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    Zwartkops River Estuary (33522538)

    Eastern Cape
    Card 510623
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2016-07-19
    Season WWinter
    Start time 08:20
    End time 14:20
    Shoreline covered 80
    Openwater covered 90
    Total Species 40
    Total Count 3263
    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 Counted all banks before tide came in and covered them - hence accurate count. Many threats to this urban estuary. Boat to vantage points then on foot on mudbanks. Drought since Oct 2015 so all vleis in area dry - so maybe larger numbers of e.g. Black-winged Stilt
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    0Arthur Rump
     
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    6Grebe, Little
    (Tachybaptus ruficollis)    		130
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		310
    48Cormorant, Cape
    (Phalacrocorax capensis)    		4120
    50Cormorant, Reed
    (Microcarbo africanus)    		550
    52Darter, African
    (Anhinga rufa)    		20
    54Heron, Grey
    (Ardea cinerea)    		80
    55Heron, Black-headed
    (Ardea melanocephala)    		40
    58Egret, Great
    (Ardea alba)    		10
    59Egret, Little
    (Egretta garzetta)    		1200
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		1070
    85Spoonbill, African
    (Platalea alba)    		350
    86Flamingo, Greater
    (Phoenicopterus roseus)    		1630
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		20
    94Shoveler, Cape
    (Anas smithii)    		40
    96Duck, Yellow-billed
    (Anas undulata)    		240
    98Teal, Cape
    (Anas capensis)    		40
    167Harrier, African Marsh
    (Circus ranivorus)    		10
    212Coot, Red-knobbed
    (Fulica cristata)    		50
    231Oystercatcher, African
    (Haematopus moquini)    		520
    232Turnstone, Ruddy
    (Arenaria interpres)    		170
    235Plover, White-fronted
    (Charadrius marginatus)    		150
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		210
    238Plover, Three-banded
    (Charadrius tricollaris)    		150
    241Plover, Grey
    (Pluvialis squatarola)    		330
    245Lapwing, Blacksmith
    (Vanellus armatus)    		1610
    261Redshank, Common
    (Tringa totanus)    		10
    263Greenshank, Common
    (Tringa nebularia)    		320
    267Curlew, Eurasian
    (Numenius arquata)    		60
    268Whimbrel, Eurasian
    (Numenius phaeopus)    		1910
    270Stilt, Black-winged
    (Himantopus himantopus)    		3150
    274Thick-knee, Water
    (Burhinus vermiculatus)    		20
    287Gull, Kelp
    (Larus dominicanus)    		12620
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		320
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		10
    290Tern, Caspian
    (Hydroprogne caspia)    		190
    291Tern, Common
    (Sterna hirundo)    		110
    296Tern, Sandwich
    (Thalasseus sandvicensis)    		90
    298Tern, Greater Crested
    (Thalasseus bergii)    		160
    394Kingfisher, Pied
    (Ceryle rudis)    		190
    686Wagtail, Cape
    (Motacilla capensis)    		420


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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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