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    Zwartkops River Estuary (33522538)

    Eastern Cape
    Card 510768
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2021-07-10
    Season WWinter
    Start time 08:45
    End time 15:55
    Shoreline covered 80
    Openwater covered 90
    Total Species 46
    Total Count 4318
    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 Banks remained exposed during count. Boat to vantage points, by foot on mudbanks. Many threats to this urban estuary.
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    0Arthur Rump
     
    0Rod Lockhead
     
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    6Grebe, Little
    (Tachybaptus ruficollis)    		170
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		370
    48Cormorant, Cape
    (Phalacrocorax capensis)    		8910
    50Cormorant, Reed
    (Microcarbo africanus)    		1270
    52Darter, African
    (Anhinga rufa)    		90
    54Heron, Grey
    (Ardea cinerea)    		200
    55Heron, Black-headed
    (Ardea melanocephala)    		10
    56Heron, Goliath
    (Ardea goliath)    		10
    57Heron, Purple
    (Ardea purpurea)    		30
    58Egret, Great
    (Ardea alba)    		80
    59Egret, Little
    (Egretta garzetta)    		1380
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		1200
    85Spoonbill, African
    (Platalea alba)    		390
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		60
    94Shoveler, Cape
    (Anas smithii)    		20
    96Duck, Yellow-billed
    (Anas undulata)    		20
    98Teal, Cape
    (Anas capensis)    		70
    149Fish Eagle, African
    (Haliaeetus vocifer)    		30
    231Oystercatcher, African
    (Haematopus moquini)    		580
    232Turnstone, Ruddy
    (Arenaria interpres)    		660
    235Plover, White-fronted
    (Charadrius marginatus)    		710
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		330
    238Plover, Three-banded
    (Charadrius tricollaris)    		90
    239Plover, Greater Sand
    (Charadrius leschenaultii)    		10
    241Plover, Grey
    (Pluvialis squatarola)    		1620
    245Lapwing, Blacksmith
    (Vanellus armatus)    		820
    251Sandpiper, Curlew
    (Calidris ferruginea)    		10
    255, Sanderling
    (Calidris alba)    		30
    257Sandpiper, Terek
    (Xenus cinereus)    		160
    263Greenshank, Common
    (Tringa nebularia)    		200
    266Godwit, Bar-tailed
    (Limosa lapponica)    		110
    267Curlew, Eurasian
    (Numenius arquata)    		10
    268Whimbrel, Eurasian
    (Numenius phaeopus)    		1510
    270Stilt, Black-winged
    (Himantopus himantopus)    		1640
    274Thick-knee, Water
    (Burhinus vermiculatus)    		40
    287Gull, Kelp
    (Larus dominicanus)    		16970
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		1460
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		200
    290Tern, Caspian
    (Hydroprogne caspia)    		130
    291Tern, Common
    (Sterna hirundo)    		70
    296Tern, Sandwich
    (Thalasseus sandvicensis)    		50
    298Tern, Greater Crested
    (Thalasseus bergii)    		930
    394Kingfisher, Pied
    (Ceryle rudis)    		210
    395Kingfisher, Giant
    (Megaceryle maxima)    		20
    686Wagtail, Cape
    (Motacilla capensis)    		260
    10004Goose, Domestic
    (Anser anser domesticus)    		40


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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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