Coturnix coturnix coturnix -> Coturnix coturnix
Tachymarptis melba melba -> Apus melba melba
Porzana parva -> Zapornia parva
Porzana pusilla intermedia -> Zapornia pusilla intermedia
Pluvialis squatarola -> Pluvialis squatarola squatarola
Numenius phaeopus islandicus -> Numenius phaeopus phaeopus
Numenius hudsonicus -> Numenius phaeopus hudsonicus
Limosa lapponica taymyrensis -> Limosa lapponica lapponica
Limosa limosa limosa -> Limosa limosa
Calidris alba alba -> Calidris alba
Calonectris borealis -> Calonectris diomedea borealis
Ciconia ciconia ciconia -> Ciconia ciconia
Ardea purpurea purpurea -> Ardea purpurea
Circaetus gallicus gallicus -> Circaetus gallicus
Haliaeetus albicilla albicilla -> Haliaeetus albicilla
Dendrocopos major anglicus -> Dendrocopos major pinetorum
Coloeus monedula monedula -> Corvus monedula monedula
Saxicola stejnegeri -> Saxicola maurus stejnegeri
Oenanthe melanoleuca -> Oenanthe hispanica melanoleuca
Emberiza calandra calandra -> Emberiza calandra
Setophaga aestiva aestiva -> Setophaga petechia aestiva
Thalasseus acuflavidus -> Thalasseus sandvicensis acuflavidus
Calonectris borealis -> Calonectris diomedea borealis
Anas carolinensis -> Anas crecca carolinensis
Helopsaltes certhiola rubescens -> Locustella certhiola rubescens
Lyrurus tetrix britannicus -> Tetrao tetrix britannicus
Charadrius hiaticula psammodromus -> Charadrius hiaticula hiaticula
Uria aalge hyperborea -> Uria aalge aalge
Coloeus monedula spermologus -> Corvus monedula spermologus
Poecile palustris dresseri -> Poecile palustris palustris
Calcarius lapponicus subcalcaratus -> Calcarius lapponicus lapponicus

Possibly missing a subspecies for since already listed at species level but subspecies added through taxon alignment:
Anas crecca
Calonectris diomedea
Limosa limosa
Oenanthe hispanica
Thalasseus sandvicensis