The Eurasian skylark is a passerine bird in the lark family, Alaudidae. It is a widespread species found across Europe and the Palearctic with introduced populations in New Zealand, Australia and on the Hawaiian Islands. It is a bird of open farmland and heath, known for the song of the male, which is delivered in hovering flight from heights of 50 to 100 metres. The sexes are alike. It is streaked greyish-brown above and on the breast and has a buff-white belly. Source: Wikipedia
Alauda arvensis arvensis: Azores; Europe from Wales to Norway, Ural Mts. and Alps
Alauda arvensis scotica: Ireland, nw England, Scotland and Faeroe Islands
Alauda arvensis cantarella: S Europe to Balkans, Crimea and Iran; >N Africa
Alauda arvensis armenica: Transcaucasia and e Turkey to sw Iran (Zagros and Elburz mts.)
Alauda arvensis sierrae: C and s Portugal to s Spain
Alauda arvensis guillelmi: N Portugal and nw Spain
Alauda arvensis harterti: Mts. of nw Africa
Alauda japonica intermedia: breeds in southeastern Siberia and Korea, probably also in northeastern China; winters in southeastern China
Alauda japonica pekinensis: NE Siberia to Sea of Okhotsk, Kamchatka Pen. and Kuril Is.
Alauda japonica dulcivox: SE Russia to Yenisey basin and Afghanistan; >nw India
Alauda japonica kiborti: S Siberia to n Mongolia, Manchuria and Korea; >e China
Alauda japonica lonnbergi: breeds northeastern Siberia, northern Korean Peninsula, and Shantar and Sakhalins); winters in northeastern China, Korea, and Japan