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Rietvlei and Marais Dams (25532817)

Gauteng

CWAC status REGISTERED-COUNTED REGULARLY
Authority Gauteng Department of Agriculture, Conservation and Environment
Management status PROVINCIAL GAME/NATURE RESERVE
Conservation status PROTECTED
IBA information
Ramsar information
Heritage information
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Information 

Date_registered
1997-01-01
Brief_description
Two dams in a 3200 ha nature reserve. This site was counted in 1997, when 29 waterbird species were recorded, 22 in summer and 23 in winter. The summer count yielded good numbers of Cattle Egret and reasonable numbers of Darter and Sacred Ibis, while the winter count yielded good numbers of Dabchick, Whitebreasted Cormorant and Egyptian Goose. Redknobbed Coot is numerous, especially in winter. The spread of Black Wattle is a potential threat.

SppCommon nameTaxonomic nameMinAvgMaxIBASubregional
IBA
RAMSAR
1016Anas platyrhynchos12.737
72Scopus umbretta11.362   
256Calidris pugnax11.502  
273Dromas ardeola00.000 
269Avocet, PiedRecurvirostra avosetta55.005   
66Bittern, DwarfIxobrychus sturmii11.001   
71Bittern, EurasianBotaurus stellaris11.001   
67Bittern, LittleIxobrychus minutus12.458   
212Coot, Red-knobbedFulica cristata0332.221140   
50Cormorant, ReedMicrocarbo africanus885.48269   
47Cormorant, White-breastedPhalacrocorax lucidus376.58243  130
199Crake, AfricanCrex egregia1111.0011-1
203Crake, BlackZaporina flavirostra14.9216
52Darter, AfricanAnhinga rufa265.22288 250 
95Duck, African BlackAnas sparsa14.4621   
10006Duck, DomesticAnas platyrhynchos domesticus11.001
10005Duck, HybridAnas hybrid33.003
10034Duck, Hyrbid Mallard/Yellow-billedAnas platyrhynchos x undulata14.009
91Duck, Knob-billedSarkidiornis melanotos1818.0018   
10003Duck, MuscovyCairina moschata11.673
10014Duck, UnidentifiedAnas sp.11.673
104Duck, White-backedThalassornis leuconotus11.673   
100Duck, White-faced WhistlingDendrocygna viduata14.006   
96Duck, Yellow-billedAnas undulata270.40204   
58Egret, GreatArdea alba13.4012   
60Egret, Intermediate [x]Ardea intermedia119.0037   
59Egret, LittleEgretta garzetta14.3012   
61Egret, Western CattleBubulcus ibis1347.612200   
149Fish Eagle, AfricanHaliaeetus vocifer11.684
10004Goose, DomesticAnser anser domesticus11.001
89Goose, EgyptianAlopochen aegyptiaca3101.49246   
88Goose, Spur-wingedPlectropterus gambensis14.3315   
5Grebe, Black-neckedPodiceps nigricollis22.002   
4Grebe, Great CrestedPodiceps cristatus18.0544 25 
6Grebe, LittleTachybaptus ruficollis174.87414 250 
263Greenshank, CommonTringa nebularia24.337   
288Gull, Grey-headedChroicocephalus cirrocephalus113.0871   
64Heron, BlackEgretta ardesiaca23.137   
55Heron, Black-headedArdea melanocephala13.7536   
56Heron, GoliathArdea goliath11.001   
54Heron, GreyArdea cinerea11.434   
14879Heron, LittleButorides atricapilla55.005
57Heron, PurpleArdea purpurea11.655   
62Heron, SquaccoArdeola ralloides12.5920   
63Heron, Striated (NOTE: use Little Heron)Butorides striata11.594   
81Ibis, African SacredThreskiornis aethiopicus1132.98611   
83Ibis, GlossyPlegadis falcinellus114.3358   
84Ibis, HadadaBostrychia hagedash111.4844   
228Jacana, AfricanActophilornis africanus11.502   
395Kingfisher, GiantMegaceryle maxima11.703
396Kingfisher, Half-collaredAlcedo semitorquata11.001
397Kingfisher, MalachiteCorythornis cristatus11.894
394Kingfisher, PiedCeryle rudis12.255
247Lapwing, African WattledVanellus senegallus13.008   
245Lapwing, BlacksmithVanellus armatus230.23124   
10015Mallard, HybridAnas hybrid13.008
509Martin, Brown-throatedRiparia paludicola11.001
210Moorhen, CommonGallinula chloropus253.22323   
211Moorhen, LesserParagallinula angulata11.001
69Night Heron, Black-crownedNycticorax nycticorax12.838   
361Owl, MarshAsio capensis11.001
42Pelican, Great WhitePelecanus onocrotalus11.001   
238Plover, Three-bandedCharadrius tricollaris15.3927   
1296Pochard, CommonAythya ferina66.006
102Pochard, SouthernNetta erythrophthalma19.7147   
197Rail, AfricanRallus caerulescens11.673-1
258Sandpiper, CommonActitis hypoleucos12.678  
251Sandpiper, CurlewCalidris ferruginea11.502  
259Sandpiper, GreenTringa ochropus11.001
262Sandpiper, MarshTringa stagnatilis77.007   
264Sandpiper, WoodTringa glareola15.7119   
90Shelduck, South AfricanTadorna cana16.1030   
94Shoveler, CapeAnas smithii13.008   
250Snipe, AfricanGallinago nigripennis12.004   
85Spoonbill, AfricanPlatalea alba12.005   
270Stilt, Black-wingedHimantopus himantopus14.007   
253Stint, LittleCalidris minuta24.507   
208Swamphen, AfricanPorphyrio madagascariensis12.6110  
99Teal, Blue-billedAnas hottentota12.445   
98Teal, CapeAnas capensis12.004   
97Teal, Red-billedAnas erythrorhyncha15.0515   
290Tern, CaspianHydroprogne caspia11.502   
10009Tern, UnidentifiedN/A N/A22.002
305Tern, WhiskeredChlidonias hybrida19.3327   
304Tern, White-wingedChlidonias leucopterus16.8027   
10008Wader, UnidentifiedN/A N/A14.3310
685Wagtail, African PiedMotacilla aguimp12.254
686Wagtail, CapeMotacilla capensis18.2832
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Thursday 10 September 2026 02:58
FitzPatrick Institute of African Ornithology
Department of Biological Sciences - University of Cape Town

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