable from concinna.
IOC proposed splits/lumps page:
Elegant Pitta Pitta elegans
Ornate Pitta Pitta concinna
Banda Sea Pitta Pitta vigorsii
Proposed split based on bioacustic and plumage differences. English name tentative. Parent species, P. elegans, retains its original English name. Yue et al. (2020)...
being the important part here.
If I remember correct, we had Stipplethroat Antwren, which was split in x-stipplethroat, y-stipplethroat, ...
This would be an example of a job well done.
Most of the time I'm not very fond of the compound names that are being created.
I do appreciate how hard...