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Orange River: Mouth - Bridge (28381628)

Northern Cape

CWAC status REGISTERED-COUNTS SUSPENDED
Authority Northern Cape Department of Tourism, Environment and Conservation
Management status MINING PROPERTY
Conservation status PARTLY PROTECTED
IBA information SA030 - ORANGE RIVER MOUTH WETLANDS
Ramsar information ZA010 - Orange River Mouth
Heritage information
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Information 

Date_registered
1997-02-01
Brief_description
IBA and Ramsar site, important for bird breeding and migration stopover. A delta-type river mouth with a braided channel during low flow months. Has sandbars, tidal basin, narrow floodplain, marshes (Phragmites, Scirpus, Sporobolus, Sarcocornia), pans, and a saltmarsh on one bank of the river mouth. Two counts (summer and winter 1997) are available, recording a large variety of waterbirds, including globally significant counts of Kelp and Hartlaub's Gulls, and nationally significant numbers of South African Shelduck and Cape Shoveller. Large numbers of Cape Teal, Avocet, Whitefronted, Chestnutbanded, Kittlitz's and Blacksmith Plovers, and Cape Wagtail, recorded; also good numbers of White Pelican and both flamingos. A severe threat is degradation of the salt marsh through mining; important threats are hunting/poaching, boating, fishing, livestock grazing/trampling, and siltation. Count is done from the Mouth up to the Sir Ernst Oppenheimer Bridge.

SppCommon nameTaxonomic nameMinAvgMaxIBASubregional
IBA
RAMSAR
256Calidris pugnax160.83197  
255Calidris alba119.6775   
72Scopus umbretta11.502   
1016Anas platyrhynchos11.503
10015Anas hybrid33.003
269Avocet, PiedRecurvirostra avosetta71313.04891250125190
67Bittern, LittleIxobrychus minutus11.001   
212Coot, Red-knobbedFulica cristata182.35334   
48Cormorant, CapePhalacrocorax capensis1116.24984   
51Cormorant, CrownedMicrocarbo coronatus11.001   
50Cormorant, ReedMicrocarbo africanus113.2742   
47Cormorant, White-breasted Phalacrocorax lucidus3122.67466  130
267Curlew, EurasianNumenius arquata11.001   
52Darter, AfricanAnhinga rufa121.6358   
95Duck, African BlackAnas sparsa56.007   
101Duck, Fulvous WhistlingDendrocygna bicolor13.005   
103Duck, MaccoaOxyura maccoa18.2522   
10014Duck, UnidentifiedN/A N/A113.3373
96Duck, Yellow-billedAnas undulata1787.96181   
149Eagle, African FishHaliaeetus vocifer11.835
58Egret, GreatArdea alba11.001   
59Egret, LittleEgretta garzetta561.11222   
61Egret, Western CattleBubulcus ibis1195.46519   
86Flamingo, Greater Phoenicopterus roseus1179.00700 625 
87Flamingo, LesserPhoeniconaias minor2823.153002  600
44Gannet, CapeMorus capensis11.001
89Goose, EgyptianAlopochen aegyptiaca773.96366   
88Goose, Spur-wingedPlectropterus gambensis223.9375   
5Grebe, Black-neckedPodiceps nigricollis140.43125 125 
4Grebe, Great CrestedPodiceps cristatus11.001   
6Grebe, LittleTachybaptus ruficollis136.6296   
263Greenshank, CommonTringa nebularia116.3777   
932Gull, Franklin'sLeucophaeus pipixcan11.001
288Gull, Grey-headedChroicocephalus cirrocephalus12.646   
289Gull, Hartlaub'sChroicocephalus hartlaubii17251.44707250125300
287Gull, KelpLarus dominicanus15354.041098300150700
167Harrier, African MarshCircus ranivorus11.794
64Heron, BlackEgretta ardesiaca11.001   
69Heron, Black-crowned NightNycticorax nycticorax114.2435   
55Heron, Black-headedArdea melanocephala15.009   
56Heron, GoliathArdea goliath11.673   
54Heron, GreyArdea cinerea119.3057   
57Heron, PurpleArdea purpurea11.954   
62Heron, SquaccoArdeola ralloides11.001   
81Ibis, African SacredThreskiornis aethiopicus115.5060   
83Ibis, GlossyPlegadis falcinellus13.926   
84Ibis, Hadada Bostrychia hagedash12.957   
228Jacana, AfricanActophilornis africanus12.676   
285Jaeger, PomarineStercorarius pomarinus11.001
395Kingfisher, GiantMegaceryle maxima11.001
397Kingfisher, MalachiteCorythornis cristatus11.503
394Kingfisher, PiedCeryle rudis219.6346
254Knot, RedCalidris canutus17.5014   
245Lapwing, BlacksmithVanellus armatus10119.70424   
509Martin, Brown-throatedRiparia paludicola11.001
210Moorhen, CommonGallinula chloropus19.3645   
172Osprey, WesternPandion haliaetus11.001
361Owl, MarshAsio capensis12.003
231Oystercatcher, AfricanHaematopus moquini14.009   
230Painted-snipe, GreaterRostratula benghalensis22.002   
42Pelican, Great WhitePelecanus onocrotalus3124.08395  300
236Plover, Chestnut-bandedCharadrius pallidus249.05181  130
233Plover, Common RingedCharadrius hiaticula162.39206   
241Plover, GreyPluvialis squatarola18.8340   
237Plover, Kittlitz'sCharadrius pecuarius266.16248   
238Plover, Three-bandedCharadrius tricollaris117.3162   
235Plover, White-frontedCharadrius marginatus457.30164 125 
102Pochard, SouthernNetta erythrophthalma12.003   
258Sandpiper, CommonActitis hypoleucos13.6710  
251Sandpiper, CurlewCalidris ferruginea7538.481666  
262Sandpiper, MarshTringa stagnatilis111.5059   
264Sandpiper, WoodTringa glareola13.8312   
90Shelduck, South AfricanTadorna cana14193.59678420210500
94Shoveler, CapeSpatula smithii28156.00373350175350
85Spoonbill, AfricanPlatalea alba735.30124 75 
270Stilt, Black-wingedHimantopus himantopus129.2373   
253Stint, LittleCalidris minuta1337.911165   
208Swamphen, AfricanPorphyrio madagascariensis12.004  
98Teal, CapeAnas capensis7190.67470   
97Teal, Red-billedAnas erythrorhyncha249.23186   
294Tern, ArcticSterna paradisaea1414.0014  
290Tern, CaspianHydroprogne caspia125.781651356820
291Tern, CommonSterna hirundo1480.864507 40001800
300Tern, DamaraSternula balaenarum120.1458   
298Tern, Greater CrestedThalasseus bergii195.56566500250200
299Tern, LittleSternula albifrons11.001   
296Tern, SandwichThalasseus sandvicensis295.07602   
10009Tern, UnidentifiedN/A N/A3316.231500
304Tern, White-wingedChlidonias leucopterus310.0017   
274Thick-knee, WaterBurhinus vermiculatus11.001   
232Turnstone, RuddyArenaria interpres112.5849   
10008Wader, UnidentifiedN/A N/A1182.48778
685Wagtail, African PiedMotacilla aguimp13.4013
686Wagtail, CapeMotacilla capensis1768.74138
FITZ logo Ramsar Wetlands International http://www.sanbi.org/

Friday 29 March 2024 03:31
FitzPatrick Institute of African Ornithology
Department of Biological Sciences - University of Cape Town

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