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The site was identified as internationally important for bird conservation in 1998 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
South African Shelduck Tadorna cana	LC	non-breeding (-)	87–477 birds	A4i
Southern Pochard Netta erythrophthalma	LC	non-breeding (-)	346–1,332 birds	A4i
Cape Shoveler Spatula smithii	LC	non-breeding (-)	603–1,418 birds	A4i
Little Grebe Tachybaptus ruficollis	LC	non-breeding (-)	403–628 birds	A4i
Great Crested Grebe Podiceps cristatus	LC	non-breeding (-)	25–51 birds	A4i
Black-necked Grebe Podiceps nigricollis	LC	non-breeding (-)	328–1,380 birds	A4i
Greater Flamingo Phoenicopterus roseus	LC	non-breeding (-)	1,878–4,328 birds	A4i
Lesser Flamingo Phoeniconaias minor	NT	non-breeding (-)	present	A1
Cape Cormorant Phalacrocorax capensis	EN	breeding (-)	1,000–15,000 pairs	A1, A4i
Cape Cormorant Phalacrocorax capensis	EN	non-breeding (-)	2,665–40,000 birds	A1, A4i
Pied Avocet Recurvirostra avosetta	LC	non-breeding (-)	467–942 birds	A4i
Hartlaub's Gull Larus hartlaubii	LC	non-breeding (-)	1,156–3,506 birds	A4i
Kelp Gull Larus dominicanus	LC	non-breeding (-)	996–3,685 birds	A4i
White-winged Tern Chlidonias leucopterus	LC	winter (-)	1,025–6,832 birds	A4i
Sandwich Tern Thalasseus sandvicensis	LC	winter (-)	3,027 birds	A4i
Greater Crested Tern Thalasseus bergii	LC	non-breeding (-)	753 birds	A4i
A4iii Species group - seabirds	n/a	resident (-)	20,000-49,999 birds	A4iii
A4iii Species group - waterbirds	n/a	non-breeding (-)	20,000-49,999 birds	A4iii

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 1998. The most recent assessment (2012) is shown below.

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Cape Shoveler Spatula smithii	630 / 1,418 (birds)	45	poor
Cape Teal Anas capensis	450 / 1,799 (birds)	26	very poor
Great Crested Grebe Podiceps cristatus	16 / 51 (birds)	32	very poor
Hartlaub's Gull Larus hartlaubii	830 / 3,506 (birds)	24	very poor

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Marine Coastal/Supratidal	poor (40–69%)	poor (40–69%)	very poor
Shrubland	moderate (70–90%)	moderate (70–90%)	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Pollution	happe­ning now	most of popul­ation/area (50–90%)	moderate decline (10–30% over 3 gener­ations)	high
Natural system modifications	happe­ning now	most of popul­ation/area (50–90%)	slow decline (1–10% over 3 gener­ations)	high
Transportation and service corridors	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Human intrusions and disturbance	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Invasive and other problematic species and genes	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%)	no or slight decline (<1% over 3 gener­ations)	low
Biological resource use	happe­ning now	few indivi­duals/small area (<10%)	no or slight decline (<1% over 3 gener­ations)	low
Climate change and severe weather	likely in long term (>4 years)	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
Most of area (50–90%) covered (including the most critical parts for important bird species)	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

Year	Protected Area	Designation (management category)	% coverage of IBA
-	False Bay Ecology Park	Other (-)	100

Habitat	% of IBA	Habitat detail
Artificial/Aquatic & Marine	major (>10)	Other artificial wetlands
Marine Coastal/Supratidal	minor (<10)
Marine Intertidal	minor (<10)
Shrubland	-	Shrubland - Cape (fynbos)

Land use	% of IBA
nature conservation and research	100
unknown	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: False Bay Nature Reserve (South Africa). Downloaded from https://datazone.birdlife.org/site/factsheet/false-bay-nature-reserve-iba-south-africa on 23/12/2024.