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The site was identified as important in 2015 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Grey Crowned Crane Balearica regulorum	EN	resident	-	present	A1
Kori Bustard Ardeotis kori	NT	resident	-	present	A1
Madagascar Pond-heron Ardeola idae	EN	non-breeding	-	present	A1
Secretarybird Sagittarius serpentarius	EN	resident	-	present	A1
White-backed Vulture Gyps africanus	CR	resident	-	present	A1
Rüppell's Vulture Gyps rueppelli	CR	non-breeding	-	present	A1
Lappet-faced Vulture Torgos tracheliotos	EN	resident	-	present	A1
Martial Eagle Polemaetus bellicosus	EN	resident	-	present	A1
Greater Spotted Eagle Clanga clanga	VU	winter	-	present	A1

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2015).

State (condition of the trigger species' habitats)
Habitat	Habitat detail	Reference area (ha)	Actual area (ha)	Habitat quantity (% remaining)	Habitat quality (carrying capacity)	Result
Forest	Woodland - riparian	0	0	good (> 90%)	good (> 90%)	favourable
Grassland	Grassland - edaphic, dry	0	0	moderate (70-90%)	moderate (70-90%)	unfavourable
Savanna		0	0	moderate (70-90%)	moderate (70-90%)	unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Climate change and severe weather	drought	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Human intrusions and disturbance	recreational activities	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Pollution	air-borne pollutants - smog	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Pollution	excess energy - noise pollution	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Residential and commercial development	tourism and recreation areas	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Transportation and service corridors	roads and railroads	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation	Management planning	Other conservation action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	high

For more information about IBA conservation status, please click here

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Ngong Road	Forest Reserve	1,039	protected area overlaps with site	0
Nairobi	National Park	11,700	protected area overlaps with site	11,700

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Forest	Woodland - riparian	-
Grassland	Grassland - edaphic, dry	-
Savanna	Bushland & thicket - evergreen, Wooded grassland	-

For more information about the IUCN Habitat classification, please click here.

Land-use	Extent (% of site)
nature conservation and research	-
tourism/recreation	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Nairobi National Park. Downloaded from http://datazone.birdlife.org/site/factsheet/nairobi-national-park-iba-kenya on 06/12/2023.