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    Zwartkops River Estuary (33522538)

    Eastern Cape
    Card 510621
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2015-07-14
    Season WWinter
    Start time 07:40
    End time 13:55
    Shoreline covered 80
    Openwater covered 90
    Total Species 43
    Total Count 3273
    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 Many threats to this urban estuary. Count by boat to vantage points and by foot on mudbanks. Tide stayed out, mudbanks remained exposed resulting in an accurate count
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    0Maelle Connan
     
    0Peter Martin
     
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    6Grebe, Little
    (Tachybaptus ruficollis)    		130
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		440
    48Cormorant, Cape
    (Phalacrocorax capensis)    		4340
    50Cormorant, Reed
    (Microcarbo africanus)    		1270
    52Darter, African
    (Anhinga rufa)    		110
    54Heron, Grey
    (Ardea cinerea)    		70
    57Heron, Purple
    (Ardea purpurea)    		40
    58Egret, Great
    (Ardea alba)    		70
    59Egret, Little
    (Egretta garzetta)    		1900
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		1050
    84Ibis, Hadada
    (Bostrychia hagedash)    		40
    85Spoonbill, African
    (Platalea alba)    		720
    86Flamingo, Greater
    (Phoenicopterus roseus)    		1270
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		160
    94Shoveler, Cape
    (Anas smithii)    		30
    96Duck, Yellow-billed
    (Anas undulata)    		200
    98Teal, Cape
    (Anas capensis)    		130
    149Fish Eagle, African
    (Haliaeetus vocifer)    		20
    167Harrier, African Marsh
    (Circus ranivorus)    		10
    231Oystercatcher, African
    (Haematopus moquini)    		550
    232Turnstone, Ruddy
    (Arenaria interpres)    		1020
    233Plover, Common Ringed
    (Charadrius hiaticula)    		10
    235Plover, White-fronted
    (Charadrius marginatus)    		40
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		420
    238Plover, Three-banded
    (Charadrius tricollaris)    		40
    241Plover, Grey
    (Pluvialis squatarola)    		1020
    245Lapwing, Blacksmith
    (Vanellus armatus)    		800
    263Greenshank, Common
    (Tringa nebularia)    		220
    266Godwit, Bar-tailed
    (Limosa lapponica)    		20
    267Curlew, Eurasian
    (Numenius arquata)    		70
    268Whimbrel, Eurasian
    (Numenius phaeopus)    		1260
    270Stilt, Black-winged
    (Himantopus himantopus)    		1550
    287Gull, Kelp
    (Larus dominicanus)    		12350
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		530
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		40
    290Tern, Caspian
    (Hydroprogne caspia)    		70
    291Tern, Common
    (Sterna hirundo)    		110
    296Tern, Sandwich
    (Thalasseus sandvicensis)    		10
    298Tern, Greater Crested
    (Thalasseus bergii)    		10
    394Kingfisher, Pied
    (Ceryle rudis)    		180
    395Kingfisher, Giant
    (Megaceryle maxima)    		30
    397Kingfisher, Malachite
    (Corythornis cristatus)    		10
    686Wagtail, Cape
    (Motacilla capensis)    		370


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    Thursday 11 December 2025 11:13
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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