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    Zandvlei: Upper Estuary (34061828)

    Western Cape
    Card 503960
    Compiler 10691
    Location code 34061828Zandvlei: Upper Estuary (Western Cape)
    Start date 2013-01-19
    Season SSummer
    Start time 06:05
    End time 10:45
    Shoreline covered 90
    Openwater covered 95
    Total Species 36
    Total Count 1038
    Wetland Condition 1Full (High tide for estuaries)
    Wetland Threats
    Count Condition 4Good
    Count Type 5Mixed
    Nil Count (No birds present) 0There were CWAC species present
    Notes Condition of wetland - The Zandvlei estuary mouth was closed by management methods for December 2012 and January 2013 peak season for public safety reasons. The weather was clear, sunny with a moderate SE wind varying at an estimated 5 to 10 knots. The preceding weeks have had very high wind conditons and this could have influenced the specie and bird numbers for the count. eg the Flamingos were in the Central Pan in the Nature Reserve today where they have been near the second bend of the estary mouth for nearly 4 months. It is more sheltered in the Central Pan. The pondweed has not regrown fully yet and there was a lack of ducks in the main water body. There was a sailing school active for children in the scout basin which had no bird presence. They were in a deliniated area. The general activity would have precluded water birds from the greater basin with the movement of the windsurfers, standup boards and small yachts, the colour and the excited noise.  Barry and Val Cleveland counted the northern Marina channels and the Night Heron roost area by canoe. They also commented that the vlei was very quiet of bird activity on the day. The surprise and delight was the Greater Painted Snipe seen on the western shore near the Scout base by Lee and Mel. There were no Zandvlei Nature Reserve staff on duty this day.
    Survey notes


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    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    4Grebe, Great Crested
    (Podiceps cristatus)    		140
    6Grebe, Little
    (Tachybaptus ruficollis)    		10
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		100
    48Cormorant, Cape
    (Phalacrocorax capensis)    		100
    50Cormorant, Reed
    (Microcarbo africanus)    		170
    52Darter, African
    (Anhinga rufa)    		100
    54Heron, Grey
    (Ardea cinerea)    		30
    55Heron, Black-headed
    (Ardea melanocephala)    		10
    57Heron, Purple
    (Ardea purpurea)    		20
    59Egret, Little
    (Egretta garzetta)    		70
    61Egret, Western Cattle
    (Bubulcus ibis)    		30
    69Heron, Black-crowned Night
    (Nycticorax nycticorax)    		40
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		20
    84Ibis, Hadada
    (Bostrychia hagedash)    		20
    86Flamingo, Greater
    (Phoenicopterus roseus)    		100
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		500
    96Duck, Yellow-billed
    (Anas undulata)    		1000
    98Teal, Cape
    (Anas capensis)    		110
    149Eagle, African Fish
    (Haliaeetus vocifer)    		10
    210Moorhen, Common
    (Gallinula chloropus)    		30
    212Coot, Red-knobbed
    (Fulica cristata)    		5310
    230Painted-snipe, Greater
    (Rostratula benghalensis)    		10
    245Lapwing, Blacksmith
    (Vanellus armatus)    		10
    263Greenshank, Common
    (Tringa nebularia)    		10
    270Stilt, Black-winged
    (Himantopus himantopus)    		130
    287Gull, Kelp
    (Larus dominicanus)    		230
    289Gull, Hartlaub's
    (Chroicocephalus hartlaubii)    		420
    290Tern, Caspian
    (Hydroprogne caspia)    		80
    291Tern, Common
    (Sterna hirundo)    		40
    298Tern, Greater Crested
    (Thalasseus bergii)    		20
    305Tern, Whiskered
    (Chlidonias hybrida)    		20
    394Kingfisher, Pied
    (Ceryle rudis)    		30
    397Kingfisher, Malachite
    (Corythornis cristatus)    		10
    686Wagtail, Cape
    (Motacilla capensis)    		50
    10006Duck, Domestic
    (Anas platyrhynchos)    		170
    10015, Hybrid Mallard
    (Anas hybrid)    		1230


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    Saturday 27 April 2024 09:57
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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