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Sickle-billed Vanga Falculea palliata

IUCN Red List history

Year Category
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 Medium
Land mass type   Average mass -


  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 302,000
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals Unknown not applicable Not Applicable 0
Population trend Unknown -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 7.1 - - -
Population justification: The global population size has not been quantified, but the species is described as common in or near forests in western Madagascar (Morris and Hawkins 1998).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Madagascar Native Extant       Yes

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Madagascar Ambavanankarana wetlands site factsheet
Madagascar Analamera Special Reserve site factsheet
Madagascar Andavakoera-Andrafiamena-Ambohiparaka site factsheet
Madagascar Andohahela National Park: Parcel II site factsheet
Madagascar Ankarafantsika National Park and Ampijoroa Forestry Station site factsheet
Madagascar Ankarana Special Reserve site factsheet
Madagascar Baly Bay National Park site factsheet
Madagascar Bemamba Wetland Complex site factsheet
Madagascar Bemarivo Special Reserve site factsheet
Madagascar Beza-Mahafaly Special Reserve Parcels I and II site factsheet
Madagascar Cape Saint André Forest and Wetlands site factsheet
Madagascar Daraina (Loky-Manambato) SAPM site factsheet
Madagascar Kasijy Special Reserve site factsheet
Madagascar Kirindy Mitea National Park and surrounding areas site factsheet
Madagascar Kirindy-South Forest site factsheet
Madagascar Lake Ihotry Hunting Reserve - Mangoky Delta complex site factsheet
Madagascar Mahafaly Plateau Forest complex site factsheet
Madagascar Mahavavy Kinkony Wetland site factsheet
Madagascar Manambolomaty wetland complex and Tsimembo Classified Forest site factsheet
Madagascar Mangoky - Ankazoabo Forest site factsheet
Madagascar Maningoza Special Reserve site factsheet
Madagascar Manongarivo Special Reserve site factsheet
Madagascar Menabe forest complex site factsheet
Madagascar Mikea Forest site factsheet
Madagascar Namoroka National Park site factsheet
Madagascar Port Bérgé Wetlands site factsheet
Madagascar Saint Augustin Forest site factsheet
Madagascar Tambohorano wetland Complex site factsheet
Madagascar Tsimanampetsotsa National Park site factsheet
Madagascar Tsingy de Bemaraha National Park (Bemaraha Tsingy National Park and Strict Nature Reserve IBA) site factsheet
Madagascar Wetlands of the Tsiribihina delta and upper Tsiribihina river site factsheet
Madagascar Zombitse-Vohibasia National Park site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Dry major resident
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable resident
Forest Subtropical/Tropical Moist Lowland suitable resident
Savanna Dry major resident
Shrubland Subtropical/Tropical Dry major resident
Altitude 0 - 0 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2016) Species factsheet: Falculea palliata. Downloaded from on 12/02/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from on 12/02/2016.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Vangidae (Vangas)
Species name author Geoffroy Saint-Hilaire, 1836
Population size Unknown mature individuals
Population trend Unknown
Distribution size (breeding/resident) 302,000 km2
Country endemic? Yes
Links to further information
- Summary information on this species