Now here are my proposals for passerines
African Dunn’s Lark/Asian Dunn’s Lark (2)
Shore Lark/Atlas Horned Lark (2)/Caucasian Horned Lark (2)/Mongolian Horned Lark (2)/American Horned Lark (2)
British Rock Pipit/Scandinavian Rock Pipit (1)
„Alpine“ Water Pipit/“Oriental“ Water Pipit (3-4)
American Buff-bellied Pipit/Asian Buff-bellied Pipit (3-4)
Blue-headed Wagtail/British Yellow Wagtail(2)/Grey-headed Wagtail(2)/Black-headed Wagtail(3)/Spanish Yellow Wagtail(2)/Ashy-headed Wagtail(3)/Yellow-headed Wagtail(2)/White-headed Wagtail(2)/Eastern Yellow Wagtail(5)/Green-headed Wagtail(5, (2 within Eastern YW))
White Wagtail/Pied Wagtail (2)/Moroccan Wagtail (2)/Masked Wagtail (2)/Amur Wagtail (2)
Common House Martin/Asian House Martin (5)
Western Rufous-tailed Scrub Robin/Eastern Rufous-tailed Scrub Robin (1)
European Robin/Tenerife Robin (2)
„Western“ Black Redstart/“Oriental“ Black Redstart (1)/Eastern Black Redstart (1)
„European“ Common Redstart/“Asian“ Common Redstart (1)
Siberian Stonechat/Caspian Stonechat (4)
Northern Wheatear/Seebohm’s Wheatear (4)
Western Black-eared Wheatear/Eastern Black-eared Wheatear (4)
Mourning Wheatear/Maghreb Wheatear (2)
Asian Scrub Warbler/African Scrub Warbler (1)
Western Subalpine Warbler/Eastern Subalpine Warbler (5)
Lesser Whitethroat/Blyth’s Whitethroat (5)/Central Asian Whitethroat (5)
Common Chiffchaff/Siberian Chiffchaff (5)
Common Goldcrest/Azores Goldcrest (1)
Spotted Flycatcher/Balearic Spotted Flycatcher (4)
Eurasian Pied Flycatcher/Iberian Pied Flycatcher (2)
Eurasian Nuthatch/Siberian Nuthatch (3-4)
Daurian Shrike/Chinese Shrike (5)
Great Grey Shrike/Northern Grey Shrike (3)
Iberian Grey Shrike/Desert Grey Shrike(2)/Levant Grey Shrike(2)/Steppe Grey Shrike (5)
Eurasian Magpie/Maghreb Magpie (2)
Carrion Crow/Oriental Crow (4)
Common Chaffinch/African Chaffinch(2-3)/Canary Chaffinch(3-4)
Tenerife Blue Chaffinch/Gran Canaria Blue Chaffinch (3)
Common Redpoll/Greenland Redpoll (2)
Hoary Redpoll/Arctic Redpoll (2)
Asian Crimson-winged Finch/African Crimson-winged Finch (4)
Other somewhat differing sspp that I didn’t score include
Desert Larks, Dupont Lark, Lesser Short-toed Lark, Crested Lark, Thekla Lark, Olive-backed Pipit, Citrine Wagtail, White-throated Dipper, Eurasian Wren, Common Nightingale, Bluethroat, Ring Ouzel, Redwing, Reed Warbler, Savi’s Warbler, Moustached Warbler, Menetries’s Warbler, Sardinian Warbler, Long-tailed Tit, African Blue Tit, Coal Tit, Marsh Tit, Willow Tit, Eurasian Treecreeper, Eurasian Penduline-Tit, Woodchat Shrike, Eurasian Jay, Spotted Nutcracker, Common Raven, Twite, Cinereous Bunting, Common Reed Bunting
Likely future lumps: Barbary Falcon, Scottish Crossbill
Might be better off either completely split or lumped: Redpolls, Pied Flycatchers
Maffong