Lake Chilwa and flood-plain

IBA Criteria

Year of most recent IBA criteria assessment: 2001

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Fulvous Whistling-duck Dendrocygna bicolor LC non-breeding 1999 100,000 individuals A4i
Black Crake Zapornia flavirostra LC non-breeding 1999 100,000 individuals A4i
Purple Swamphen Porphyrio porphyrio LC non-breeding 1996 2,500 individuals A4i
Allen's Gallinule Porphyrio alleni LC non-breeding 1999 200,000 individuals A4i
Lesser Moorhen Paragallinula angulata LC non-breeding 1999 600,000 individuals A4i
African Spoonbill Platalea alba LC non-breeding 1996 300 individuals A4i
Glossy Ibis Plegadis falcinellus LC non-breeding 1999 5,000 individuals A4i
Black Heron Egretta ardesiaca LC non-breeding 1996 600 individuals A4i
Great Snipe Gallinago media NT winter - uncommon A1
African Skimmer Rynchops flavirostris NT non-breeding 2000 280 individuals A1, A4i
Grey-headed Gull Larus cirrocephalus LC non-breeding 1996 2,500 individuals A4i
Pallid Harrier Circus macrourus NT winter - present A1
Lesser Kestrel Falco naumanni LC winter - present A1
A4iii Species group - waterbirds n/a non-breeding 1999 1,000,000-2,499,999 individuals A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2001 high not assessed not assessed
Was the whole site covered? Yes State assessed by unset
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Lake Chilwa Wetland UNESCO-MAB Biosphere Reserve 0 protected area overlaps with site 0
Lake Chilwa Ramsar Site, Wetland of International Importance 224,800 protected area overlaps with site 220,000


IUCN Habitat Habitat detail Extent (% of site)
Artificial/Terrestrial -
Wetlands (inland) -
Shrubland -
Forest -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Lake Chilwa and flood-plain. Downloaded from on 14/08/2020.