- Certhilauda semitorquata
Length 16-20 cm, mass 30-48 g
Upper parts reddish brown with dark brown streaks. Fairly broad, creamy eyebrow, cheeks and ear-coverts whitish and speckled. Tail and flight feahers dark brown with paler margins. Throat whitish, breast creamy buff, lightly streaked rufous brown, belly creamy buff. Bill fairly short and slightly decurved. Eyes brown to pale grey.
Grasslands of eastern South Africa, Lesotho, and western Swaziland.
The Long-billed Lark complex was split recently based on genetic and morphological differences (Ryan & Bloomer, 1999. Auk 116, 194-208). The Eastern Long-billed Lark is closely related to the Cape Long-billed Lark and Agulhas Long-billed Lark.
Three subspecies,  :
- C. s. transvaalensis: upper parts paler and redder than nominate, wing and tail shorter
- Northeastern Northern Cape, Free State, Gauteng, Mpumalanga, western Swaziland and northern KwaZulu-Natal
- C. s. algida: most heavily streaked race, upper parts darker and under parts paler than nominate race
Upland grassland and grassy shrublands, usually in rocky terrain.
Usually solitary or in pairs.
Forages mainly on the ground for arthropods, seeds and corms.
Song is a loud descending whistle.
- Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
- Hockey, PAR, WRJ Dean, and PG Ryan, eds. 2005. Roberts' Birds of Southern Africa. 7th ed. Cape Town: John Voelcker Bird Book Fund. ISBN 978-0620340533
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