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Viperidae

Southern Adder

Venomous

Bitis armata

Southern Adder
Bitis armata, © Marius Burger
Southern Adder

2 photographs of the Southern Adder. © Marius Burger.

The Southern Adder (Bitis armata) is a venomous snake in the Viperidae family, recorded in 1 country.

If you are bitten

This is a venomous snake. Treat any bite as a medical emergency: stay calm, keep the bitten limb still and roughly level with the heart, remove rings and tight clothing, and get to emergency care immediately. Do not apply a tourniquet, cut the wound, apply ice, or try to suck out venom. Call your local emergency number or poison center.

Family
Viperidae
Danger
high

About the Southern Adder

The southern adder (Bitis armata) is an endangered species of venomous snake in the family Viperidae. It is endemic to the Western Cape in South Africa.

Description

The southern adder averages 20 cm in length (with a maximum length of 40 cm). It has two white bands beneath and between the eye. It has horned tufts above the eyes. The southern adder is greyish-brown in colour, with dark brown patterning down the centre.

Distribution

The southern adder is found in three separate subpopulations on the southwestern coastal margins of the Western Cape. Previously, a fourth subpopulation in Cape Town is thought to be locally extinct. The northern subpopulation is found from West Coast National Park to approximately 20 km north of Cape Town. The southeastern subpopulation is found near Hermanus and near De Hoop Nature Reserve.

Habitat and Ecology

The southern adder is found near limestone rock in Fynbos vegetation.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Southern Adder

Is the Southern Adder venomous?
Yes. The Southern Adder (Bitis armata) is venomous and belongs to the Viperidae family (viper). Its bite is considered high risk to people. Treat any bite as a medical emergency.
Is the Southern Adder poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Southern Adder is venomous, delivering venom through a bite.
Is the Southern Adder dangerous?
This is a venomous snake. Treat any bite as a medical emergency: stay calm, keep the bitten limb still and roughly level with the heart, remove rings and tight clothing, and get to emergency care immediately. Do not apply a tourniquet, cut the wound, apply ice, or try to suck out venom. Call your local emergency number or poison center.
Where does the Southern Adder live?
The Southern Adder has verified records in 1 country, including South Africa. See the distribution section below for its full range.

If you are bitten by the Southern Adder

A venomous snakebite is a medical emergency. Call your local emergency number immediately. In the US, dial 911 or Poison Control at 1-800-222-1222.

Do

  • Get away from the snake and stay calm. Most bites worsen when people panic or try again to handle the snake.
  • Call 911 or Poison Control (1-800-222-1222) right away. Antivenom works best when given early.
  • Note the time of the bite and, from a safe distance, the snake's color and pattern, a phone photo is enough. Do not chase it.
  • Keep the bitten limb still and at roughly heart level. Sit or lie down and limit movement.
  • Remove rings, watches, and tight clothing near the bite before swelling starts.
  • Gently wash the bite with soap and water and cover it with a clean, dry dressing.

Do not

  • Do not cut the wound or try to suck out the venom.
  • Do not apply a tourniquet or ice.
  • Do not drink alcohol or caffeine.
  • Do not take aspirin or ibuprofen, they can worsen bleeding. Acetaminophen is safer for pain.
  • Do not try to catch or kill the snake. A dead snake can still bite by reflex.

First-aid guidance adapted from the U.S. Centers for Disease Control and Prevention (CDC NIOSH), Venomous Snakes. Educational only; always follow the instructions of emergency responders.

Where it is found

More Viperidae snakes

Classification

How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.

OrderThe broad group of scaled reptiles: all snakes and lizards
Squamata
FamilyA group of related snakes that share key traits
Viperidae
GenusA close-knit group of very similar species
Bitis
SpeciesThis exact snake, named in the two-part scientific name
Bitis armata

Keep learning

Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.