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Zandvlei: Westlake Wetlands (34071827)

Western Cape

Authority City of Cape Town Biodiversity Management Branch & Private
Conservation status PARTLY PROTECTED
IBA information
Ramsar information
Heritage information
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An open estuary, with some reedbeds and other emergent vegetation. Holds a good variety of birds, including Purple Heron, Little Bittern and Purple Gallinule. Cormorant counts peak in winter; numbers of Darter, Cape Teal, Redknobbed Coot, Blackwinged Stilt and Hartlaub's Gull show no definite seasonal peak. There were unusually large counts of Blacksmith Plover in summer 1993, of Cape Shoveller in the 1994-1996 summers, of Sacred Ibis in summer 1994, and of Egyptian Goose in winter 1997. Numbers of Darter show some overall increase but Cape Teal appear to be declining. Severe threats are posed by invasive alien plants (Paspalum grass and Eichhornia); important threats include eutrophication, and pollution by solid waste. Hunting, fishing, domestic dogs and cats, and residential development, are also problems. Mallard pose some hybridization threat.

SppCommon nameTaxonomic nameMinAvgMaxIBASubregional
72Scopus umbretta11.001   
10015Anas hybrid16.0016
1016Anas platyrhynchos14.7323
269Avocet, PiedRecurvirostra avosetta215.6753   
67Bittern, LittleIxobrychus minutus11.264   
1027Booby, Red-footedSula sula11.001
212Coot, Red-knobbedFulica cristata112.91175   
48Cormorant, CapePhalacrocorax capensis14.8015   
50Cormorant, ReedMicrocarbo africanus19.7974   
47Cormorant, White-breasted Phalacrocorax lucidus13.9021   
203Crake, BlackZapornia flavirostra11.502
52Darter, AfricanAnhinga rufa17.0225   
10006Duck, DomesticAnas platyrhynchos24.678
10005Duck, HybridAnas hybrid13.005
10014Duck, UnidentifiedN/A N/A3030.0030
96Duck, Yellow-billedAnas undulata121.46164   
149Eagle, African FishHaliaeetus vocifer11.402
60Egret, IntermediateArdea intermedia12.005   
59Egret, LittleEgretta garzetta13.4015   
61Egret, Western CattleBubulcus ibis12.6710   
86Flamingo, Greater Phoenicopterus roseus119.0037   
893Gallinule, PurplePorphyrio martinica13.005
10004Goose, DomesticAnser anser4444.0044
89Goose, EgyptianAlopochen aegyptiaca113.30154   
88Goose, Spur-wingedPlectropterus gambensis19.0578   
5Grebe, Black-neckedPodiceps nigricollis11.001   
4Grebe, Great CrestedPodiceps cristatus11.903   
6Grebe, LittleTachybaptus ruficollis12.5210   
263Greenshank, CommonTringa nebularia11.502   
288Gull, Grey-headedChroicocephalus cirrocephalus12.004   
289Gull, Hartlaub'sChroicocephalus hartlaubii16.9146   
287Gull, KelpLarus dominicanus13.7932   
167Harrier, African MarshCircus ranivorus11.152
69Heron, Black-crowned NightNycticorax nycticorax11.754   
55Heron, Black-headedArdea melanocephala11.644   
54Heron, GreyArdea cinerea12.186   
57Heron, PurpleArdea purpurea11.824   
81Ibis, African SacredThreskiornis aethiopicus14.9342   
83Ibis, GlossyPlegadis falcinellus14.0913   
84Ibis, Hadada Bostrychia hagedash13.3719   
395Kingfisher, GiantMegaceryle maxima11.753
397Kingfisher, MalachiteCorythornis cristatus12.006
394Kingfisher, PiedCeryle rudis13.1313
245Lapwing, BlacksmithVanellus armatus16.2828   
210Moorhen, CommonGallinula chloropus120.01307   
211Moorhen, LesserParagallinula angulata1010.0010
42Pelican, Great WhitePelecanus onocrotalus17.0019   
233Plover, Common RingedCharadrius hiaticula22.002   
241Plover, GreyPluvialis squatarola22.002   
237Plover, Kittlitz'sCharadrius pecuarius12.003   
238Plover, Three-bandedCharadrius tricollaris11.502   
235Plover, White-frontedCharadrius marginatus147.5094   
102Pochard, SouthernNetta erythrophthalma11.001   
262Sandpiper, MarshTringa stagnatilis5353.0053   
264Sandpiper, WoodTringa glareola11.001   
90Shelduck, South AfricanTadorna cana27.5013   
94Shoveler, CapeSpatula smithii16.9174   
85Spoonbill, AfricanPlatalea alba13.678   
270Stilt, Black-wingedHimantopus himantopus16.2832   
208Swamphen, AfricanPorphyrio madagascariensis11.866  
99Teal, Blue-billedSpatula hottentota12.334   
98Teal, CapeAnas capensis15.8838   
97Teal, Red-billedAnas erythrorhyncha12.675   
290Tern, CaspianHydroprogne caspia11.744   
291Tern, CommonSterna hirundo11.402   
296Tern, SandwichThalasseus sandvicensis11.001   
274Thick-knee, WaterBurhinus vermiculatus22.002   
686Wagtail, CapeMotacilla capensis12.307
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Thursday 25 July 2024 09:21
FitzPatrick Institute of African Ornithology
Department of Biological Sciences - University of Cape Town

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