Why Snake Encounters Are Increasing in Urban SA
South Africa is home to over 170 snake species, of which approximately 14 are considered dangerously venomous to humans. As urban development continues to encroach on natural habitat in Gauteng, the Western Cape, KwaZulu-Natal, and Limpopo, snakes are increasingly encountered in residential gardens, schools, and commercial properties. This is not because snake populations are growing — it is because we are building into their territory. Understanding snake behaviour, making your property less attractive to them, and knowing what to do during an encounter are essential life skills for South African homeowners.
Common Snakes Found in SA Gardens
- ✓ Mozambique Spitting Cobra (Naja mossambica): common in Limpopo, Mpumalanga, and KZN; spits venom accurately up to 2.5m; causes severe eye damage and tissue necrosis.
- ✓ Puff Adder (Bitis arietans): the most common cause of serious snakebite in SA; slow-moving and perfectly camouflaged; frequently trodden on.
- ✓ Boomslang (Dispholidus typus): extremely venomous (haemotoxic); often found in trees and shrubs; shy and rarely bites.
- ✓ Black Mamba (Dendroaspis polylepis): not typically found in urban gardens but increasingly encountered at the urban-bush interface in Limpopo and KZN.
- ✓ Brown House Snake (Boaedon capensis): completely harmless; extremely beneficial — feeds on rats and mice; frequently mistaken for a cobra.
- ✓ Spotted Bush Snake: harmless, bright green; very common in gardens with trees or shrubs.
What Attracts Snakes to Your Garden
- ✓ Rodent activity — rats and mice are the primary food source for most SA garden snakes; controlling rodents reduces snake attraction significantly.
- ✓ Rock piles, wood stacks, building rubble, and compost heaps — perfect shelter and hunting ground.
- ✓ Dense ground cover, overgrown grass, and heavily mulched garden beds.
- ✓ Bird baths, ponds, or any standing water — attracts frogs, which attract snakes.
- ✓ Gaps under paving, retaining walls, and building foundations — used as permanent den sites.
- ✓ Chicken coops and bird aviaries — a consistent and easily accessible food source.
How to Make Your Garden Less Attractive to Snakes
- ✓ Keep grass short and garden beds tidy — remove dense ground cover near the house.
- ✓ Stack wood, building materials, and compost well away from the house and off the ground.
- ✓ Seal gaps under gates, in walls, and around pipes at ground level.
- ✓ Control rodents professionally — removing the food source is the single most effective snake deterrent.
- ✓ Keep bird feed in suspended feeders and clean up spilled seed immediately.
- ✓ Remove water sources close to the house where possible.
- ✓ Consider a fine-mesh perimeter fence — while not foolproof, it significantly reduces snake entry.
What to Do if You Find a Snake in Your Garden
Stay calm and keep your distance — at least 3 metres. Most snakebites occur when people try to catch, kill, or drive away a snake. Do not attempt to identify the species by getting closer. Keep children and pets indoors. Do not corner the snake — a cornered snake will defend itself. Most garden snakes will move away if given space and time. If the snake is inside your home, in a high-traffic area, or posing an immediate danger, call a professional snake catcher. Never attempt to handle a snake yourself unless you are trained.
In Case of Snakebite: What to Do
- ✓ Keep the victim calm and still — movement accelerates venom circulation.
- ✓ Immobilise the bitten limb below heart level.
- ✓ Remove watches, rings, and tight clothing from the affected limb.
- ✓ Get to the nearest hospital or trauma unit immediately — do not wait for symptoms to develop.
- ✓ Do not cut, suck, apply tourniquet, apply ice, or use any traditional remedies — all are harmful.
- ✓ Try to note the snake's appearance (do not attempt to catch or photograph it at risk to yourself) — this helps with antivenin selection.
- ✓ Call Poison Control: 0861 555 777 (South Africa) for advice en route to hospital.
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