Snake Identifier
Common Puff Adder (Bitis arietans)
120402-F-NI989-096 (Marrakech) by USAFE AFAFRICA from Ramstein Air Base, Germany, via Wikimedia Commons, licensed under CC BY 2.0
Vipers

Common Puff Adder

Bitis arietans

A widespread and heavy-bodied African viper, abundant and well camouflaged.

Adult length
0.8-1.4 m (2.6-4.6 ft)
Range
Sub-Saharan Africa and parts of the Arabian Peninsula

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Overview

The Common Puff Adder is one of Africa's most widely distributed snakes. Its thick body and excellent camouflage allow it to remain motionless and unnoticed, even in populated areas.

When disturbed, it inflates its body and hisses loudly, giving rise to its common name. It is a slow-moving but capable ambush predator.

How to identify it

  • Thick, heavy body with chevron-shaped dark markings on a pale to yellowish-brown background
  • Broad, flattened, triangular head
  • Vertically elliptical pupils
  • Rough, strongly keeled scales
  • Loud hissing display when threatened

Habitat & range

Occupies a wide range of habitats including savanna, grassland, semi-desert, and forest edges throughout sub-Saharan Africa.

Behavior, diet & reproduction

Primarily nocturnal but may bask by day. Relies on camouflage and ambush to catch rodents, birds, and other small vertebrates. Gives birth to live young in large litters.

Frequently asked questions

How does it defend itself?

It inflates its body and produces a loud hiss as a warning before striking.

What does it eat?

It preys on rodents, birds, and other small animals using ambush tactics.

Where does it live?

It is found across a wide range of habitats throughout sub-Saharan Africa.