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    Zwartkops River Estuary (33522538)

    Eastern Cape
    Card 510620
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2015-01-18
    Season SSummer
    Start time 07:00
    End time 13:30
    Shoreline covered 80
    Openwater covered 90
    Total Species 48
    Total Count 6061
    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, banks exposed, allowing good count
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    0Arthur Rump
     
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		160
    48Cormorant, Cape
    (Phalacrocorax capensis)    		140
    50Cormorant, Reed
    (Microcarbo africanus)    		560
    54Heron, Grey
    (Ardea cinerea)    		120
    55Heron, Black-headed
    (Ardea melanocephala)    		30
    56Heron, Goliath
    (Ardea goliath)    		30
    58Egret, Great
    (Ardea alba)    		10
    59Egret, Little
    (Egretta garzetta)    		640
    61Egret, Western Cattle
    (Bubulcus ibis)    		90
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		1310
    85Spoonbill, African
    (Platalea alba)    		60
    86Flamingo, Greater
    (Phoenicopterus roseus)    		500
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		482Confirmed Breeding
    96Duck, Yellow-billed
    (Anas undulata)    		10
    98Teal, Cape
    (Anas capensis)    		40
    167Harrier, African Marsh
    (Circus ranivorus)    		10
    231Oystercatcher, African
    (Haematopus moquini)    		323Confirmed Breeding
    232Turnstone, Ruddy
    (Arenaria interpres)    		8590
    233Plover, Common Ringed
    (Charadrius hiaticula)    		810
    235Plover, White-fronted
    (Charadrius marginatus)    		40
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		70
    238Plover, Three-banded
    (Charadrius tricollaris)    		40
    239Plover, Greater Sand
    (Charadrius leschenaultii)    		140
    241Plover, Grey
    (Pluvialis squatarola)    		5170
    245Lapwing, Blacksmith
    (Vanellus armatus)    		741Confirmed Breeding
    251Sandpiper, Curlew
    (Calidris ferruginea)    		11730
    253Stint, Little
    (Calidris minuta)    		140
    254Knot, Red
    (Calidris canutus)    		10
    255, Sanderling
    (Calidris alba)    		2150
    257Sandpiper, Terek
    (Xenus cinereus)    		460
    258Sandpiper, Common
    (Actitis hypoleucos)    		20
    263Greenshank, Common
    (Tringa nebularia)    		2130
    266Godwit, Bar-tailed
    (Limosa lapponica)    		270
    267Curlew, Eurasian
    (Numenius arquata)    		100
    268Whimbrel, Eurasian
    (Numenius phaeopus)    		5660
    269Avocet, Pied
    (Recurvirostra avosetta)    		60
    270Stilt, Black-winged
    (Himantopus himantopus)    		170
    274Thick-knee, Water
    (Burhinus vermiculatus)    		10
    287Gull, Kelp
    (Larus dominicanus)    		10680
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		2680
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		100
    290Tern, Caspian
    (Hydroprogne caspia)    		50
    291Tern, Common
    (Sterna hirundo)    		2800
    296Tern, Sandwich
    (Thalasseus sandvicensis)    		400
    299Tern, Little
    (Sternula albifrons)    		560
    304Tern, White-winged
    (Chlidonias leucopterus)    		60
    394Kingfisher, Pied
    (Ceryle rudis)    		70
    686Wagtail, Cape
    (Motacilla capensis)    		190


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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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