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    Onrus River Estuary (34241910)

    Western Cape
    Card 512148
    Compiler 430
    Location code 34241910Onrus River Estuary (Western Cape)
    Start date 2021-07-17
    Season WWinter
    Start time 09:00
    End time 09:30
    Shoreline covered 10
    Openwater covered 50
    Total Species 23
    Total Count 85
    Wetland Condition 1Full (High tide for estuaries)
    Wetland Threats 3Overgrown by alien vegetation
    Count Condition 5Ideal
    Count Type 1On foot
    Nil Count (No birds present) 0There were CWAC species present
    Notes Clear and windless morning. Note that the mouth had been open for three weeks now, a few times massively. The De Bos dam had been 100%+ for about a month now.
    Survey notes


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    Observer NumberNameOptions

    Current data
    Ref #SpeciesCountBreeding
    Pairs    		Breeding
    indicator
    6Grebe, Little
    (Tachybaptus ruficollis)    		20
    47Cormorant, White-breasted
    (Phalacrocorax lucidus)    		30
    50Cormorant, Reed
    (Microcarbo africanus)    		40
    52Darter, African
    (Anhinga rufa)    		20
    54Heron, Grey
    (Ardea cinerea)    		20
    55Heron, Black-headed
    (Ardea melanocephala)    		10
    57Heron, Purple
    (Ardea purpurea)    		10
    61Egret, Western Cattle
    (Bubulcus ibis)    		140
    67Bittern, Little
    (Ixobrychus minutus)    		10
    69Night Heron, Black-crowned
    (Nycticorax nycticorax)    		110
    81Ibis, African Sacred
    (Threskiornis aethiopicus)    		70
    84Ibis, Hadada
    (Bostrychia hagedash)    		30
    89Goose, Egyptian
    (Alopochen aegyptiaca)    		40
    94Shoveler, Cape
    (Anas smithii)    		20
    96Duck, Yellow-billed
    (Anas undulata)    		80
    98Teal, Cape
    (Anas capensis)    		20
    208Swamphen, African
    (Porphyrio madagascariensis)    		10
    210Moorhen, Common
    (Gallinula chloropus)    		30
    212Coot, Red-knobbed
    (Fulica cristata)    		60
    274Thick-knee, Water
    (Burhinus vermiculatus)    		10
    287Gull, Kelp
    (Larus dominicanus)    		10
    394Kingfisher, Pied
    (Ceryle rudis)    		20
    686Wagtail, Cape
    (Motacilla capensis)    		40


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

    Tuesday 26 May 2026 02:45
    FitzPatrick Institute of African Ornithology
    Department of Biological Sciences - University of Cape Town

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