LC
Eastern Long-billed Lark Certhilauda semitorquata



Taxonomy

Taxonomic note

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
Ryan, P. G.; Bloomer, P. 1999. The Long-billed Lark complex: a species mosaic in southwestern Africa. The Auk 116: 194-208.
Ryan, P. G.; Bloomer, P. 1999. The Long-billed Lark complex: a species mosaic in southwestern Africa. The Auk 116: 194-208.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Not Recognised
1988 Not Recognised
Species attributes

Migratory status not a migrant Forest dependency Does not normally occur in forest
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 514,000
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Decreasing suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Percentage in largest subpopulation - - -
Generation length (yrs) 3.5 - - -

Population justification: The global population size has not been quantified, but the species is described as relatively common (del Hoyo et al. 2004).

Trend justification: The population is suspected to be in decline owing to habitat conversion (del Hoyo et al. 2004).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Eswatini N Extant Yes
Lesotho N Extant Yes
South Africa N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Grassland Subtropical/Tropical Dry major resident
Rocky areas (eg. inland cliffs, mountain peaks) major resident
Altitude   Occasional altitudinal limits  

Recommended citation
BirdLife International (2022) Species factsheet: Certhilauda semitorquata. Downloaded from http://www.birdlife.org on 13/08/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 13/08/2022.