Move “Fiji” group from Sacred to Collared Kingfishers.
Reassign orosae, amazonicus, nitidior, and hypochondriacus to Gilded Barbet.
Reassign subspecies aeruginosus to Moluccan Cuckoo.
Reassigned ernstmayeri, hades, ramsayi, nigerrima from Black Myzomela (Papuan mainland, Waigeo, Louisiade etc.) to Ebony Myzomela (small Admiralty and St. Matthias islets).
Reassign mandelli, intermedius, and genestieri to Rusty-capped Fulvetta.
Reassign “jaxartica” to Small Whitethroat (where some authorities even synonymize with minula).
Reassign Baja ssps. pontilis and margaritae to California Gnatcatcher.
Reassign Vanuatu ssps. efatensis and serena to Royal Parrotfinch.
Reassign ssp. rubonigra to Chestnut Munia (Tricolored is monotypic).
Reassign andamensis and analis to “Spot-breasted” group (Freckle-breasted Woodpecker) in IOC.
Reassign leucura to “Black-capped” group
Move ssp. sumabensis from to “Eurasian” group to “Australian”
Reassign castilloi from “Rufous-fronted” to group to “Plain”
Reassign alticincta, hondae, tobagensis, fumosa, and orenocensis from “Southern” group to “Northern”. “Southern” is restricted to rufiventris, grisea, and deluzae.
Reassigned stevensi from “Graceful” group to “Elegant”. This poorly known form might even belong to Mimic Honeyeater.
Reassigned nigricauda and quartus from “viridis” group to “Four-colored”.
Reassigned ambiguus, limpopoensis, and mossambicus from “Ethiopian” group to “Tropical”.
Reassigned layardi and spurius from “Common” to “Dark-capped”
Added subspecies kungwensis to “Kakamega” group
Reassigned subspecies vinaceus to “Silver-throated” group
Reassigned subspecies obscura to “Black-throated” group
Reassigned yunnanensis to “Yunnan” group, schaefferi to “David’s” group, and rufescentior to “Huet’s” group. The only remaining taxon in the “Gray-cheeked” group is morrisonia (a Taiwanese endemic).
Reassigned boscaweni from “Mourning” group to “Arabian”.
Reassigned peruviana from “Masked” to “Black-lored” group.
Reassigned aequatorialis from “Black-faced” to “Yellow-tufted” group
Move all Philippine subspecies to “Negros” group: peterseni, benguetensis, diuatae, mindanensis, malindangensis, flavostriatus
Reassign picatus, rufiventer, salvadorii, and alberti from “Asian” to “Pacific” groups
Reassign nigriloris and commixtus from “Cinereous” to “Japanese” group.
Reassign pusilla from to "Pale Crag-Martin" to "Rock" group.
Reassign cinereigula (of s India) from "Sunda" to "Brown-capped" group.
Reassign collaris from "Little" to "Tricolored" group.
Added "chaseni" subspecies, found on Palawan. IOC considers this a full species.