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    Zwartkops River Estuary (33522538)

    Eastern Cape
    Card 510683
    Compiler 2
    Location code 33522538Zwartkops River Estuary (Eastern Cape)
    Start date 2012-01-22
    Season SSummer
    Start time 08:00
    End time 14:25
    Shoreline covered 80
    Openwater covered 90
    Total Species 43
    Total Count 4663
    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 Tide low and stayed out for whole count. Many threats to this urban estuary. Boat to vantage points along river and by foot on mudbanks
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    0Arthur Rump
     
    2Paul Martin
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		180
    48Cormorant, Cape
    (Phalacrocorax capensis)    		120
    50Cormorant, Reed
    (Microcarbo africanus)    		700
    54Heron, Grey
    (Ardea cinerea)    		140
    56Heron, Goliath
    (Ardea goliath)    		20
    59Egret, Little
    (Egretta garzetta)    		510
    61Egret, Western Cattle
    (Bubulcus ibis)    		60
    69Night Heron, Black-crowned
    (Nycticorax nycticorax)    		10
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		1490
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		500
    167Harrier, African Marsh
    (Circus ranivorus)    		10
    172Osprey, Western
    (Pandion haliaetus)    		10
    231Oystercatcher, African
    (Haematopus moquini)    		331Confirmed Breeding
    232Turnstone, Ruddy
    (Arenaria interpres)    		4120
    233Plover, Common Ringed
    (Charadrius hiaticula)    		970
    235Plover, White-fronted
    (Charadrius marginatus)    		450
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		331Confirmed Breeding
    238Plover, Three-banded
    (Charadrius tricollaris)    		10
    239Plover, Greater Sand
    (Charadrius leschenaultii)    		360
    241Plover, Grey
    (Pluvialis squatarola)    		4440
    245Lapwing, Blacksmith
    (Vanellus armatus)    		750
    251Sandpiper, Curlew
    (Calidris ferruginea)    		5760
    253Stint, Little
    (Calidris minuta)    		520
    254Knot, Red
    (Calidris canutus)    		50
    255, Sanderling
    (Calidris alba)    		1750
    257Sandpiper, Terek
    (Xenus cinereus)    		430
    258Sandpiper, Common
    (Actitis hypoleucos)    		30
    263Greenshank, Common
    (Tringa nebularia)    		1600
    266Godwit, Bar-tailed
    (Limosa lapponica)    		160
    267Curlew, Eurasian
    (Numenius arquata)    		170
    268Whimbrel, Eurasian
    (Numenius phaeopus)    		3880
    270Stilt, Black-winged
    (Himantopus himantopus)    		50
    287Gull, Kelp
    (Larus dominicanus)    		10090Confirmed Breeding
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		1600
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		140
    290Tern, Caspian
    (Hydroprogne caspia)    		40
    291Tern, Common
    (Sterna hirundo)    		2850
    296Tern, Sandwich
    (Thalasseus sandvicensis)    		300
    299Tern, Little
    (Sternula albifrons)    		1030
    304Tern, White-winged
    (Chlidonias leucopterus)    		410
    394Kingfisher, Pied
    (Ceryle rudis)    		60
    686Wagtail, Cape
    (Motacilla capensis)    		170
    10004Goose, Domestic
    (Anser anser domesticus)    		30


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    Thursday 11 December 2025 11:12
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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