VU
Red Lark Calendulauda burra



Taxonomy

Taxonomic note

Calendulauda albescens (del Hoyo and Collar 2016) was previously listed as Certhilauda albescens.

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.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - C2a(ii)

Red List history
Year Category Criteria
2021 Vulnerable C2a(ii)
2017 Vulnerable C2a(ii)
2016 Vulnerable C2a(ii)
2012 Vulnerable C2a(i)
2008 Vulnerable C2a(i)
2007 Vulnerable
2004 Vulnerable
2000 Vulnerable
1996 Vulnerable
1994 Vulnerable
1988 Near Threatened
Species attributes

Migratory status not a migrant Forest dependency does not normally occur in forest
Land-mass type continent
Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 77,200 km2 medium
Number of locations 11-100 -
Severely fragmented? yes -
Population
Estimate Data quality Derivation Year of estimate
Population size 6300 mature individuals medium estimated 2000
Population trend decreasing medium inferred -
Rate of change over the past 10 years/3 generations (longer of the two periods) 20-29% - - -
Generation length 3.3 years - - -
Number of subpopulations 1 - - -
Percentage of mature individuals in largest subpopulation 100% - - -

Population justification: The total population has been estimated at 9,400 individuals, roughly equivalent to 6,300 mature individuals.

Trend justification: The population is suspected to be declining in line with the loss and degradation of the species's habitat. Between Southern African Bird Atlas Projects it has seen a possible 52% decrease in EOO, although this may be possibly in part due to limited field surveys and it inhabiting sparsely populated areas (Peacock 2015); and there is some evidence to suggest it may have even increased its range (Lee et al. 2017). The decline has been conservatively placed in the range of 20-29% over the past ten years, but this may require alteration with further information.


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Namibia presence uncertain uncertain
South Africa extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
South Africa Bitterputs Conservation Area
South Africa Haramoep and Black Mountain Mine
South Africa Mattheus-Gat Conservation Area

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Grassland Subtropical/Tropical Dry major resident
Shrubland Subtropical/Tropical Dry major resident
Altitude 600 - 1100 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Livestock farming & ranching - Agro-industry grazing, ranching or farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Climate change & severe weather Habitat shifting & alteration Timing Scope Severity Impact
Future Whole (>90%) Rapid Declines Medium Impact: 6
Stresses
Indirect ecosystem effects, Ecosystem degradation
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Ovis aries Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion

Recommended citation
BirdLife International (2024) Species factsheet: Red Lark Calendulauda burra. Downloaded from https://datazone.birdlife.org/species/factsheet/red-lark-calendulauda-burra on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/12/2024.