Data Zone
The site was identified as internationally important for bird conservation in 2019 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 |
|---|---|---|---|---|
| Lesser Flamingo Phoeniconaias minor | NT | non-breeding (2014–2019) | 26–37 birds | B1a |
| Western Reef-egret Egretta gularis | LC | non-breeding (2014–2019) | 404–963 birds | A4, B3a |
| Pink-backed Pelican Pelecanus rufescens | LC | non-breeding (2014–2019) | 193–819 birds | B3a |
| Great White Pelican Pelecanus onocrotalus | LC | non-breeding (2014–2019) | 544–940 birds | B3a |
| Eurasian Oystercatcher Haematopus ostralegus | NT | winter (2014–2019) | 60–111 birds | B1a |
| Pied Avocet Recurvirostra avosetta | LC | winter (2014–2019) | 833–1,589 birds | B3a |
| Eurasian Curlew Numenius arquata | NT | winter (2014–2019) | 139–535 birds | B1a |
| Bar-tailed Godwit Limosa lapponica | NT | winter (2014–2019) | 723–1,354 birds | B1a |
| Black-tailed Godwit Limosa limosa | NT | winter (2014–2019) | 391–1,147 birds | B1a |
| Red Knot Calidris canutus | NT | winter (2014–2019) | 26–108 birds | B1a |
| Curlew Sandpiper Calidris ferruginea | VU | winter (2014–2019) | 1,684–4,023 birds | B1a |
| Little Tern Sternula albifrons | LC | winter (2014–2019) | 394–1,007 birds | B3a |
| Timneh Parrot Psittacus timneh | EN | resident (2014–2019) | 4 birds | A1 |
| A4iii Species group - waterbirds | n/a | non-breeding (2014–2019) | 15,297–24,198 birds | B3b |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2019. The most recent assessment (2022) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2022 | not assessed | high | medium |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | good | |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Biological resource use | happening now | most of population/area (50–90%) | moderate decline (10–30% over 3 generations) | high |
| Pollution | happening now | most of population/area (50–90%) | moderate decline (10–30% over 3 generations) | high |
| Agricultural expansion and intensification | happening now | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Residential and commercial development | happening now | few individuals/small area (<10%) | slow decline (1–10% over 3 generations) | low |
| Transportation and service corridors | happening now | few individuals/small area (<10%) | slow decline (1–10% over 3 generations) | low |
| Human intrusions and disturbance | happening now | few individuals/small area (<10%) | slow decline (1–10% over 3 generations) | low |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Whole area (>90%) covered by appropriate conservation designation | A management plan exists, but it is out of date or not comprehensive | Substantive conservation measures are being implemented, but these are not comprehensive and are limited by resources and capacity | medium |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | 66 | Mangrove; Lowland forest - dry deciduous |
| Marine Intertidal | 17 | |
| Artificial/Terrestrial | 12 | Arable land; Farmbush, fallow & ruderal land |
| Wetlands (inland) | 5 | Rivers & streams |
| Land use | % of IBA |
|---|---|
| fisheries/aquaculture | - |
| urban/industrial/transport | - |
| not utilised | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Yawri Bay (Sierra Leone). Downloaded from
https://datazone.birdlife.org/site/factsheet/yawri-bay-iba-sierra-leone on 22/12/2024.