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Colubridae

Black Tree Snake

Harmless

Thrasops jacksonii

Black Tree Snake
Thrasops jacksonii, © Marius Burger
Black Tree Snake

2 photographs of the Black Tree Snake. © Marius Burger.

The Black Tree Snake (Thrasops jacksonii) is a non-venomous snake in the Colubridae family, recorded in 16 countries.

Family
Colubridae

About the Black Tree Snake

Thrasops jacksonii, known commonly as the black tree snake or Jackson's black tree snake, is a species of primarily arboreal and diurnal snake in the subfamily Colubrinae of the family Colubridae. The species is native to Central Africa, and has been discovered to possess a hemorrhagic venom, which it delivers to prey through moderately-sized fangs.

Geographic range

T. jacksonii is found in Angola, Burundi, Cameroon, Central African Republic, Democratic Republic of the Congo, Gabon, Kenya, the Republic of the Congo, Rwanda, South Sudan, Tanzania, Uganda and Zambia.

Habitat

The preferred natural habitats of T. jacksonii are forest and savanna, at altitudes of 549–2,400 m (1,801–7,874 ft).

Description

T. jacksonii may attain a total length (including tail) of about 2.0 m (6.6 ft).

Behavior

T. jacksonii is diurnal and arboreal, and has been found as high as 30 m (98 ft) in the canopy.

Diet

A generalist, T. jacksonii preys upon frogs, arboreal lizards, birds and their eggs, and mammals.

Reproduction

T. jacksonii is oviparous. Clutch size is 7–12 eggs.

Etymology

The specific name, jacksonii, is in honor of English ornithologist Frederick John Jackson.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Black Tree Snake

Is the Black Tree Snake venomous?
No. The Black Tree Snake (Thrasops jacksonii) is non-venomous and is not considered dangerous to humans. Like most snakes, it will retreat rather than bite when given the chance.
Is the Black Tree Snake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Black Tree Snake is neither poisonous nor venomous.
Is the Black Tree Snake dangerous?
The Black Tree Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Black Tree Snake live?
The Black Tree Snake has verified records in 16 countries, including Congo, Democratic Republic of the, Kenya, Uganda. See the distribution section below for its full range.
What does the Black Tree Snake eat?
A generalist, T. jacksonii preys upon frogs, arboreal lizards, birds and their eggs, and mammals.
Why is it called the Black Tree Snake?
The specific name, jacksonii, is in honor of English ornithologist Frederick John Jackson.

Where it is found

More Colubridae 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
Colubridae
GenusA close-knit group of very similar species
Thrasops
SpeciesThis exact snake, named in the two-part scientific name
Thrasops jacksonii

Keep learning

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