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    Zwartkops River Estuary (33522538)

    Eastern Cape
    Card 510626
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2010-01-28
    Season SSummer
    Start time 08:00
    End time 13:45
    Shoreline covered 80
    Openwater covered 90
    Total Species 42
    Total Count 3925
    Wetland Condition 3Very little standing water (low tide for estuaries
    Wetland Threats 15Pollution by domestic sewage
    Count Condition 3Moderate
    Count Type 5Mixed
    Nil Count (No birds present) 0There were CWAC species present
    Notes Tide went out late and came in early. Some mudbanks covered, may have missed some waders that had already left to roost. Many threats to this urban estuary. Count by boat between vantage points and on foot on mudbanks
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    6Grebe, Little
    (Tachybaptus ruficollis)    		10
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		60
    48Cormorant, Cape
    (Phalacrocorax capensis)    		90
    50Cormorant, Reed
    (Microcarbo africanus)    		350
    54Heron, Grey
    (Ardea cinerea)    		150
    55Heron, Black-headed
    (Ardea melanocephala)    		10
    56Heron, Goliath
    (Ardea goliath)    		30
    59Egret, Little
    (Egretta garzetta)    		710
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		1240
    85Spoonbill, African
    (Platalea alba)    		10
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		180
    96Duck, Yellow-billed
    (Anas undulata)    		10
    98Teal, Cape
    (Anas capensis)    		111Confirmed Breeding
    231Oystercatcher, African
    (Haematopus moquini)    		202Confirmed Breeding
    232Turnstone, Ruddy
    (Arenaria interpres)    		4440
    233Plover, Common Ringed
    (Charadrius hiaticula)    		330
    235Plover, White-fronted
    (Charadrius marginatus)    		81Confirmed Breeding
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		371Confirmed Breeding
    239Plover, Greater Sand
    (Charadrius leschenaultii)    		230
    241Plover, Grey
    (Pluvialis squatarola)    		3380
    245Lapwing, Blacksmith
    (Vanellus armatus)    		100
    251Sandpiper, Curlew
    (Calidris ferruginea)    		6760
    253Stint, Little
    (Calidris minuta)    		160
    255, Sanderling
    (Calidris alba)    		1070
    257Sandpiper, Terek
    (Xenus cinereus)    		490
    258Sandpiper, Common
    (Actitis hypoleucos)    		10
    263Greenshank, Common
    (Tringa nebularia)    		1640
    266Godwit, Bar-tailed
    (Limosa lapponica)    		560
    267Curlew, Eurasian
    (Numenius arquata)    		150
    268Whimbrel, Eurasian
    (Numenius phaeopus)    		3330
    270Stilt, Black-winged
    (Himantopus himantopus)    		80
    287Gull, Kelp
    (Larus dominicanus)    		5040Confirmed Breeding
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		3430
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		210
    290Tern, Caspian
    (Hydroprogne caspia)    		80
    291Tern, Common
    (Sterna hirundo)    		2720
    296Tern, Sandwich
    (Thalasseus sandvicensis)    		210
    299Tern, Little
    (Sternula albifrons)    		850
    304Tern, White-winged
    (Chlidonias leucopterus)    		150
    394Kingfisher, Pied
    (Ceryle rudis)    		50
    686Wagtail, Cape
    (Motacilla capensis)    		120
    10004Goose, Domestic
    (Anser anser domesticus)    		50


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    Thursday 11 December 2025 11:10
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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