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    Bronkhorstspruit Dam (25542842)

    Gauteng
    Card 510131
    Compiler 613
    Location code 25542842Bronkhorstspruit Dam (Gauteng)
    Start date 2023-07-20
    Season WWinter
    Start time 20:34
    End time 11:50
    Shoreline covered 95
    Openwater covered 95
    Total Species 29
    Total Count 4331
    Wetland Condition 1Full (High tide for estuaries)
    Wetland Threats 3Overgrown by alien vegetation
    Count Condition 3Moderate
    Count Type 2by Boat
    Nil Count (No birds present) 0There were CWAC species present
    Notes Both inflows blocked by hyacinth and dam wall also heavily infested. Most of shoreline now infested. Rafts of drifting plants also seen in the middle of the dam. Mechanical removal being undertaken along urbanised shoreline. Rakes, boats modified to push hyacinth to shore and even a conveyor for lifting out gathered material being employed. Mist delayed start. Very cold and calm initially. Icy wind later.
    Survey notes


    Add additional observers
    Observer NumberNameOptions
    1764Sean West
     

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    6Grebe, Little
    (Tachybaptus ruficollis)    		160
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		60
    50Cormorant, Reed
    (Microcarbo africanus)    		70
    52Darter, African
    (Anhinga rufa)    		260
    55Heron, Black-headed
    (Ardea melanocephala)    		30
    83Ibis, Glossy
    (Plegadis falcinellus)    		10
    84Ibis, Hadada
    (Bostrychia hagedash)    		100
    88Goose, Spur-winged
    (Plectropterus gambensis)    		170
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		3763Confirmed Breeding
    90Shelduck, South African
    (Tadorna cana)    		50
    91Duck, Knob-billed
    (Sarkidiornis melanotos)    		10
    94Shoveler, Cape
    (Anas smithii)    		190
    96Duck, Yellow-billed
    (Anas undulata)    		1670
    97Teal, Red-billed
    (Anas erythrorhyncha)    		60
    99Teal, Blue-billed
    (Anas hottentota)    		20
    100Duck, White-faced Whistling
    (Dendrocygna viduata)    		10
    102Pochard, Southern
    (Netta erythrophthalma)    		150
    203Crake, Black
    (Zaporina flavirostra)    		210
    208Swamphen, African
    (Porphyrio madagascariensis)    		440Confirmed Breeding
    210Moorhen, Common
    (Gallinula chloropus)    		710
    212Coot, Red-knobbed
    (Fulica cristata)    		33880
    228Jacana, African
    (Actophilornis africanus)    		60
    238Plover, Three-banded
    (Charadrius tricollaris)    		20
    245Lapwing, Blacksmith
    (Vanellus armatus)    		420
    288Gull, Grey-headed
    (Chroicocephalus cirrocephalus)    		40
    290Tern, Caspian
    (Hydroprogne caspia)    		20
    397Kingfisher, Malachite
    (Corythornis cristatus)    		10
    686Wagtail, Cape
    (Motacilla capensis)    		610
    10004Goose, Domestic
    (Anser anser domesticus)    		110


    FITZ logo Ramsar Wetlands International http://www.sanbi.org/

    Thursday 21 November 2024 06:19
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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