Appendix IV: Species & Sub-species pairs and groups

Species pairs and groups

Cackling or Canada Geese

Fea’s/Desertas and Fea’s/Desertas/Zino’s Petrels

Barolo or Boyd’s Shearwater

Band-rumped Storm-petrels

White or Black-bellied Storm-petrels


Western or Semipalmated Sandpiper (in winter plumage)

Southern skuas

Daurian or Turkestan Shrike

Sakhalin or Pale-legged Leaf Warbler

Eastern or Western Bonelli’s Warbler

Eastern or Western Orphean Warbler

Booted or Sykes’s Warbler

Siberian or Stejneger’s Stonechat

Empidonax flycatchers


Subspecies pairs and groups

Taiga Bean Goose johanseni/middendorffii

Canada Goose interior/parvipes

Whimbrel rogachevae/variegatus

Bar-tailed Godwit menzbieri/baueri

Dunlin sakhalina/pacifica/arcticola/(hudsonia)

Common Tern minussensis/longipennis

Black Guillemot islandicus/faeroeensis

Peregrine Falcon calidus/tundrius

Crested Tit cristatus/mitratus/abadiei

Shore Lark alpestris/hoyti et al.

Short-toed Lark any identifiable subspecies pair/group

Red-rumped Swallow daurica/japonica

Barn Swallow tytleri/gutturalis et al.

Cetti’s Warbler orientalis/albiventris

Common Whitethroat icterops/rubicola

Subalpine Warbler iberiae/inornata


Moltoni’s Subalpine Warbler or Subalpine Warbler iberiae/inornata

Common Starling poltartaskyi/tauricus et al.

Common Nightingale golzii/africana

Black Redstart phoenicuroides/rufiventris

Yellow Wagtail iberiae/cinereocapilla

Common Chaffinch africana/harterti/spodiogenys


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