BW003
Okavango Delta


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 - 4,500 individuals A4i
White-backed Duck Thalassornis leuconotus LC resident - 200 breeding pairs A4i
White-backed Duck Thalassornis leuconotus LC non-breeding - 350 individuals A4i
African Pygmy-goose Nettapus auritus LC resident - 6,200-15,000 breeding pairs A4i
African Pygmy-goose Nettapus auritus LC non-breeding - 40,000 individuals A4i
Burchell's Sandgrouse Pterocles burchelli LC resident 1998 present A3
Coppery-tailed Coucal Centropus cupreicaudus LC resident 1998 present A3
Corncrake Crex crex LC winter - present A1
Lesser Moorhen Paragallinula angulata LC resident - 1,000 breeding pairs A4i
Lesser Moorhen Paragallinula angulata LC non-breeding - 5,000 individuals A4i
Wattled Crane Bugeranus carunculatus VU resident - 100-500 breeding pairs A1, A4i
Wattled Crane Bugeranus carunculatus VU non-breeding - 1,000-2,000 individuals A1, A4i
Marabou Leptoptilos crumenifer LC resident - 300-400 breeding pairs A4i
Marabou Leptoptilos crumenifer LC non-breeding - 5,000 individuals A4i
African Openbill Anastomus lamelligerus LC non-breeding - 1,000 individuals A4i
African Woollyneck Ciconia microscelis LC resident - 500 breeding pairs A4i
Saddlebill Ephippiorhynchus senegalensis LC resident - 100 breeding pairs A4i
Saddlebill Ephippiorhynchus senegalensis LC non-breeding - 1,500-2,000 individuals A4i
African Spoonbill Platalea alba LC breeding - 500 breeding pairs A4i
White-backed Night-heron Calherodius leuconotus LC resident - 85 breeding pairs A4i
Black-crowned Night-heron Nycticorax nycticorax LC breeding - 1,000 breeding pairs A4i
Squacco Heron Ardeola ralloides LC resident - 10,000 breeding pairs A4i
Rufous-bellied Heron Ardeola rufiventris LC resident - 200 breeding pairs A4i
Rufous-bellied Heron Ardeola rufiventris LC non-breeding - 500 individuals A4i
Goliath Heron Ardea goliath LC resident - 700 breeding pairs A4i
Purple Heron Ardea purpurea LC resident - 170 breeding pairs A4i
Great White Egret Ardea alba LC resident - 2,000 breeding pairs A4i
Black Heron Egretta ardesiaca LC resident - 500 breeding pairs A4i
Slaty Egret Egretta vinaceigula VU resident - 100-1,000 breeding pairs A1, A4i
Slaty Egret Egretta vinaceigula VU non-breeding - 2,000 individuals A1, A4i
Little Egret Egretta garzetta LC resident - 4,000 breeding pairs A4i
Great White Pelican Pelecanus onocrotalus LC non-breeding - 2,000 individuals A4i
African Darter Anhinga rufa LC resident - 100 breeding pairs A4i
African Darter Anhinga rufa LC non-breeding - 300 individuals A4i
Lesser Jacana Microparra capensis LC resident - 200 breeding pairs A4i
Lesser Jacana Microparra capensis LC non-breeding - 500 individuals A4i
Collared Pratincole Glareola pratincola LC resident - 500 breeding pairs A4i
Collared Pratincole Glareola pratincola LC non-breeding - 1,000-1,600 individuals A4i
Black-winged Pratincole Glareola nordmanni NT winter - 2,000 individuals A1, A4i
African Skimmer Rynchops flavirostris LC non-breeding - 200 individuals A1, A4i
African Skimmer Rynchops flavirostris LC resident - 100 breeding pairs A1, A4i
Bradfield's Hornbill Lophoceros bradfieldi LC resident 1998 present A3
Racquet-tailed Roller Coracias spatulatus LC resident 1998 present A3
Lesser Kestrel Falco naumanni LC winter - 200-2,000 individuals A1, A4ii
Dickinson's Kestrel Falco dickinsoni LC resident 1998 present A3
Red-footed Falcon Falco vespertinus VU winter - 1,000 individuals A4ii
Amur Falcon Falco amurensis LC winter - 1,000 individuals A4ii
Barred Wren-warbler Calamonastes fasciolatus LC resident 1998 present A3
Chirping Cisticola Cisticola pipiens LC resident 1998 present A3
Barn Swallow Hirundo rustica LC winter - 3,000,000 individuals A4ii
Black-faced Babbler Turdoides melanops LC resident 1998 present A3
Hartlaub's Babbler Turdoides hartlaubii LC resident 1998 present A3
Burchell's Starling Lamprotornis australis LC resident 1998 present A3
Sharp-tailed Starling Lamprotornis acuticaudus LC resident 1998 present A3
Meves's Long-tailed Starling Lamprotornis mevesii LC resident 1998 present A3
Kurrichane Thrush Turdus libonyana LC resident 1998 present A3
Kalahari Scrub-robin Cercotrichas paena LC resident 1998 present A3
Arnot's Chat Myrmecocichla arnotti LC resident 1998 present A3
White-breasted Sunbird Cinnyris talatala LC resident 1998 present A3
Brown Firefinch Lagonosticta nitidula LC resident 1998 present A3
A4iii Species group - waterbirds n/a breeding - 50,000-99,999 individuals A4iii
A4iii Species group - waterbirds n/a non-breeding - 100,000-499,999 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)
2012 high unfavourable high
Was the whole site covered? Yes State assessed by Population
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - shifting agriculture happening now some of area/population (10-49%) moderate to rapid deterioration high
Agricultural expansion and intensification annual & perennial non-timber crops - small-holder farming likely in short term (within 4 years) some of area/population (10-49%) slow but significant deterioration medium
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now small area/few individuals (<10%) slow but significant deterioration low
Biological resource use hunting & collecting terrestrial animals - persecution/control happening now small area/few individuals (<10%) slow but significant deterioration low
Climate change and severe weather storms and floods happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Energy production and mining mining and quarrying likely in long term (beyond 4 years) small area/few individuals (<10%) very rapid to severe deterioration low
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) slow but significant deterioration medium
Human intrusions and disturbance work and other activities happening now some of area/population (10-49%) slow but significant deterioration medium
Invasive and other problematic species and genes invasive non-native/alien species/diseases - named species happening now majority/most of area/population (50-90%) slow but significant deterioration high
Residential and commercial development tourism and recreation areas happening now some of area/population (10-49%) slow but significant deterioration medium

