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The site was identified as important in 1999 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Little Grebe Tachybaptus ruficollis	LC	non-breeding	1997	1,500 individuals	A4i
Red-knobbed Coot Fulica cristata	LC	non-breeding	1991	19,400 individuals	A4i
African Spoonbill Platalea alba	LC	non-breeding	1997	412 individuals	A4i
Grey-crested Helmetshrike Prionops poliolophus	NT	resident	1999	present	A1, A2
Basra Reed-warbler Acrocephalus griseldis	EN	non-breeding	-	present	A1
A4iii Species group - waterbirds	n/a	non-breeding	-	min 20,000 individuals	A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (1999) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 1999. The most recent assessment (2023) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	poor (40-69%)	poor (40-69%)	very unfavourable
Wetlands (inland)	moderate (70-90%)	moderate (70-90%)	unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Pollution	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Biological resource use	happening now	whole area/population (>90%)	moderate to rapid deterioration	very high
Human intrusions and disturbance	happening now	whole area/population (>90%)	moderate to rapid deterioration	very high
Residential and commercial development	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	No management planning has taken place	Some limited conservation initiatives are in place	low

Year	Protected Area	Designation	% overlap with IBA
1995	Lake Naivasha	Ramsar Site, Wetland of International Importance	100
2005	Lake Elmenteita	Ramsar Site, Wetland of International Importance	-

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
Lake Naivasha Nature Club	16

For more information on BirdLife's work with Local Conservation Groups, please click here.

Habitat1	Habitat detail	% of IBA
Wetlands (inland)	Freshwater lakes and pools	70
Forest	Woodland - monodominant	-

1. IUCN Habitat classification.

Land use	% of IBA
fisheries/aquaculture	-
agriculture	-
tourism/recreation	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Naivasha (Kenya). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-naivasha-iba-kenya on 23/11/2024.