LC
Souza's Shrike Lanius souzae



Taxonomy

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
- - -

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 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency Does not normally occur in forest
Land mass type Average mass 26 g
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 4,250,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate 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 - - -
Largest subpopulations - - -
Generation length (yrs) 3.9 - - -

Population justification: The global population size has not been quantified, but the species is described as uncommon (Harris and Franklin 2000).

Trend justification: This population is suspected to be in decline owing to ongoing habitat destruction (Harris and Franklin 2000).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Angola N Extant Yes
Botswana N Extant Yes
Congo N Extant Yes
Congo, The Democratic Republic of the N Extant Yes
Gabon N Extant Yes
Malawi N Extant Yes
Mozambique N Extant Yes
Namibia V Extant Yes
Rwanda N Extant Yes
Tanzania N Extant Yes
Zambia N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Angola Caconda
Angola Cangandala National Park
Angola Cuelei
Angola Luando Strict Nature Reserve
Angola Mount Moco
Angola Quiçama
Congo, The Democratic Republic of the Marungu highlands
Congo, The Democratic Republic of the Upemba National Park
Congo, The Democratic Republic of the Kundelungu National Park
Malawi Nyika National Park (Malawi)
Malawi Vwaza Marsh Wildlife Reserve
Malawi South Viphya Forest Reserve
Malawi Kasungu National Park
Malawi Nkhotakota Wildlife Reserve
Malawi Dzalanyama Forest Reserve
Malawi Namizimu Forest Reserve
Mozambique Furancungo woodlands
Tanzania Burigi - Biharamulo Game Reserves
Tanzania Umalila Mountains
Tanzania Loazi-Kalambo Forest Reserves and surrounding area
Zambia Hillwood
Zambia Source of the Zambezi
Zambia Chitunta Plain
Zambia West Lunga National Park and Lukwakwa Game Management Area
Zambia Liuwa Plain National Park
Zambia Sioma Ngwezi National Park
Zambia Nkanga River Conservation Area
Zambia Kafue National Park
Zambia Chimfunshi Wildlife Orphanage
Zambia North Swaka
Zambia Chisamba
Zambia Lukususi National Park
Zambia Shiwa Ng'andu
Zambia Lavushi Manda National Park
Zambia Kasanka National Park
Zambia Kalungwishi
Zambia Jimbe Drainage
Zambia Wonder Gorge
Zambia Mutinondo Wilderness
Zambia Minyanya Plain

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Savanna Dry major resident
Altitude 750 - 1800 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2020) Species factsheet: Lanius souzae. Downloaded from http://www.birdlife.org on 02/12/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 02/12/2020.