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    Zwartkops River Estuary (33522538)

    Eastern Cape
    Card 510663
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2010-07-26
    Season WWinter
    Start time 09:45
    End time 14:15
    Shoreline covered 80
    Openwater covered 90
    Total Species 36
    Total Count 2809
    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 Tide remained low throughout count. Many threats to this urban estuary. Count by boat to vantage points and by foot on mudbanks
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    0Ross Zeitsman
     
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    6Grebe, Little
    (Tachybaptus ruficollis)    		40
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		1190
    48Cormorant, Cape
    (Phalacrocorax capensis)    		2090
    50Cormorant, Reed
    (Microcarbo africanus)    		1420
    52Darter, African
    (Anhinga rufa)    		20
    54Heron, Grey
    (Ardea cinerea)    		60
    55Heron, Black-headed
    (Ardea melanocephala)    		10
    56Heron, Goliath
    (Ardea goliath)    		20
    57Heron, Purple
    (Ardea purpurea)    		30
    59Egret, Little
    (Egretta garzetta)    		970
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		620
    85Spoonbill, African
    (Platalea alba)    		380
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		60
    96Duck, Yellow-billed
    (Anas undulata)    		40
    98Teal, Cape
    (Anas capensis)    		130
    212Coot, Red-knobbed
    (Fulica cristata)    		10
    231Oystercatcher, African
    (Haematopus moquini)    		250
    232Turnstone, Ruddy
    (Arenaria interpres)    		270
    235Plover, White-fronted
    (Charadrius marginatus)    		390
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		670
    238Plover, Three-banded
    (Charadrius tricollaris)    		20
    241Plover, Grey
    (Pluvialis squatarola)    		740
    245Lapwing, Blacksmith
    (Vanellus armatus)    		890
    263Greenshank, Common
    (Tringa nebularia)    		350
    266Godwit, Bar-tailed
    (Limosa lapponica)    		30
    267Curlew, Eurasian
    (Numenius arquata)    		20
    268Whimbrel, Eurasian
    (Numenius phaeopus)    		1400
    270Stilt, Black-winged
    (Himantopus himantopus)    		920
    287Gull, Kelp
    (Larus dominicanus)    		13930
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		430
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		150
    290Tern, Caspian
    (Hydroprogne caspia)    		30
    296Tern, Sandwich
    (Thalasseus sandvicensis)    		20
    394Kingfisher, Pied
    (Ceryle rudis)    		160
    686Wagtail, Cape
    (Motacilla capensis)    		280
    10004Goose, Domestic
    (Anser anser domesticus)    		50


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

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