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    Zandvlei: Lower Estuary (34071828)

    Western Cape
    Card 501876
    Compiler 10691
    Location code 34071828Zandvlei: Lower Estuary (Western Cape)
    Start date 2011-10-22
    Season OOther
    Start time 08:30
    End time 10:30
    Shoreline covered 95
    Openwater covered 95
    Total Species 46
    Total Count 884
    Wetland Condition 2Partially full (mid tide for estuaries)
    Wetland Threats
    Count Condition 1Bad
    Count Type 5Mixed
    Nil Count (No birds present) 0There were CWAC species present
    Notes Alice Ashwell and Pat Garratt in a canoe counted the Marina cannals from the southern side of Park Island bridge to Battleridge canal. Margit van Heeren counted the Caravan Park land and coves and Park Island land and coves. The estuary mouth was open and the water level was low on the western shoreline at least 60cm below the high watermark. The Cape Town International Kite Festival was operational with no apparent effect on the birds present in the lower estuary. The wind was so strong that all the international kite flying was suspended for the afternoon.
    Survey notes


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    Observer NumberNameOptions

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    4Grebe, Great Crested
    (Podiceps cristatus)    		270Probably Breeding
    6Grebe, Little
    (Tachybaptus ruficollis)    		100
    42Pelican, Great White
    (Pelecanus onocrotalus)    		10
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		50
    50Cormorant, Reed
    (Microcarbo africanus)    		20
    52Darter, African
    (Anhinga rufa)    		10
    54Heron, Grey
    (Ardea cinerea)    		10
    57Heron, Purple
    (Ardea purpurea)    		10
    59Egret, Little
    (Egretta garzetta)    		20Probably Breeding
    61Egret, Western Cattle
    (Bubulcus ibis)    		30
    67Bittern, Little
    (Ixobrychus minutus)    		10
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		60
    83Ibis, Glossy
    (Plegadis falcinellus)    		50
    84Ibis, Hadada
    (Bostrychia hagedash)    		50Probably Breeding
    85Spoonbill, African
    (Platalea alba)    		30
    86Flamingo, Greater
    (Phoenicopterus roseus)    		1070
    88Goose, Spur-winged
    (Plectropterus gambensis)    		70
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		20
    90Shelduck, South African
    (Tadorna cana)    		130
    94Shoveler, Cape
    (Anas smithii)    		350
    96Duck, Yellow-billed
    (Anas undulata)    		30
    98Teal, Cape
    (Anas capensis)    		160
    99Teal, Blue-billed
    (Anas hottentota)    		40
    104Duck, White-backed
    (Thalassornis leuconotus)    		730
    210Moorhen, Common
    (Gallinula chloropus)    		50
    212Coot, Red-knobbed
    (Fulica cristata)    		110Probably Breeding
    235Plover, White-fronted
    (Charadrius marginatus)    		940
    237Plover, Kittlitz's
    (Charadrius pecuarius)    		10
    238Plover, Three-banded
    (Charadrius tricollaris)    		20
    241Plover, Grey
    (Pluvialis squatarola)    		20
    245Lapwing, Blacksmith
    (Vanellus armatus)    		80
    262Sandpiper, Marsh
    (Tringa stagnatilis)    		530
    269Avocet, Pied
    (Recurvirostra avosetta)    		530
    270Stilt, Black-winged
    (Himantopus himantopus)    		320
    274Thick-knee, Water
    (Burhinus vermiculatus)    		20
    287Gull, Kelp
    (Larus dominicanus)    		320
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		530
    290Tern, Caspian
    (Hydroprogne caspia)    		10
    291Tern, Common
    (Sterna hirundo)    		30
    394Kingfisher, Pied
    (Ceryle rudis)    		10
    397Kingfisher, Malachite
    (Corythornis cristatus)    		10
    686Wagtail, Cape
    (Motacilla capensis)    		70
    1016, Mallard
    (Anas platyrhynchos)    		90
    10005Duck, Hybrid
    (Anas hybrid)    		230
    10006Duck, Domestic
    (Anas platyrhynchos domesticus)    		410
    10015Mallard, Hybrid
    (Anas hybrid)    		1170Confirmed Breeding


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    Sunday 02 November 2025 11:24
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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