Nyanza Swift (Apus niansae) | Details | BirdLife International

Nyanza Swift Apus niansae

Current view: Data table and detailed info

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
2024	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	does not normally occur in forest
Land-mass type		Average mass	32 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	2,140,000 km²	medium
Extent of Occurrence (non-breeding)	814,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	4.24 years	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be generally common to abundant throughout the Rift Valley Highlands (del Hoyo et al. 1999). The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/territory distribution

Country/Territory	Presence	Origin	Breeding visitor
Congo	extant	vagrant
Congo, The Democratic Republic of the	extant	vagrant
Eritrea	extant	native
Ethiopia	extant	native	yes
Kenya	extant	native
Somalia	extant	native
Tanzania	extant	native
Uganda	extant	native

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Eritrea	Central Plateau (Keren)
Eritrea	Senafe
Ethiopia	Ankober - Debre Sina escarpment
Ethiopia	Bahir Dar - Lake Tana
Ethiopia	Bale Mountains National Park
Ethiopia	Borana-Saynt (Denkoro Forest)
Ethiopia	Chilimo-Gaji forest
Ethiopia	Choke mountains
Ethiopia	Dessa'a forest
Ethiopia	Entoto Natural Park and escarpment
Ethiopia	Gefersa reservoir
Ethiopia	Guassa Plateau (Menz)
Ethiopia	Hugumburda and Grat-Kahsu forests
Ethiopia	Jemma and Jara valleys
Ethiopia	Menagesha State Forest
Ethiopia	Metu - Gore - Tepi forests
Ethiopia	Mount Zuquala
Ethiopia	Mugo highlands
Ethiopia	Simien Mountains National Park
Ethiopia	Sululta plain
Ethiopia	Tiro Boter - Becho forest
Ethiopia	Yegof forest
Kenya	Aberdare Mountains
Kenya	Cherangani Hills
Kenya	Mau forest complex
Kenya	Mount Kenya
Tanzania	Arusha National Park and vicinity
Tanzania	Lake Manyara
Tanzania	Mount Kilimanjaro
Tanzania	Ngorongoro Conservation Area
Tanzania	North Pare Mountains
Tanzania	South Pare Mountains
Uganda	Kidepo Valley National Park
Uganda	Mount Elgon National Park
Uganda	Mount Moroto Forest Reserve

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Urban Areas	major	non-breeding
Artificial/Terrestrial	Urban Areas	major	breeding
Grassland	Subtropical/Tropical Dry	suitable	non-breeding
Grassland	Subtropical/Tropical Dry	suitable	breeding
Grassland	Subtropical/Tropical High Altitude	suitable	non-breeding
Grassland	Subtropical/Tropical High Altitude	suitable	breeding
Rocky areas (eg. inland cliffs, mountain peaks)		major	non-breeding
Rocky areas (eg. inland cliffs, mountain peaks)		major	breeding
Savanna	Dry	suitable	non-breeding
Savanna	Dry	suitable	breeding
Shrubland	Subtropical/Tropical Dry	suitable	non-breeding
Shrubland	Subtropical/Tropical Dry	suitable	breeding
Shrubland	Subtropical/Tropical High Altitude	suitable	non-breeding
Shrubland	Subtropical/Tropical High Altitude	suitable	breeding
Altitude	0 - 4130 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Nyanza Swift Apus niansae. Downloaded from https://datazone.birdlife.org/species/factsheet/nyanza-swift-apus-niansae on 26/12/2024.
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 26/12/2024.