Thanks Paul. I was idly wondering whether it might make sense to take this approach as the ultimate taxonomic insurance policy, but a quick look at the list suggests it would be a rather substantial undertaking!
Just finished working it out. Not too bad........
A (probably inaccurate) canter through produced the following approximately 70 realistic annual taxa targets in addition to various additional possible rarities (eg Yellow Wagtails, Black-eared Wheatears, Isabelline Shrikes, Siberian Stonechats, even Desert Wheatears?, etc, etc) – the English names adopted are those of the Clevedon Festive Committee of Nomenclature:-
Tundra Bean-Goose – Anser fabalis rossicus (arguably easier than nominate)
Greenland White-fronted Goose – Anser albifrons flavirostris
Lesser Snow Goose – Anser caerulescens caerulescens (most recent ones are atlanticus whereas historically caerulescens predominated?)
Todd’s Canada Goose – Branta canadensis interior
Lesser Canada Goose – Branta canadensis parvipes
Pale-bellied Brent Goose – Branta bernicula hrota
Black Brant – Branta bernicula nigricans
Boreal Eider – Somateria mollissima borealis (is it on the list yet?)
Multi-coloured Ring-necked Pheasant – Phasianus colchicus various!! (are any actually self-sustaining?)
Arctic Ringed Plover – Charadrius hiaticula tundra
Icelandic Black-tailed Godwit – Limosa limosa islandica (arguably easier than nominate)
Icelandic Knot – Calidris canutus islandica
Siberian Dunlin – Calidris alpina alpina (is schinzii the commonest?)
Arctic Dunlin – Calidris alpine arctica (is schinzii the commonest?)
Icelandic Redshank – Tringa tetanus robusta
Faroese Snipe – Gallinago gallinago faaeroeensis
Baltic Razorbill – Alca torda torda
Southern Guillemot – Uria aalge albionis (is aalge the commonest?)
Russian Common Gull - Larus canus heinei (overlooked?)
Continental Lesser Black-backed Gull – Larus fuscus intermedius
Baltic Gull – Larus fuscus fuscus (you couldn’t really call yourself a yearlister unless you were prepared to string a fuscus!)
Northern Herring Gull – Larus argentatus argentatus
Kumlien’s Gull - Larus glaucoides kumlieni
Continental Great Spotted Woodpecker – Dendrocopos major major
Continental Jay – Garrulus glandarius glandarius
Continental Jackdaw – Corvus monedula monedula (and you should be able to string something from further east?)
Continental Blue Tit – Cyanistes caeruleus caeruleus
Continental Great Tit – Parus major major
Continental Coal Tit – Periparus ater ater
Northern Long-tailed Tit – Aegithalos caudatus caudatus
Scanidnavian Chiffchaff – Phylloscopus collybita abietinus (have DNA kit will travel…)
Siberian Chiffchaff – Phylloscopus collybita tristis
Northern Willow Warbler – Phylloscopus trochilus acredula (it was really grey honest guv’nor…)
Siberian Lesser Whitethroat – Sylvia curruca blythi (another one to chase with a pot…..)
Eastern Subalpine Warbler – Sylvia cantillans albistriata (assuming cantillans a little easier?)
Northern Treecreeper – Certhia familiaris familiaris (again it was really grey honest….. to be claimed on a day with nominate Blue, Great & Coal Tits)
Shetland Wren – Troglodytes troglodytes zetlandicus
Hebridean Wren – Troglodytes troglodytes hebridensis
St Kilda Wren – Troglodytes troglodytes hirtensis
Fair Isle Wren – Troglodytes troglodytes fridariensis
Continental Wren – Troglodytes troglodytes troglodytes (another one for a coastal ringing station)
Shetland Starling – Sturnus vulgaris zetlandicus
Celtic Dipper – Cinclus cinclus hibernicus
Black-bellied Dipper – Cinclus cinculs cinclus
Hebridean Song Thrush – Turdus philomelos hebridensis
Continental Song Thrush – Turdus philomelos philomelos
Icelandic Redwing – Turdus iliacus coburni
Continental Robin – Erithacus rubecula rubecula
Red-spotted Bluethroat – Luscinia luscinia cyanecula (again is cyanecula actually easier now than sveccica?)
Continental Stonechat – Saxicola rubicola rubicola (is this on the list yet?)
Greenland Wheatear – Oenanthe oenanthe leucorrhoa
Hebridean Dunnock – Prunella modularis hebridium
Continental Dunnock – Prunella modularis modularis
Blue-headed Wagtail – Montacilla flava flava
Grey-headed Wagtail – Montacilla flava thunbergi (plus vaious other rarities)
White Wagtail – Montacilla alba alba
Hebridean Meadow Pipit – Anthus pratensis whistleri
Scandinavian Rock Pipit – Anthus petrosus littoralis
Continental Chaffinch – Fringa coelebs coelebs
Scottish Linnet – Carduelis cannabina autochtona
Continental Twite – Carduelis flavirostris flavirostris
Greenland Redpoll – Carduelis flammea rostrata
Icelandic Redpoll – Carduelis flammea islandica (is this on the list yet?)
Horneman’s Arctic Redpoll – Carduelis hornemanni hornemanni (is this commoner than exilipes now?)
Continental Bullfinch – Pyrrhula pyrrhula pyrrhula
Snow Bunting – Plectrophenax nivalis nivalis/insulae (a real conundrum)
Lapland Bunting – Calcarius lapponicus lapponicus/subcalcaratus (another real conundrum)
Time to be spent with wader ringing groups as well as east coast ringing groups………….
All the best