Acanthis flammea/hornemanni

Either dark "exilipes" Hoary Redpoll or pale Common Redpoll(A. flammea flammea). ID features that support "exilipes":
-- Deep bill base
-- Lack of brown in upperparts
-- restricted red poll (patch on forecrown)
-- weak streaking on upper flanks
-- overall pale look
ID features that support "flammea"
-- Extensive rosy on breast
-- bold lower flank streaks
-- Bold dark streaks on several undertail coverts