Average length is about 60cm . The colour of the snake generally matches the sand surface in the region an individual occurs, varying between pink and yellow, with regular blotching on the back and heavily keeled scales. The most remarkable features are the long horns over the eye that allow sand to accumulate while keeping the eye velar of cover as the snake waits in ambush.
Through much of North Africa and well into the
desert horned snakes avoids the extremes of desert temperatures by burying itself along the length of its body with rhythmic muscle contractions, then waits for suitable prey to pass by.
Venomous, feeding on desert rodents and lizards.
Lays a clutch of eggs in disused burrow or under stones.
Average lengths is 80-90cm.
Forests and oil plam plantations where it is particularly common. A perfectly camouflaged “sit and wait” hunter that lies motionless even when approached. Very dangerous to “rubber tappers” if they work without shoes.
Rodents, frogs and reptiles.
After laying 13 to 30 eggs, the female coils around them until they hatch about 40 days later. It is unusual for vipers to show maternal care like this.
Usually up to 65cm but occasionally up to 90cm . The ground colour is most commonly grey but may be reddish brown, yellow, olive or greenish. It is most easily distinguished by the dark zigzag pattern running down the back and by the dark V or X shaped mark on the head.
Most to Europe (absent from
Arctic Circle, east to the northern Pacific coast of
Very varied, moors woodland, marshy meadows; it is even a capable swimmer.
Venomous. It eats small mammals and lizards.
Live-bearing; litters vary between 4-12 according to the size of the female.