Chilorhinophis butleri

Chilorhinophis butleri, also known commonly as Butler's black-and-yellow burrowing snake and Butler's two-headed snake, is a species of mildly venomous snake in the family Atractaspididae. The species is endemic to East Africa.

Geographic range
C. butleri is found in Mozambique, South Sudan, and Tanzania.

Etymology
The specific name, butleri, is in honor of English zoologist Arthur Lennox Butler (1873–1939), who was the son of Edward Arthur Butler.

Habitat
The preferred natural habitat of C. butleri is savanna, at altitudes around 400 m.

Behavior
C. butleri burrows in soft, sandy soils and leaf litter.

Diet
C. butleri is known to prey upon amphisbaenians, and it may also eat snakes.

Reproduction
C. butleri is oviparous.