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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
Fischer's Turaco Tauraco fischeri	NT	resident	1999	present	A1, A2
Plain-backed Sunbird Anthreptes reichenowi	NT	resident	1999	present	A1
Sokoke Pipit Anthus sokokensis	EN	resident	1999	present	A1, A2

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
Shrubland	moderate (70-90%)	moderate (70-90%)	unfavourable
Forest	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	past (and unlikely to return) and no longer limiting	some of area/population (10-49%)	slow but significant deterioration	low
Agricultural expansion and intensification	likely in short term (within 4 years)	small area/few individuals (<10%)	no or imperceptible deterioration	low
Residential and commercial development	happening now	majority/most of area/population (50-90%)	no or imperceptible deterioration	low
Natural system modifications	likely in short term (within 4 years)	small area/few individuals (<10%)	no or imperceptible deterioration	low
Human intrusions and disturbance	happening now	whole area/population (>90%)	no or imperceptible deterioration	low
Invasive and other problematic species and genes	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low
Climate change and severe weather	happening now	whole area/population (>90%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other 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

Year	Protected Area	Designation	% overlap with IBA
1941	Jombo	Forest Reserve	100
1992	Kaya Dzombo National Monument	Other Area	-

Habitat1	Habitat detail	% of IBA
Forest	Lowland forest - undifferentiated	-
Shrubland	Scrub - forest	-

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	-
forestry	-
tourism/recreation	-
water management	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Dzombo Hill Forest (Kenya). Downloaded from https://datazone.birdlife.org/site/factsheet/dzombo-hill-forest-iba-kenya on 23/11/2024.