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close| Location | Tanzania, Mtwara |
| Central coordinates | 40o 22.00' East 10o 25.00' South |
| IBA criteria | A4i |
| Area | 10,000 ha |
| Altitude | |
| Year of IBA assessment | 2001 |
Ornithological information See Box for key species. The site’s avifauna is poorly known. It is believed to be important for waterbirds, particularly waders. A count of 3,000 Dromas ardeola was recorded at the site in the 1960s, but a count in 1995 recorded only 750 birds. Seven species of the East African Coast biome have been recorded at the site (see Table 3).
Site description Mnazi is a shallow bay just to the north of the Ruvuma river. It is protected on the seaward side by the Rawira peninsula to the south and by a series of small islands to the north.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Crab Plover Dromas ardeola | winter | 1995 | 750 individuals | - | A4i | Least Concern |
| Greater Sand Plover Charadrius leschenaultii | winter | 1995 | 1,823 individuals | - | A4i | Least Concern |
| Brown-headed Parrot Poicephalus cryptoxanthus | resident | 2000 | - | - | Least Concern | |
| Mangrove Kingfisher Halcyon senegaloides | resident | 2000 | - | - | Least Concern | |
| Pale Batis Batis soror | resident | 2000 | - | - | Least Concern | |
| Four-coloured Bush-shrike Telophorus quadricolor | resident | 2000 | - | - | Least Concern | |
| Black-bellied Glossy-starling Lamprotornis corruscus | resident | 2000 | - | - | Least Concern | |
| Mouse-coloured Sunbird Nectarinia veroxii | resident | 2000 | - | - | Least Concern | |
| Zanzibar Bishop Euplectes nigroventris | resident | 2000 | - | - | Least Concern |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Artificial landscapes (terrestrial) | 20% | |
| Forest | 80% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| fisheries/aquaculture | - |
Other biodiversity None known to BirdLife International.
Management considerations Threats include fishing with dynamite and the possibility of exploitation of natural gas reserves.
References Baker (1997).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Mnazi Bay. Downloaded from http://www.birdlife.org on 23/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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