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    Zwartkops River Estuary (33522538)

    Eastern Cape

    Card 511974
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2026-01-19
    Season SSummer
    Start time 08:15
    End time 15:40
    Shoreline covered 80
    Openwater covered 90
    Total Species 47
    Total Count 5504
    Wetland Condition 3Very little standing water (low tide for estuaries
    Wetland Threats 15Pollution by domestic sewage
    Count Condition 4Good
    Count Type 5Mixed
    Nil Count (No birds present) 0There were CWAC species present
    Notes Some mudbanks partially covered by time we got to count them. Many threats to this urban estuary. Boat and foot used to travel between vantage points. More reeds establishing in upper reaches (more nutrients & freshwater from sewerage).
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    0Arthur Rump
     
    0Louis du Plessis
     
    0Peter Newton
     
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs
    Breeding
    indicator
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)
    30
    48Cormorant, Cape
    (Phalacrocorax capensis)
    30
    50Cormorant, Reed
    (Microcarbo africanus)
    600
    52Darter, African
    (Anhinga rufa)
    30
    54Heron, Grey
    (Ardea cinerea)
    190
    55Heron, Black-headed
    (Ardea melanocephala)
    20
    56Heron, Goliath
    (Ardea goliath)
    40
    58Egret, Great
    (Ardea alba)
    10
    59Egret, Little
    (Egretta garzetta)
    1000
    61Egret, Western Cattle
    (Bubulcus ibis)
    90
    81Ibis, African Sacred
    (Threskiornis aethiopicus)
    630
    85Spoonbill, African
    (Platalea alba)
    10
    88Goose, Spur-winged
    (Plectropterus gambensis)
    50
    89Goose, Egyptian
    (Alopochen aegyptiaca)
    720
    172Osprey, Western
    (Pandion haliaetus)
    10
    231Oystercatcher, African
    (Haematopus moquini)
    530Confirmed Breeding
    232Turnstone, Ruddy
    (Arenaria interpres)
    2350
    233Plover, Common Ringed
    (Charadrius hiaticula)
    930
    235Plover, White-fronted
    (Charadrius marginatus)
    270Confirmed Breeding
    237Plover, Kittlitz's
    (Charadrius pecuarius)
    80
    238Plover, Three-banded
    (Charadrius tricollaris)
    30
    239Plover, Greater Sand
    (Charadrius leschenaultii)
    40
    241Plover, Grey
    (Pluvialis squatarola)
    5100
    245Lapwing, Blacksmith
    (Vanellus armatus)
    500
    251Sandpiper, Curlew
    (Calidris ferruginea)
    2840
    253Stint, Little
    (Calidris minuta)
    280
    254Knot, Red
    (Calidris canutus)
    50
    255, Sanderling
    (Calidris alba)
    1740
    257Sandpiper, Terek
    (Xenus cinereus)
    620
    258Sandpiper, Common
    (Actitis hypoleucos)
    30
    263Greenshank, Common
    (Tringa nebularia)
    1240
    266Godwit, Bar-tailed
    (Limosa lapponica)
    980
    267Curlew, Eurasian
    (Numenius arquata)
    30
    268Whimbrel, Eurasian
    (Numenius phaeopus)
    6920
    270Stilt, Black-winged
    (Himantopus himantopus)
    10
    287Gull, Kelp
    (Larus dominicanus)
    12240
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)
    7630
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)
    860
    290Tern, Caspian
    (Hydroprogne caspia)
    140
    291Tern, Common
    (Sterna hirundo)
    4560
    296Tern, Sandwich
    (Thalasseus sandvicensis)
    480
    298Tern, Greater Crested
    (Thalasseus bergii)
    30
    299Tern, Little
    (Sternula albifrons)
    860
    300Tern, Damara
    (Sternula balaenarum)
    30
    394Kingfisher, Pied
    (Ceryle rudis)
    60
    395Kingfisher, Giant
    (Megaceryle maxima)
    10
    686Wagtail, Cape
    (Motacilla capensis)
    110


    FITZ logo   Ramsar Wetlands International https://www.sanbi.org/

    Wednesday 18 March 2026 02:02
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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