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    Zwartkops River Estuary (33522538)

    Eastern Cape
    Card 510622
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2016-01-08
    Season SSummer
    Start time 07:40
    End time 14:00
    Shoreline covered 80
    Openwater covered 90
    Total Species 42
    Total Count 5396
    Wetland Condition 3Very little standing water (low tide for estuaries
    Wetland Threats 15Pollution by domestic sewage
    Count Condition 5Ideal
    Count Type 5Mixed
    Nil Count (No birds present) 0There were CWAC species present
    Notes Tide went out early & stayed out - banks remained exposed, therefore good accurate count. Many threats to this urban estuary. Count by boat to vantage points and by foot on mudbanks
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    0Arthur Rump
     
    0Nadine Strydom
     
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		40
    48Cormorant, Cape
    (Phalacrocorax capensis)    		160
    50Cormorant, Reed
    (Microcarbo africanus)    		200
    54Heron, Grey
    (Ardea cinerea)    		140
    55Heron, Black-headed
    (Ardea melanocephala)    		10
    56Heron, Goliath
    (Ardea goliath)    		10
    59Egret, Little
    (Egretta garzetta)    		690
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		1300
    85Spoonbill, African
    (Platalea alba)    		240
    86Flamingo, Greater
    (Phoenicopterus roseus)    		1550
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		620
    98Teal, Cape
    (Anas capensis)    		20
    167Harrier, African Marsh
    (Circus ranivorus)    		10
    172Osprey, Western
    (Pandion haliaetus)    		10
    231Oystercatcher, African
    (Haematopus moquini)    		315Confirmed Breeding
    232Turnstone, Ruddy
    (Arenaria interpres)    		5260
    233Plover, Common Ringed
    (Charadrius hiaticula)    		820
    235Plover, White-fronted
    (Charadrius marginatus)    		190
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		260
    239Plover, Greater Sand
    (Charadrius leschenaultii)    		150
    241Plover, Grey
    (Pluvialis squatarola)    		4210
    245Lapwing, Blacksmith
    (Vanellus armatus)    		930
    251Sandpiper, Curlew
    (Calidris ferruginea)    		8920
    253Stint, Little
    (Calidris minuta)    		20
    255, Sanderling
    (Calidris alba)    		860
    257Sandpiper, Terek
    (Xenus cinereus)    		330
    258Sandpiper, Common
    (Actitis hypoleucos)    		50
    263Greenshank, Common
    (Tringa nebularia)    		1860
    266Godwit, Bar-tailed
    (Limosa lapponica)    		90
    267Curlew, Eurasian
    (Numenius arquata)    		60
    268Whimbrel, Eurasian
    (Numenius phaeopus)    		5310
    270Stilt, Black-winged
    (Himantopus himantopus)    		600
    287Gull, Kelp
    (Larus dominicanus)    		8880
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		3490
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		190
    290Tern, Caspian
    (Hydroprogne caspia)    		120
    291Tern, Common
    (Sterna hirundo)    		3530
    293Tern, Roseate
    (Sterna dougallii)    		10
    296Tern, Sandwich
    (Thalasseus sandvicensis)    		1780
    299Tern, Little
    (Sternula albifrons)    		560
    394Kingfisher, Pied
    (Ceryle rudis)    		40
    686Wagtail, Cape
    (Motacilla capensis)    		130


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    Thursday 11 December 2025 11:08
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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