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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
Papyrus Gonolek Laniarius mufumbiri	NT	resident	1999	present	A1, A3
Carruthers's Cisticola Cisticola carruthersi	LC	resident	1999	present	A3
White-winged Swamp-warbler Bradypterus carpalis	LC	resident	1999	present	A3
Black-lored Babbler Turdoides sharpei	LC	resident	1999	present	A3
Red-chested Sunbird Cinnyris erythrocercus	LC	resident	1999	present	A3
Northern Brown-throated Weaver Ploceus castanops	LC	resident	1999	present	A3
Papyrus Canary Crithagra koliensis	LC	resident	1999	present	A3

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 (2022) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	very poor (< 40%)	very poor (< 40%)	very unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Energy production and mining	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Biological resource use	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Transportation and service corridors	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Human intrusions and disturbance	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Pollution	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Climate change and severe weather	likely in short term (within 4 years)	majority/most of area/population (50-90%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Some of site covered (10-49%)	No management planning has taken place	Some limited conservation initiatives are in place	low

Habitat1	Habitat detail	% of IBA
Wetlands (inland)	Permanent herbaceous swamps and bogs	100

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-
other	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sio Port swamp (Kenya). Downloaded from https://datazone.birdlife.org/site/factsheet/sio-port-swamp-iba-kenya on 22/11/2024.