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The site was identified as internationally important for bird conservation in 2001 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 List	Season (year/s of estimate)	Size	IBA criteria
Vulturine Guineafowl Acryllium vulturinum	LC	resident (2000)	present	A3
Yellow-necked Spurfowl Pternistis leucoscepus	LC	resident (2000)	present	A3
Fulvous Whistling-duck Dendrocygna bicolor	LC	non-breeding (1995)	6,000 birds	A4i
Lesser Flamingo Phoeniconaias minor	NT	non-breeding (-)	4,000 birds	A1
Black-faced Sandgrouse Pterocles decoratus	LC	resident (2000)	present	A3
Sombre Nightjar Caprimulgus fraenatus	LC	resident (2000)	unknown	A3
Buff-crested Bustard Lophotis gindiana	LC	resident (2000)	present	A3
White-bellied Go-away-bird Criniferoides leucogaster	LC	resident (2000)	present	A3
Black Heron Egretta ardesiaca	LC	non-breeding (1995)	1,200 birds	A4i
Kittlitz's Plover Charadrius pecuarius	LC	non-breeding (1995)	1,538 birds	A4i
African Skimmer Rynchops flavirostris	LC	non-breeding (1995)	726 birds	A1, A4i
Whiskered Tern Chlidonias hybrida	LC	non-breeding (1997)	1,500 birds	A4i
Common Gull-billed Tern Gelochelidon nilotica	LC	winter (1995)	639 birds	A4i
Eastern Chanting-goshawk Melierax poliopterus	LC	resident (2000)	present	A3
White-headed Mousebird Colius leucocephalus	LC	resident (2000)	present	A3
Von der Decken's Hornbill Tockus deckeni	LC	resident (2000)	present	A3
Abyssinian Scimitarbill Rhinopomastus minor	LC	resident (2000)	present	A3
Red-and-yellow Barbet Trachyphonus erythrocephalus	LC	resident (2000)	present	A3
Black-throated Barbet Tricholaema melanocephala	LC	resident (2000)	present	A3
D'Arnaud's Barbet Trachyphonus darnaudii	LC	resident (2000)	present	A3
Red-bellied Parrot Poicephalus rufiventris	LC	resident (2000)	present	A3
Pygmy Batis Batis perkeo	LC	resident (2000)	present	A3
Pringle's Puffback Dryoscopus pringlii	LC	resident (2000)	present	A3
Rosy-patched Bushshrike Rhodophoneus cruentus	LC	resident (2000)	present	A3
Long-tailed Fiscal Lanius cabanisi	LC	resident (2000)	present	A3
Taita Fiscal Lanius dorsalis	LC	resident (2000)	present	A3
Somali Tit Melaniparus thruppi	LC	resident (2000)	present	A3
Mouse-coloured Penduline-tit Anthoscopus musculus	LC	resident (2000)	present	A3
Pink-breasted Lark Calendulauda poecilosterna	LC	resident (2000)	present	A3
Grey Wren-warbler Calamonastes simplex	LC	resident (2000)	present	A3
Ashy Cisticola Cisticola cinereolus	LC	resident (2000)	unknown	A3
Banded Warbler Curruca boehmi	LC	resident (2000)	present	A3
Kenya White-eye Zosterops flavilateralis	LC	resident (2000)	present	A3
Rufous Chatterer Argya rubiginosa	LC	resident (2000)	present	A3
Scaly Chatterer Argya aylmeri	LC	resident (2000)	present	A3
Magpie Starling Speculipastor bicolor	LC	resident (2000)	unknown	A3
Hildebrandt's Starling Lamprotornis hildebrandti	LC	resident (2000)	present	A3
Golden-breasted Starling Lamprotornis regius	LC	resident (2000)	present	A3
Fischer's Starling Lamprotornis fischeri	LC	resident (2000)	present	A3
Bare-eyed Thrush Turdus tephronotus	LC	resident (2000)	present	A3
African Grey Flycatcher Bradornis microrhynchus	LC	resident (2000)	present	A3
Eastern Violet-backed Sunbird Anthreptes orientalis	LC	resident (2000)	present	A3
Hunter's Sunbird Chalcomitra hunteri	LC	resident (2000)	present	A3
Black-bellied Sunbird Cinnyris nectarinioides	LC	resident (2000)	present	A3
White-headed Buffalo-Weaver Dinemellia dinemelli	LC	resident (2000)	present	A3
Black-capped Social-Weaver Pseudonigrita cabanisi	LC	resident (2000)	present	A3
Fire-fronted Bishop Euplectes diadematus	LC	resident (2000)	present	A3
Taveta Golden Weaver Ploceus castaneiceps	LC	resident (2000)	present	A3
Purple Grenadier Granatina ianthinogaster	LC	resident (2000)	present	A3
Blue-capped Cordon-bleu Uraeginthus cyanocephalus	LC	resident (2000)	present	A3
Black-cheeked Waxbill Brunhilda charmosyna	LC	resident (2000)	present	A3
Grey-headed Silverbill Spermestes griseicapilla	LC	resident (2000)	present	A3
Straw-tailed Whydah Vidua fischeri	LC	resident (2000)	present	A3
Parrot-billed Sparrow Passer gongonensis	LC	resident (2000)	present	A3
Pangani Longclaw Macronyx aurantiigula	LC	resident (2000)	present	A3
Golden Pipit Tmetothylacus tenellus	LC	resident (2000)	present	A3
Southern Grosbeak-canary Crithagra buchanani	LC	resident (2000)	unknown	A3
White-bellied Canary Crithagra dorsostriata	LC	resident (2000)	present	A3
Somali Bunting Emberiza poliopleura	LC	resident (2000)	present	A3

Habitat	% of IBA	Habitat detail
Grassland	27
Wetlands (inland)	24
Forest	19
Artificial/Terrestrial	16
Shrubland	12

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
forestry	-
water management	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Nyumba ya Mungu reservoir (Tanzania). Downloaded from https://datazone.birdlife.org/site/factsheet/nyumba-ya-mungu-reservoir-iba-tanzania on 22/12/2024.