LC
Grasshopper Buzzard Butastur rufipennis



Taxonomy

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions 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
2021 Least Concern
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 full migrant Forest dependency low
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 10,600,000 km2 medium
Extent of Occurrence (non-breeding) 10,300,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 20000-49999 mature individuals - suspected 2000
Population trend decreasing - suspected -
Generation length 5.3 years - - -

Population justification: The global population is estimated at well over 10,000 pairs which equates to 20,000 mature individuals (Thiollay 2000). The species is reported to be generally common and locally abundant in some areas (Ferguson-Lees & Christie 2001), outnumbering all other raptors except Black Kite Milvus migrans (Thiollay 2000). It is placed in the band 20,000-49,999 mature individuals.

Trend justification: The population is suspected to be in decline locally owing to over-grazing and drought (Ferguson-Lees and Christie 2001). A decline in non-breeding visitors to Kenya has been observed (Thiollay 2000). A decline in individuals counted during the dry season was also observed in Burkina Faso, Mali and Niger during 1969-2004, although it should be noted that this may be due to differences in the timing of migration between years rather than a population decline (Thiollay 2006).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Benin extant native yes yes
Burkina Faso extant native yes yes
Burundi extant vagrant yes
Cameroon extant native yes yes
Central African Republic extant native yes yes
Chad extant native yes yes
Congo, The Democratic Republic of the extant native yes
Côte d'Ivoire extant native yes
Djibouti extant native yes
Eritrea extant native yes
Ethiopia extant native yes yes
Gambia extant native yes
Ghana extant native yes
Guinea extant native yes yes
Guinea-Bissau extant native yes yes
Kenya extant native yes
Liberia extant vagrant yes
Mali extant native yes yes
Mauritania extant native yes
Niger extant native yes
Nigeria extant native yes yes
Rwanda extant vagrant yes
Senegal extant native yes
Sierra Leone extant native yes
Somalia extant native yes
South Sudan extant native yes yes
Sudan extant native yes
Tanzania extant native yes
Togo extant native yes
Uganda extant native yes

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

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable resident
Forest Subtropical/Tropical Dry suitable resident
Grassland Subtropical/Tropical Dry suitable resident
Savanna Dry suitable resident
Shrubland Subtropical/Tropical Dry suitable resident
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable resident
Altitude 0 - 1200 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Livestock farming & ranching - Small-holder grazing, ranching or farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Hunting & trapping terrestrial animals - Intentional use (species is the target) Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Species mortality
Biological resource use Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Climate change & severe weather Droughts Timing Scope Severity Impact
Future Majority (50-90%) Slow, Significant Declines Low Impact: 4
Stresses
Reduced reproductive success, Species mortality
Pollution Agricultural & forestry effluents - Herbicides and pesticides Timing Scope Severity Impact
Ongoing Majority (50-90%) Unknown Unknown
Stresses
Species mortality

Utilisation
Purpose Scale
Food - human subsistence
Medicine - human & veterinary subsistence
Sport hunting/specimen collecting international

Recommended citation
BirdLife International (2024) Species factsheet: Grasshopper Buzzard Butastur rufipennis. Downloaded from https://datazone.birdlife.org/species/factsheet/grasshopper-buzzard-butastur-rufipennis on 22/11/2024.
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 22/11/2024.