Snake Identifier
Green Bush Snake (Philothamnus hoplogaster)
Green Water Snake (Philothamnus hoplogaster) (51681847200) by Bernard DUPONT from FRANCE, via Wikimedia Commons, licensed under CC BY-SA 2.0
Colubrids

Green Bush Snake

Philothamnus hoplogaster

A slender, bright green, non-venomous African tree snake frequently seen in gardens and hedges, harmless to humans.

Venomous?
Non-venomous
Adult length
0.5-0.9 m (1.6-3 ft)
Range
Sub-Saharan Africa

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Overview

The Green Bush Snake belongs to the genus Philothamnus, a group of slender, fast-moving arboreal colubrids widespread across sub-Saharan Africa. It is one of the most commonly encountered snakes in suburban gardens due to its bright coloration and tolerance of human-altered environments.

This species is harmless to humans, being non-venomous and generally unwilling to bite even when handled. It is a beneficial predator of small vertebrates and invertebrates around homes and gardens.

How to identify it

  • Slim, elongated body with smooth (not keeled) scales giving a glossy sheen
  • Bright to olive green dorsal coloration, sometimes with a bluish tinge between scales
  • Pale yellow or white underside
  • Large eyes with round pupils
  • Narrow head barely distinct from the neck

Differentiated from venomous green mambas by its much smaller size, slimmer build, and lack of a coffin-shaped head.

Habitat & range

Found in forest edges, savanna woodland, gardens, hedgerows, and riverine vegetation across much of sub-Saharan Africa, from West Africa through Central Africa into parts of East and southern Africa. Highly arboreal, often seen moving through shrubs and low trees.

Behavior, diet & reproduction

Diurnal and highly alert, moving quickly through vegetation and diving into cover when disturbed. When cornered it may flatten its neck slightly but rarely bites.

Feeds mainly on frogs, geckos, and other small lizards, actively foraging through foliage. Reproduction is oviparous, with clutches of roughly 4-10 eggs laid in moist, sheltered sites.

Frequently asked questions

Is the Green Bush Snake venomous?

No, it is completely non-venomous and harmless to humans.

How big does the Green Bush Snake get?

It typically reaches 0.5-0.9 m (1.6-3 ft) in length.

Is it dangerous to have in a garden?

No, it is considered beneficial, feeding on small pests such as geckos and frogs, and poses no threat to people.

How can it be told apart from a green mamba?

It is much smaller and slimmer, with a narrow head, unlike the mamba's larger size and distinct coffin-shaped head.