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German wasp | Vespula germanica

German wasp

Vespula germanica

Coral bush | Ardisia crenata

Coral bush

Ardisia crenata

Purple loosestrife | Lythrum salicaria

Purple loosestrife

Lythrum salicaria

Pom pom weed | Campuloclinium macrocephalum

Pom pom weed

Campuloclinium macrocephalum

Canarybird bush | Crotalaria agatiflora

Canarybird bush

Crotalaria agatiflora

Peanut butter cassia | Senna didymobotrya

Peanut butter cassia

Senna didymobotrya

Rubber vine | Cryptostegia grandiflora

Rubber vine

Cryptostegia grandiflora

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Environmental Programmes

In order to tackle our country’s socio-economic challenges, the government adopted the Outcomes based approach to improve government performance and providing focus on service delivery. find out more

Crawshay’s waterbuck

Kobus ellipsiprymnus

Common name:

Crawshay’s waterbuck

Scientific name:

Kobus ellipsiprymnus

Alternative common names:

Crawshay's defassa waterbuck, waterbok (Afrikaans), Iphiya (Zulu), Phitlwa (Sotho), Isidumuka (Ndelebele).

This waterbuck is a large antelope found widely in sub-Saharan Africa. It is a ruminant, feeding almost exclusively on grass and forbs. Crawshay's waterbuck is susceptible to ulcers, lungworm infection and kidney stones. Other diseases from which this animal suffers are foot-and-mouth disease, sindbis fever, yellow fever, bluetongue, bovine virus diarrhoea, brucellosis and anthrax.

Additional Info

  • Where does this species come from?

    South-east Africa (including countries such as Angola, Botswana, Democratic Republic of Congo, Ethiopia, Kenya, Namibia, South Africa, Tanzania and Uganda).

    What is its invasive status in South Africa?

    NEMBA Category 2.

    Where in South Africa is it a problem?

    Mpumalanga, Limpopo, KwaZulu-Natal and Eastern Cape.

    How does it spread?

    Waterbuck spread when hunted for sport and by other predators.

    Why is it a problem?

    In competition with cattle for grazing.

    What does it look like?

    Description: Waterbuck have a head-body length of 180-220cm, they weigh 150-250kg, with males 25% larger than females. They stand 100-130cm at the shoulder. They have a coarse reddish brown fur with white around the muzzle and eyes, a white band around the neck and a distinctive white ring around the rump. Only males have long, forward-curved horns that are 55-100cm long. Habitat: Savannah, scrub and woodland within a few kilometres of water, it is always within reach of permanent water. Breeding: Males become sexually mature at the age of six years; females reach maturity within two to three years. Females may conceive by the age of two-and-a-half years, and remain reproductive for another 10 years. In equatorial regions, breeding takes place throughout the year, and births are at their peak in the rainy season.

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General News Updates

2019 National Symposium on Biological Invasio…

26-02-2019

This is your invitation to South Africa's 2019 National Symposium on Biological Invasions. The convention is hosted by the Centre for Invasion Biology (CIB), University of Stellenbosch, and the Biolo... Read more

2019 Invasive Species Training

22-01-2019

During the past five years (2014-2018), ISSA invasive species trainers have trained 4 000 in the identification of invasive species and laws pertaining to invasive species across South Africa.  ... Read more

Alien Grass Working Group

04-09-2018

Who are we? The South African National Alien Grass Working Group was jointly initiated by the South African Biodiversity Institute (SANBI) and the Centre for Excellence in Invasion Biology (C·I·B) in... Read more

Permits for planting indigenous Cynodon?

01-03-2018

On 16 February, 2018, South Africa's Department of Environmental Affairs issued amendments to the regulations and lists relating to the National List of Invasive Species.  Updates to the draft&n... Read more

Invasive species training 2018 dates released

28-02-2018

Interested in invasive species?  How much do you know about NEMBA invasive species compliance for landowners and organs of state? The South African Green Industries Council (SAGIC) have released... Read more

Communications post for Africa advertised

25-01-2018

The Nature Conservancy has advertised a brand new post:  Communications Manager, Africa Region. Knowledge of invasive species and water would be an asset in this post. See details below:    Job Titl... Read more