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Ephippiorhynchus senegalensis Saddlebill 23000 22563 unknown 99 favourable
Ephippiorhynchus senegalensis Saddlebill 10000 7643 unknown 77 near favourable
Platalea alba African Spoonbill 5678 5234 mature individuals 93 favourable
Ardeola ralloides Squacco Heron 23970 22563 mature individuals 95 favourable
Ardea goliath Goliath Heron 34900 23760 individuals 69 unfavourable
Ardea alba Great White Egret 23456 20562 unknown 88 near favourable
Pelecanus onocrotalus Great White Pelican 30000 26754 mature individuals 90 near favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation 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
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Okavango Delta System Ramsar Site, Wetland of International Importance 5,537,400 protected area contains site 5,300,000
Okavango Delta World Heritage Site (natural or mixed) 2,023,590 protected area overlaps with site 0
Okavango Delta Wildlife Management Area 1,388,000 protected area contained by site 1,388,000
NG/9 Wildlife Management Area 838,800 protected area contained by site 838,800
NG/8 Wildlife Management Area 483,700 protected area contained by site 483,700
NG/7 Wildlife Management Area 291,800 protected area contained by site 291,800
NG/6 Wildlife Management Area 18,430 protected area contained by site 18,430
NG/41 Wildlife Management Area 217,700 protected area contained by site 220,825
NG/37 Wildlife Management Area 131,857 protected area contained by site 131,857
NG/36 Wildlife Management Area 8,890 protected area contained by site 8,890
NG/35 Wildlife Management Area 395,600 protected area contained by site 395,600
NG/34 Wildlife Management Area 85,900 protected area contained by site 85,621
NG/33 Wildlife Management Area 6,100 protected area contained by site 5,977
NG/32 Wildlife Management Area 122,200 protected area contained by site 122,334
NG/31 Wildlife Management Area 21,700 protected area overlaps with site 10,876
NG/30 Wildlife Management Area 95,000 protected area contained by site 93,720
NG/29 Wildlife Management Area 184,700 protected area contained by site 192,347
NG/28 Wildlife Management Area 482,999 protected area contained by site 482,999
NG/27B Wildlife Management Area 15,800 protected area contained by site 15,341
NG/27A Wildlife Management Area 24,500 protected area contained by site 25,064
NG/26 Wildlife Management Area 173,600 protected area contained by site 169,320
NG/25 Wildlife Management Area 60,200 protected area contained by site 61,701
NG/24 Wildlife Management Area 58,600 protected area contained by site 58,412
NG/23B Wildlife Management Area 35,084 protected area contained by site 35,084
NG/23A Wildlife Management Area 88,870 protected area contained by site 88,870
NG/22 Wildlife Management Area 57,100 protected area contained by site 61,011
NG/21 Wildlife Management Area 22,900 protected area contained by site 23,006
NG/20 Wildlife Management Area 164,700 protected area contained by site 164,459
NG/19 Wildlife Management Area 17,000 protected area contained by site 16,389
NG/18 Wildlife Management Area 1,744 protected area contained by site 179,536
NG/17 Wildlife Management Area 6,200 protected area contained by site 6,488
NG/13 Wildlife Management Area 293,800 protected area contained by site 286,683
NG/12 Wildlife Management Area 109,193 protected area contained by site 109,193
NG/11 Wildlife Management Area 456,231 protected area contained by site 456,231
NG/10 Wildlife Management Area 119,628 protected area contained by site 119,628
Moremi Game Reserve 487,100 protected area overlaps with site 482,999

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Shrubland -
Grassland -
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 -
tourism/recreation -
other -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Okavango Delta. Downloaded from http://www.birdlife.org on 26/06/2022.